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    sentences

    {"project":"sentences","denotations":[{"id":"TextSentencer_T1","span":{"begin":0,"end":141},"obj":"Sentence"},{"id":"TextSentencer_T2","span":{"begin":142,"end":274},"obj":"Sentence"},{"id":"TextSentencer_T3","span":{"begin":275,"end":381},"obj":"Sentence"},{"id":"TextSentencer_T4","span":{"begin":382,"end":487},"obj":"Sentence"},{"id":"TextSentencer_T5","span":{"begin":488,"end":643},"obj":"Sentence"},{"id":"TextSentencer_T6","span":{"begin":644,"end":799},"obj":"Sentence"},{"id":"TextSentencer_T7","span":{"begin":800,"end":985},"obj":"Sentence"},{"id":"TextSentencer_T8","span":{"begin":986,"end":1102},"obj":"Sentence"},{"id":"TextSentencer_T9","span":{"begin":1103,"end":1276},"obj":"Sentence"},{"id":"TextSentencer_T10","span":{"begin":1277,"end":1574},"obj":"Sentence"},{"id":"TextSentencer_T11","span":{"begin":1575,"end":1706},"obj":"Sentence"},{"id":"TextSentencer_T12","span":{"begin":1707,"end":2049},"obj":"Sentence"},{"id":"T1","span":{"begin":0,"end":141},"obj":"Sentence"},{"id":"T2","span":{"begin":142,"end":274},"obj":"Sentence"},{"id":"T3","span":{"begin":275,"end":381},"obj":"Sentence"},{"id":"T4","span":{"begin":382,"end":487},"obj":"Sentence"},{"id":"T5","span":{"begin":488,"end":643},"obj":"Sentence"},{"id":"T6","span":{"begin":644,"end":799},"obj":"Sentence"},{"id":"T7","span":{"begin":800,"end":985},"obj":"Sentence"},{"id":"T8","span":{"begin":986,"end":1102},"obj":"Sentence"},{"id":"T9","span":{"begin":1103,"end":1276},"obj":"Sentence"},{"id":"T10","span":{"begin":1277,"end":1574},"obj":"Sentence"},{"id":"T11","span":{"begin":1575,"end":1706},"obj":"Sentence"},{"id":"T12","span":{"begin":1707,"end":2049},"obj":"Sentence"},{"id":"T1","span":{"begin":0,"end":141},"obj":"Sentence"},{"id":"T2","span":{"begin":142,"end":274},"obj":"Sentence"},{"id":"T3","span":{"begin":275,"end":381},"obj":"Sentence"},{"id":"T4","span":{"begin":382,"end":487},"obj":"Sentence"},{"id":"T5","span":{"begin":488,"end":643},"obj":"Sentence"},{"id":"T6","span":{"begin":644,"end":799},"obj":"Sentence"},{"id":"T7","span":{"begin":800,"end":985},"obj":"Sentence"},{"id":"T8","span":{"begin":986,"end":1102},"obj":"Sentence"},{"id":"T9","span":{"begin":1103,"end":1276},"obj":"Sentence"},{"id":"T10","span":{"begin":1277,"end":1574},"obj":"Sentence"},{"id":"T11","span":{"begin":1575,"end":1706},"obj":"Sentence"},{"id":"T12","span":{"begin":1707,"end":2049},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"The alpha- and beta-subunits are required for expression of catalytic activity in the hetero-dimeric glucosidase II complex from human liver.\nThe alpha- and beta-subunits of the hetero-dimeric glucosidase II complex from human liver were cloned and expressed in COS-1 cells. The 4106 bp full-length cDNA for the alpha-subunit contained a 2835 bp ORF encoding a 107 kDa polypeptide. The 2095 bp cDNA for the beta-subunit encodes a approximately 60 kDa protein in a continuous 1605 bp ORF. The alpha- and beta-subunits each contain two potential Asn-Xaa-Thr/Ser acceptor sites, with only one site in the alpha-subunit (Asn97) being glycosylated. Additional lambda-clones were isolated for each subunit containing in-frame insertions/deletions within the coding region, indicating alternative splicing. Analysis of different human tissues revealed approximately 4.4 kb and approximately 2.4 kb transcripts for alpha- and beta-subunit, respectively, consistent with their full-length cDNA. Coexpression of the alpha- and beta-subunits in COS-1 cells resulted in \u003e4-fold increase of glucosidase II activity. An inactive protein was obtained, however, after transfection with the alpha-subunit alone, showing that both subunits are essential for expression of active glucosidase II. The observation that the enzyme, previously purified from pig liver and lacking the beta-subunit, was catalytically active indicates that the beta-subunit is involved in alpha-subunit maturation rather than being required for enzymatic activity once the alpha-subunit has acquired its mature form. The alpha-subunit is expressed in COS-1 cells as an ER-located protein, whether inactive or part of a catalytically active complex. This suggests that ER-localization of the alpha-subunit, when associated with the dimeric enzyme complex, is mediated by the C-terminal HDEL-signal in the beta-subunit, whereas the apparently incompletely folded form of the inactive alpha-subunit could be retained in the ER by the putative \"glycoprotein-specific quality control machinery. \""}

    Glycosmos6-MAT

    {"project":"Glycosmos6-MAT","denotations":[{"id":"T1","span":{"begin":135,"end":140},"obj":"http://purl.obolibrary.org/obo/MAT_0000097"},{"id":"T2","span":{"begin":227,"end":232},"obj":"http://purl.obolibrary.org/obo/MAT_0000097"},{"id":"T3","span":{"begin":1339,"end":1344},"obj":"http://purl.obolibrary.org/obo/MAT_0000097"}],"text":"The alpha- and beta-subunits are required for expression of catalytic activity in the hetero-dimeric glucosidase II complex from human liver.\nThe alpha- and beta-subunits of the hetero-dimeric glucosidase II complex from human liver were cloned and expressed in COS-1 cells. The 4106 bp full-length cDNA for the alpha-subunit contained a 2835 bp ORF encoding a 107 kDa polypeptide. The 2095 bp cDNA for the beta-subunit encodes a approximately 60 kDa protein in a continuous 1605 bp ORF. The alpha- and beta-subunits each contain two potential Asn-Xaa-Thr/Ser acceptor sites, with only one site in the alpha-subunit (Asn97) being glycosylated. Additional lambda-clones were isolated for each subunit containing in-frame insertions/deletions within the coding region, indicating alternative splicing. Analysis of different human tissues revealed approximately 4.4 kb and approximately 2.4 kb transcripts for alpha- and beta-subunit, respectively, consistent with their full-length cDNA. Coexpression of the alpha- and beta-subunits in COS-1 cells resulted in \u003e4-fold increase of glucosidase II activity. An inactive protein was obtained, however, after transfection with the alpha-subunit alone, showing that both subunits are essential for expression of active glucosidase II. The observation that the enzyme, previously purified from pig liver and lacking the beta-subunit, was catalytically active indicates that the beta-subunit is involved in alpha-subunit maturation rather than being required for enzymatic activity once the alpha-subunit has acquired its mature form. The alpha-subunit is expressed in COS-1 cells as an ER-located protein, whether inactive or part of a catalytically active complex. This suggests that ER-localization of the alpha-subunit, when associated with the dimeric enzyme complex, is mediated by the C-terminal HDEL-signal in the beta-subunit, whereas the apparently incompletely folded form of the inactive alpha-subunit could be retained in the ER by the putative \"glycoprotein-specific quality control machinery. \""}

    GlycoBiology-FMA

    {"project":"GlycoBiology-FMA","denotations":[{"id":"_T1","span":{"begin":135,"end":140},"obj":"FMAID:7197"},{"id":"_T2","span":{"begin":135,"end":140},"obj":"FMAID:93672"},{"id":"_T3","span":{"begin":227,"end":232},"obj":"FMAID:7197"},{"id":"_T4","span":{"begin":227,"end":232},"obj":"FMAID:93672"},{"id":"_T5","span":{"begin":268,"end":273},"obj":"FMAID:68646"},{"id":"_T6","span":{"begin":268,"end":273},"obj":"FMAID:169002"},{"id":"_T7","span":{"begin":451,"end":458},"obj":"FMAID:67257"},{"id":"_T8","span":{"begin":451,"end":458},"obj":"FMAID:165447"},{"id":"_T9","span":{"begin":655,"end":661},"obj":"FMAID:264773"},{"id":"_T10","span":{"begin":655,"end":661},"obj":"FMAID:242025"},{"id":"_T11","span":{"begin":828,"end":835},"obj":"FMAID:256050"},{"id":"_T12","span":{"begin":1040,"end":1045},"obj":"FMAID:169002"},{"id":"_T13","span":{"begin":1040,"end":1045},"obj":"FMAID:68646"},{"id":"_T14","span":{"begin":1115,"end":1122},"obj":"FMAID:165447"},{"id":"_T15","span":{"begin":1115,"end":1122},"obj":"FMAID:67257"},{"id":"_T16","span":{"begin":1339,"end":1344},"obj":"FMAID:93672"},{"id":"_T17","span":{"begin":1339,"end":1344},"obj":"FMAID:7197"},{"id":"_T18","span":{"begin":1615,"end":1620},"obj":"FMAID:68646"},{"id":"_T19","span":{"begin":1615,"end":1620},"obj":"FMAID:169002"},{"id":"_T20","span":{"begin":1638,"end":1645},"obj":"FMAID:165447"},{"id":"_T21","span":{"begin":1638,"end":1645},"obj":"FMAID:67257"},{"id":"_T22","span":{"begin":1999,"end":2011},"obj":"FMAID:167256"},{"id":"_T23","span":{"begin":1999,"end":2011},"obj":"FMAID:62925"}],"namespaces":[{"prefix":"FMAID","uri":"http://purl.org/sig/ont/fma/fma"}],"text":"The alpha- and beta-subunits are required for expression of catalytic activity in the hetero-dimeric glucosidase II complex from human liver.\nThe alpha- and beta-subunits of the hetero-dimeric glucosidase II complex from human liver were cloned and expressed in COS-1 cells. The 4106 bp full-length cDNA for the alpha-subunit contained a 2835 bp ORF encoding a 107 kDa polypeptide. The 2095 bp cDNA for the beta-subunit encodes a approximately 60 kDa protein in a continuous 1605 bp ORF. The alpha- and beta-subunits each contain two potential Asn-Xaa-Thr/Ser acceptor sites, with only one site in the alpha-subunit (Asn97) being glycosylated. Additional lambda-clones were isolated for each subunit containing in-frame insertions/deletions within the coding region, indicating alternative splicing. Analysis of different human tissues revealed approximately 4.4 kb and approximately 2.4 kb transcripts for alpha- and beta-subunit, respectively, consistent with their full-length cDNA. Coexpression of the alpha- and beta-subunits in COS-1 cells resulted in \u003e4-fold increase of glucosidase II activity. An inactive protein was obtained, however, after transfection with the alpha-subunit alone, showing that both subunits are essential for expression of active glucosidase II. The observation that the enzyme, previously purified from pig liver and lacking the beta-subunit, was catalytically active indicates that the beta-subunit is involved in alpha-subunit maturation rather than being required for enzymatic activity once the alpha-subunit has acquired its mature form. The alpha-subunit is expressed in COS-1 cells as an ER-located protein, whether inactive or part of a catalytically active complex. This suggests that ER-localization of the alpha-subunit, when associated with the dimeric enzyme complex, is mediated by the C-terminal HDEL-signal in the beta-subunit, whereas the apparently incompletely folded form of the inactive alpha-subunit could be retained in the ER by the putative \"glycoprotein-specific quality control machinery. \""}

    uniprot-human

    {"project":"uniprot-human","denotations":[{"id":"T1","span":{"begin":444,"end":458},"obj":"http://www.uniprot.org/uniprot/Q9H1W6"},{"id":"T2","span":{"begin":907,"end":930},"obj":"http://www.uniprot.org/uniprot/P06865"},{"id":"T3","span":{"begin":1627,"end":1629},"obj":"http://www.uniprot.org/uniprot/P03372"},{"id":"T4","span":{"begin":1726,"end":1728},"obj":"http://www.uniprot.org/uniprot/P03372"},{"id":"T5","span":{"begin":1979,"end":1981},"obj":"http://www.uniprot.org/uniprot/P03372"}],"text":"The alpha- and beta-subunits are required for expression of catalytic activity in the hetero-dimeric glucosidase II complex from human liver.\nThe alpha- and beta-subunits of the hetero-dimeric glucosidase II complex from human liver were cloned and expressed in COS-1 cells. The 4106 bp full-length cDNA for the alpha-subunit contained a 2835 bp ORF encoding a 107 kDa polypeptide. The 2095 bp cDNA for the beta-subunit encodes a approximately 60 kDa protein in a continuous 1605 bp ORF. The alpha- and beta-subunits each contain two potential Asn-Xaa-Thr/Ser acceptor sites, with only one site in the alpha-subunit (Asn97) being glycosylated. Additional lambda-clones were isolated for each subunit containing in-frame insertions/deletions within the coding region, indicating alternative splicing. Analysis of different human tissues revealed approximately 4.4 kb and approximately 2.4 kb transcripts for alpha- and beta-subunit, respectively, consistent with their full-length cDNA. Coexpression of the alpha- and beta-subunits in COS-1 cells resulted in \u003e4-fold increase of glucosidase II activity. An inactive protein was obtained, however, after transfection with the alpha-subunit alone, showing that both subunits are essential for expression of active glucosidase II. The observation that the enzyme, previously purified from pig liver and lacking the beta-subunit, was catalytically active indicates that the beta-subunit is involved in alpha-subunit maturation rather than being required for enzymatic activity once the alpha-subunit has acquired its mature form. The alpha-subunit is expressed in COS-1 cells as an ER-located protein, whether inactive or part of a catalytically active complex. This suggests that ER-localization of the alpha-subunit, when associated with the dimeric enzyme complex, is mediated by the C-terminal HDEL-signal in the beta-subunit, whereas the apparently incompletely folded form of the inactive alpha-subunit could be retained in the ER by the putative \"glycoprotein-specific quality control machinery. \""}

    uniprot-mouse

    {"project":"uniprot-mouse","denotations":[{"id":"T1","span":{"begin":544,"end":547},"obj":"http://www.uniprot.org/uniprot/Q61024"},{"id":"T2","span":{"begin":1627,"end":1629},"obj":"http://www.uniprot.org/uniprot/P19785"},{"id":"T3","span":{"begin":1726,"end":1728},"obj":"http://www.uniprot.org/uniprot/P19785"},{"id":"T4","span":{"begin":1979,"end":1981},"obj":"http://www.uniprot.org/uniprot/P19785"}],"text":"The alpha- and beta-subunits are required for expression of catalytic activity in the hetero-dimeric glucosidase II complex from human liver.\nThe alpha- and beta-subunits of the hetero-dimeric glucosidase II complex from human liver were cloned and expressed in COS-1 cells. The 4106 bp full-length cDNA for the alpha-subunit contained a 2835 bp ORF encoding a 107 kDa polypeptide. The 2095 bp cDNA for the beta-subunit encodes a approximately 60 kDa protein in a continuous 1605 bp ORF. The alpha- and beta-subunits each contain two potential Asn-Xaa-Thr/Ser acceptor sites, with only one site in the alpha-subunit (Asn97) being glycosylated. Additional lambda-clones were isolated for each subunit containing in-frame insertions/deletions within the coding region, indicating alternative splicing. Analysis of different human tissues revealed approximately 4.4 kb and approximately 2.4 kb transcripts for alpha- and beta-subunit, respectively, consistent with their full-length cDNA. Coexpression of the alpha- and beta-subunits in COS-1 cells resulted in \u003e4-fold increase of glucosidase II activity. An inactive protein was obtained, however, after transfection with the alpha-subunit alone, showing that both subunits are essential for expression of active glucosidase II. The observation that the enzyme, previously purified from pig liver and lacking the beta-subunit, was catalytically active indicates that the beta-subunit is involved in alpha-subunit maturation rather than being required for enzymatic activity once the alpha-subunit has acquired its mature form. The alpha-subunit is expressed in COS-1 cells as an ER-located protein, whether inactive or part of a catalytically active complex. This suggests that ER-localization of the alpha-subunit, when associated with the dimeric enzyme complex, is mediated by the C-terminal HDEL-signal in the beta-subunit, whereas the apparently incompletely folded form of the inactive alpha-subunit could be retained in the ER by the putative \"glycoprotein-specific quality control machinery. \""}

    GlycoBiology-NCBITAXON

    {"project":"GlycoBiology-NCBITAXON","denotations":[{"id":"T1","span":{"begin":15,"end":19},"obj":"http://purl.bioontology.org/ontology/NCBITAXON/3554"},{"id":"T2","span":{"begin":15,"end":19},"obj":"http://purl.bioontology.org/ontology/NCBITAXON/158455"},{"id":"T3","span":{"begin":157,"end":161},"obj":"http://purl.bioontology.org/ontology/NCBITAXON/3554"},{"id":"T4","span":{"begin":157,"end":161},"obj":"http://purl.bioontology.org/ontology/NCBITAXON/158455"},{"id":"T5","span":{"begin":268,"end":273},"obj":"http://purl.bioontology.org/ontology/STY/T025"},{"id":"T6","span":{"begin":407,"end":411},"obj":"http://purl.bioontology.org/ontology/NCBITAXON/3554"},{"id":"T7","span":{"begin":407,"end":411},"obj":"http://purl.bioontology.org/ontology/NCBITAXON/158455"},{"id":"T8","span":{"begin":503,"end":507},"obj":"http://purl.bioontology.org/ontology/NCBITAXON/158455"},{"id":"T9","span":{"begin":503,"end":507},"obj":"http://purl.bioontology.org/ontology/NCBITAXON/3554"},{"id":"T10","span":{"begin":828,"end":835},"obj":"http://purl.bioontology.org/ontology/STY/T024"},{"id":"T11","span":{"begin":918,"end":922},"obj":"http://purl.bioontology.org/ontology/NCBITAXON/158455"},{"id":"T12","span":{"begin":918,"end":922},"obj":"http://purl.bioontology.org/ontology/NCBITAXON/3554"},{"id":"T13","span":{"begin":1017,"end":1021},"obj":"http://purl.bioontology.org/ontology/NCBITAXON/3554"},{"id":"T14","span":{"begin":1017,"end":1021},"obj":"http://purl.bioontology.org/ontology/NCBITAXON/158455"},{"id":"T15","span":{"begin":1040,"end":1045},"obj":"http://purl.bioontology.org/ontology/STY/T025"},{"id":"T16","span":{"begin":1361,"end":1365},"obj":"http://purl.bioontology.org/ontology/NCBITAXON/158455"},{"id":"T17","span":{"begin":1361,"end":1365},"obj":"http://purl.bioontology.org/ontology/NCBITAXON/3554"},{"id":"T18","span":{"begin":1419,"end":1423},"obj":"http://purl.bioontology.org/ontology/NCBITAXON/158455"},{"id":"T19","span":{"begin":1419,"end":1423},"obj":"http://purl.bioontology.org/ontology/NCBITAXON/3554"},{"id":"T20","span":{"begin":1615,"end":1620},"obj":"http://purl.bioontology.org/ontology/STY/T025"},{"id":"T21","span":{"begin":1862,"end":1866},"obj":"http://purl.bioontology.org/ontology/NCBITAXON/158455"},{"id":"T22","span":{"begin":1862,"end":1866},"obj":"http://purl.bioontology.org/ontology/NCBITAXON/3554"}],"text":"The alpha- and beta-subunits are required for expression of catalytic activity in the hetero-dimeric glucosidase II complex from human liver.\nThe alpha- and beta-subunits of the hetero-dimeric glucosidase II complex from human liver were cloned and expressed in COS-1 cells. The 4106 bp full-length cDNA for the alpha-subunit contained a 2835 bp ORF encoding a 107 kDa polypeptide. The 2095 bp cDNA for the beta-subunit encodes a approximately 60 kDa protein in a continuous 1605 bp ORF. The alpha- and beta-subunits each contain two potential Asn-Xaa-Thr/Ser acceptor sites, with only one site in the alpha-subunit (Asn97) being glycosylated. Additional lambda-clones were isolated for each subunit containing in-frame insertions/deletions within the coding region, indicating alternative splicing. Analysis of different human tissues revealed approximately 4.4 kb and approximately 2.4 kb transcripts for alpha- and beta-subunit, respectively, consistent with their full-length cDNA. Coexpression of the alpha- and beta-subunits in COS-1 cells resulted in \u003e4-fold increase of glucosidase II activity. An inactive protein was obtained, however, after transfection with the alpha-subunit alone, showing that both subunits are essential for expression of active glucosidase II. The observation that the enzyme, previously purified from pig liver and lacking the beta-subunit, was catalytically active indicates that the beta-subunit is involved in alpha-subunit maturation rather than being required for enzymatic activity once the alpha-subunit has acquired its mature form. The alpha-subunit is expressed in COS-1 cells as an ER-located protein, whether inactive or part of a catalytically active complex. This suggests that ER-localization of the alpha-subunit, when associated with the dimeric enzyme complex, is mediated by the C-terminal HDEL-signal in the beta-subunit, whereas the apparently incompletely folded form of the inactive alpha-subunit could be retained in the ER by the putative \"glycoprotein-specific quality control machinery. \""}

    GO-BP

    {"project":"GO-BP","denotations":[{"id":"T1","span":{"begin":60,"end":78},"obj":"http://purl.obolibrary.org/obo/GO_0003824"},{"id":"T2","span":{"begin":1379,"end":1399},"obj":"http://purl.obolibrary.org/obo/GO_0003824"},{"id":"T3","span":{"begin":1677,"end":1697},"obj":"http://purl.obolibrary.org/obo/GO_0003824"},{"id":"T4","span":{"begin":113,"end":123},"obj":"http://purl.obolibrary.org/obo/GO_0008177"},{"id":"T5","span":{"begin":205,"end":215},"obj":"http://purl.obolibrary.org/obo/GO_0008177"},{"id":"T6","span":{"begin":630,"end":642},"obj":"http://purl.obolibrary.org/obo/GO_0070085"},{"id":"T7","span":{"begin":790,"end":798},"obj":"http://purl.obolibrary.org/obo/GO_0045292"},{"id":"T8","span":{"begin":891,"end":902},"obj":"http://purl.obolibrary.org/obo/GO_0006351"},{"id":"T9","span":{"begin":1078,"end":1101},"obj":"http://purl.obolibrary.org/obo/GO_0033919"},{"id":"T10","span":{"begin":1254,"end":1275},"obj":"http://purl.obolibrary.org/obo/GO_0033919"},{"id":"T11","span":{"begin":1254,"end":1272},"obj":"http://purl.obolibrary.org/obo/GO_0015926"},{"id":"T12","span":{"begin":1627,"end":1645},"obj":"http://purl.obolibrary.org/obo/GO_0035437"},{"id":"T13","span":{"begin":1726,"end":1741},"obj":"http://purl.obolibrary.org/obo/GO_0051643"},{"id":"T14","span":{"begin":1729,"end":1741},"obj":"http://purl.obolibrary.org/obo/GO_0051179"},{"id":"T15","span":{"begin":1848,"end":1854},"obj":"http://purl.obolibrary.org/obo/GO_0023052"}],"text":"The alpha- and beta-subunits are required for expression of catalytic activity in the hetero-dimeric glucosidase II complex from human liver.\nThe alpha- and beta-subunits of the hetero-dimeric glucosidase II complex from human liver were cloned and expressed in COS-1 cells. The 4106 bp full-length cDNA for the alpha-subunit contained a 2835 bp ORF encoding a 107 kDa polypeptide. The 2095 bp cDNA for the beta-subunit encodes a approximately 60 kDa protein in a continuous 1605 bp ORF. The alpha- and beta-subunits each contain two potential Asn-Xaa-Thr/Ser acceptor sites, with only one site in the alpha-subunit (Asn97) being glycosylated. Additional lambda-clones were isolated for each subunit containing in-frame insertions/deletions within the coding region, indicating alternative splicing. Analysis of different human tissues revealed approximately 4.4 kb and approximately 2.4 kb transcripts for alpha- and beta-subunit, respectively, consistent with their full-length cDNA. Coexpression of the alpha- and beta-subunits in COS-1 cells resulted in \u003e4-fold increase of glucosidase II activity. An inactive protein was obtained, however, after transfection with the alpha-subunit alone, showing that both subunits are essential for expression of active glucosidase II. The observation that the enzyme, previously purified from pig liver and lacking the beta-subunit, was catalytically active indicates that the beta-subunit is involved in alpha-subunit maturation rather than being required for enzymatic activity once the alpha-subunit has acquired its mature form. The alpha-subunit is expressed in COS-1 cells as an ER-located protein, whether inactive or part of a catalytically active complex. This suggests that ER-localization of the alpha-subunit, when associated with the dimeric enzyme complex, is mediated by the C-terminal HDEL-signal in the beta-subunit, whereas the apparently incompletely folded form of the inactive alpha-subunit could be retained in the ER by the putative \"glycoprotein-specific quality control machinery. \""}

    GO-CC

    {"project":"GO-CC","denotations":[{"id":"T1","span":{"begin":101,"end":123},"obj":"http://purl.obolibrary.org/obo/GO_0017177"},{"id":"T2","span":{"begin":193,"end":215},"obj":"http://purl.obolibrary.org/obo/GO_0017177"},{"id":"T3","span":{"begin":268,"end":273},"obj":"http://purl.obolibrary.org/obo/GO_0005623"},{"id":"T4","span":{"begin":1040,"end":1045},"obj":"http://purl.obolibrary.org/obo/GO_0005623"},{"id":"T5","span":{"begin":1615,"end":1620},"obj":"http://purl.obolibrary.org/obo/GO_0005623"},{"id":"T6","span":{"begin":556,"end":559},"obj":"http://purl.obolibrary.org/obo/GO_0005790"},{"id":"T7","span":{"begin":1627,"end":1629},"obj":"http://purl.obolibrary.org/obo/GO_0005783"},{"id":"T8","span":{"begin":1726,"end":1728},"obj":"http://purl.obolibrary.org/obo/GO_0005783"},{"id":"T9","span":{"begin":1979,"end":1981},"obj":"http://purl.obolibrary.org/obo/GO_0005783"},{"id":"T10","span":{"begin":1797,"end":1811},"obj":"http://purl.obolibrary.org/obo/GO_1902494"},{"id":"T11","span":{"begin":1804,"end":1824},"obj":"http://purl.obolibrary.org/obo/GO_0016592"},{"id":"T12","span":{"begin":1804,"end":1833},"obj":"http://purl.obolibrary.org/obo/GO_0070847"}],"text":"The alpha- and beta-subunits are required for expression of catalytic activity in the hetero-dimeric glucosidase II complex from human liver.\nThe alpha- and beta-subunits of the hetero-dimeric glucosidase II complex from human liver were cloned and expressed in COS-1 cells. The 4106 bp full-length cDNA for the alpha-subunit contained a 2835 bp ORF encoding a 107 kDa polypeptide. The 2095 bp cDNA for the beta-subunit encodes a approximately 60 kDa protein in a continuous 1605 bp ORF. The alpha- and beta-subunits each contain two potential Asn-Xaa-Thr/Ser acceptor sites, with only one site in the alpha-subunit (Asn97) being glycosylated. Additional lambda-clones were isolated for each subunit containing in-frame insertions/deletions within the coding region, indicating alternative splicing. Analysis of different human tissues revealed approximately 4.4 kb and approximately 2.4 kb transcripts for alpha- and beta-subunit, respectively, consistent with their full-length cDNA. Coexpression of the alpha- and beta-subunits in COS-1 cells resulted in \u003e4-fold increase of glucosidase II activity. An inactive protein was obtained, however, after transfection with the alpha-subunit alone, showing that both subunits are essential for expression of active glucosidase II. The observation that the enzyme, previously purified from pig liver and lacking the beta-subunit, was catalytically active indicates that the beta-subunit is involved in alpha-subunit maturation rather than being required for enzymatic activity once the alpha-subunit has acquired its mature form. The alpha-subunit is expressed in COS-1 cells as an ER-located protein, whether inactive or part of a catalytically active complex. This suggests that ER-localization of the alpha-subunit, when associated with the dimeric enzyme complex, is mediated by the C-terminal HDEL-signal in the beta-subunit, whereas the apparently incompletely folded form of the inactive alpha-subunit could be retained in the ER by the putative \"glycoprotein-specific quality control machinery. \""}

    UBERON-AE

    {"project":"UBERON-AE","denotations":[{"id":"T1","span":{"begin":135,"end":140},"obj":"http://purl.obolibrary.org/obo/UBERON_0002107"},{"id":"T2","span":{"begin":227,"end":232},"obj":"http://purl.obolibrary.org/obo/UBERON_0002107"},{"id":"T3","span":{"begin":1339,"end":1344},"obj":"http://purl.obolibrary.org/obo/UBERON_0002107"},{"id":"T4","span":{"begin":828,"end":835},"obj":"http://purl.obolibrary.org/obo/UBERON_0000479"}],"text":"The alpha- and beta-subunits are required for expression of catalytic activity in the hetero-dimeric glucosidase II complex from human liver.\nThe alpha- and beta-subunits of the hetero-dimeric glucosidase II complex from human liver were cloned and expressed in COS-1 cells. The 4106 bp full-length cDNA for the alpha-subunit contained a 2835 bp ORF encoding a 107 kDa polypeptide. The 2095 bp cDNA for the beta-subunit encodes a approximately 60 kDa protein in a continuous 1605 bp ORF. The alpha- and beta-subunits each contain two potential Asn-Xaa-Thr/Ser acceptor sites, with only one site in the alpha-subunit (Asn97) being glycosylated. Additional lambda-clones were isolated for each subunit containing in-frame insertions/deletions within the coding region, indicating alternative splicing. Analysis of different human tissues revealed approximately 4.4 kb and approximately 2.4 kb transcripts for alpha- and beta-subunit, respectively, consistent with their full-length cDNA. Coexpression of the alpha- and beta-subunits in COS-1 cells resulted in \u003e4-fold increase of glucosidase II activity. An inactive protein was obtained, however, after transfection with the alpha-subunit alone, showing that both subunits are essential for expression of active glucosidase II. The observation that the enzyme, previously purified from pig liver and lacking the beta-subunit, was catalytically active indicates that the beta-subunit is involved in alpha-subunit maturation rather than being required for enzymatic activity once the alpha-subunit has acquired its mature form. The alpha-subunit is expressed in COS-1 cells as an ER-located protein, whether inactive or part of a catalytically active complex. This suggests that ER-localization of the alpha-subunit, when associated with the dimeric enzyme complex, is mediated by the C-terminal HDEL-signal in the beta-subunit, whereas the apparently incompletely folded form of the inactive alpha-subunit could be retained in the ER by the putative \"glycoprotein-specific quality control machinery. \""}

    EDAM-topics

    {"project":"EDAM-topics","denotations":[{"id":"T1","span":{"begin":129,"end":134},"obj":"http://edamontology.org/topic_2815"},{"id":"T2","span":{"begin":221,"end":226},"obj":"http://edamontology.org/topic_2815"},{"id":"T3","span":{"begin":299,"end":303},"obj":"http://edamontology.org/topic_3512"},{"id":"T4","span":{"begin":394,"end":398},"obj":"http://edamontology.org/topic_3512"},{"id":"T5","span":{"begin":451,"end":458},"obj":"http://edamontology.org/topic_0078"},{"id":"T6","span":{"begin":778,"end":798},"obj":"http://edamontology.org/topic_3320"},{"id":"T7","span":{"begin":822,"end":827},"obj":"http://edamontology.org/topic_2815"},{"id":"T8","span":{"begin":891,"end":902},"obj":"http://edamontology.org/topic_3512"},{"id":"T9","span":{"begin":891,"end":902},"obj":"http://edamontology.org/topic_3308"},{"id":"T10","span":{"begin":891,"end":902},"obj":"http://edamontology.org/topic_0203"},{"id":"T11","span":{"begin":891,"end":902},"obj":"http://edamontology.org/topic_0110"},{"id":"T12","span":{"begin":891,"end":906},"obj":"http://edamontology.org/topic_0749"},{"id":"T13","span":{"begin":980,"end":984},"obj":"http://edamontology.org/topic_3512"},{"id":"T14","span":{"begin":1115,"end":1122},"obj":"http://edamontology.org/topic_0078"},{"id":"T15","span":{"begin":1638,"end":1645},"obj":"http://edamontology.org/topic_0078"},{"id":"T16","span":{"begin":1834,"end":1842},"obj":"http://edamontology.org/topic_0749"}],"text":"The alpha- and beta-subunits are required for expression of catalytic activity in the hetero-dimeric glucosidase II complex from human liver.\nThe alpha- and beta-subunits of the hetero-dimeric glucosidase II complex from human liver were cloned and expressed in COS-1 cells. The 4106 bp full-length cDNA for the alpha-subunit contained a 2835 bp ORF encoding a 107 kDa polypeptide. The 2095 bp cDNA for the beta-subunit encodes a approximately 60 kDa protein in a continuous 1605 bp ORF. The alpha- and beta-subunits each contain two potential Asn-Xaa-Thr/Ser acceptor sites, with only one site in the alpha-subunit (Asn97) being glycosylated. Additional lambda-clones were isolated for each subunit containing in-frame insertions/deletions within the coding region, indicating alternative splicing. Analysis of different human tissues revealed approximately 4.4 kb and approximately 2.4 kb transcripts for alpha- and beta-subunit, respectively, consistent with their full-length cDNA. Coexpression of the alpha- and beta-subunits in COS-1 cells resulted in \u003e4-fold increase of glucosidase II activity. An inactive protein was obtained, however, after transfection with the alpha-subunit alone, showing that both subunits are essential for expression of active glucosidase II. The observation that the enzyme, previously purified from pig liver and lacking the beta-subunit, was catalytically active indicates that the beta-subunit is involved in alpha-subunit maturation rather than being required for enzymatic activity once the alpha-subunit has acquired its mature form. The alpha-subunit is expressed in COS-1 cells as an ER-located protein, whether inactive or part of a catalytically active complex. This suggests that ER-localization of the alpha-subunit, when associated with the dimeric enzyme complex, is mediated by the C-terminal HDEL-signal in the beta-subunit, whereas the apparently incompletely folded form of the inactive alpha-subunit could be retained in the ER by the putative \"glycoprotein-specific quality control machinery. \""}

    EDAM-DFO

    {"project":"EDAM-DFO","denotations":[{"id":"T1","span":{"begin":451,"end":458},"obj":"http://edamontology.org/data_1467"},{"id":"T2","span":{"begin":451,"end":458},"obj":"http://edamontology.org/format_1208"},{"id":"T3","span":{"begin":752,"end":765},"obj":"http://edamontology.org/data_1313"},{"id":"T4","span":{"begin":790,"end":808},"obj":"http://edamontology.org/operation_2499"},{"id":"T5","span":{"begin":800,"end":808},"obj":"http://edamontology.org/operation_2945"},{"id":"T6","span":{"begin":1115,"end":1122},"obj":"http://edamontology.org/format_1208"},{"id":"T7","span":{"begin":1115,"end":1122},"obj":"http://edamontology.org/data_1467"},{"id":"T8","span":{"begin":1638,"end":1645},"obj":"http://edamontology.org/data_1467"},{"id":"T9","span":{"begin":1638,"end":1645},"obj":"http://edamontology.org/format_1208"},{"id":"T10","span":{"begin":2021,"end":2036},"obj":"http://edamontology.org/operation_2428"}],"text":"The alpha- and beta-subunits are required for expression of catalytic activity in the hetero-dimeric glucosidase II complex from human liver.\nThe alpha- and beta-subunits of the hetero-dimeric glucosidase II complex from human liver were cloned and expressed in COS-1 cells. The 4106 bp full-length cDNA for the alpha-subunit contained a 2835 bp ORF encoding a 107 kDa polypeptide. The 2095 bp cDNA for the beta-subunit encodes a approximately 60 kDa protein in a continuous 1605 bp ORF. The alpha- and beta-subunits each contain two potential Asn-Xaa-Thr/Ser acceptor sites, with only one site in the alpha-subunit (Asn97) being glycosylated. Additional lambda-clones were isolated for each subunit containing in-frame insertions/deletions within the coding region, indicating alternative splicing. Analysis of different human tissues revealed approximately 4.4 kb and approximately 2.4 kb transcripts for alpha- and beta-subunit, respectively, consistent with their full-length cDNA. Coexpression of the alpha- and beta-subunits in COS-1 cells resulted in \u003e4-fold increase of glucosidase II activity. An inactive protein was obtained, however, after transfection with the alpha-subunit alone, showing that both subunits are essential for expression of active glucosidase II. The observation that the enzyme, previously purified from pig liver and lacking the beta-subunit, was catalytically active indicates that the beta-subunit is involved in alpha-subunit maturation rather than being required for enzymatic activity once the alpha-subunit has acquired its mature form. The alpha-subunit is expressed in COS-1 cells as an ER-located protein, whether inactive or part of a catalytically active complex. This suggests that ER-localization of the alpha-subunit, when associated with the dimeric enzyme complex, is mediated by the C-terminal HDEL-signal in the beta-subunit, whereas the apparently incompletely folded form of the inactive alpha-subunit could be retained in the ER by the putative \"glycoprotein-specific quality control machinery. \""}

    GlycoBiology-MAT

    {"project":"GlycoBiology-MAT","denotations":[{"id":"T1","span":{"begin":135,"end":140},"obj":"http://purl.obolibrary.org/obo/MAT_0000097"},{"id":"T2","span":{"begin":227,"end":232},"obj":"http://purl.obolibrary.org/obo/MAT_0000097"},{"id":"T3","span":{"begin":1339,"end":1344},"obj":"http://purl.obolibrary.org/obo/MAT_0000097"}],"text":"The alpha- and beta-subunits are required for expression of catalytic activity in the hetero-dimeric glucosidase II complex from human liver.\nThe alpha- and beta-subunits of the hetero-dimeric glucosidase II complex from human liver were cloned and expressed in COS-1 cells. The 4106 bp full-length cDNA for the alpha-subunit contained a 2835 bp ORF encoding a 107 kDa polypeptide. The 2095 bp cDNA for the beta-subunit encodes a approximately 60 kDa protein in a continuous 1605 bp ORF. The alpha- and beta-subunits each contain two potential Asn-Xaa-Thr/Ser acceptor sites, with only one site in the alpha-subunit (Asn97) being glycosylated. Additional lambda-clones were isolated for each subunit containing in-frame insertions/deletions within the coding region, indicating alternative splicing. Analysis of different human tissues revealed approximately 4.4 kb and approximately 2.4 kb transcripts for alpha- and beta-subunit, respectively, consistent with their full-length cDNA. Coexpression of the alpha- and beta-subunits in COS-1 cells resulted in \u003e4-fold increase of glucosidase II activity. An inactive protein was obtained, however, after transfection with the alpha-subunit alone, showing that both subunits are essential for expression of active glucosidase II. The observation that the enzyme, previously purified from pig liver and lacking the beta-subunit, was catalytically active indicates that the beta-subunit is involved in alpha-subunit maturation rather than being required for enzymatic activity once the alpha-subunit has acquired its mature form. The alpha-subunit is expressed in COS-1 cells as an ER-located protein, whether inactive or part of a catalytically active complex. This suggests that ER-localization of the alpha-subunit, when associated with the dimeric enzyme complex, is mediated by the C-terminal HDEL-signal in the beta-subunit, whereas the apparently incompletely folded form of the inactive alpha-subunit could be retained in the ER by the putative \"glycoprotein-specific quality control machinery. \""}

    GlyTouCan-IUPAC

    {"project":"GlyTouCan-IUPAC","denotations":[{"id":"GlycanIUPAC_T1","span":{"begin":552,"end":555},"obj":"\"http://rdf.glycoinfo.org/glycan/G69371PB\""},{"id":"GlycanIUPAC_T2","span":{"begin":552,"end":555},"obj":"\"http://rdf.glycoinfo.org/glycan/G04439TG\""},{"id":"GlycanIUPAC_T3","span":{"begin":552,"end":555},"obj":"\"http://rdf.glycoinfo.org/glycan/G01418RR\""},{"id":"GlycanIUPAC_T4","span":{"begin":552,"end":555},"obj":"\"http://rdf.glycoinfo.org/glycan/G98605AX\""},{"id":"GlycanIUPAC_T5","span":{"begin":552,"end":555},"obj":"\"http://rdf.glycoinfo.org/glycan/G24282OK\""},{"id":"GlycanIUPAC_T6","span":{"begin":552,"end":555},"obj":"\"http://rdf.glycoinfo.org/glycan/G55879EK\""},{"id":"GlycanIUPAC_T7","span":{"begin":552,"end":555},"obj":"\"http://rdf.glycoinfo.org/glycan/G12116BQ\""},{"id":"GlycanIUPAC_T8","span":{"begin":552,"end":555},"obj":"\"http://rdf.glycoinfo.org/glycan/G54590PA\""},{"id":"GlycanIUPAC_T9","span":{"begin":552,"end":555},"obj":"\"http://rdf.glycoinfo.org/glycan/G31652HG\""},{"id":"GlycanIUPAC_T10","span":{"begin":552,"end":555},"obj":"\"http://rdf.glycoinfo.org/glycan/G15155WL\""},{"id":"GlycanIUPAC_T11","span":{"begin":552,"end":555},"obj":"\"http://rdf.glycoinfo.org/glycan/G52301ZX\""},{"id":"GlycanIUPAC_T12","span":{"begin":552,"end":555},"obj":"\"http://rdf.glycoinfo.org/glycan/G04075BC\""},{"id":"GlycanIUPAC_T13","span":{"begin":552,"end":555},"obj":"\"http://rdf.glycoinfo.org/glycan/G40829OF\""},{"id":"GlycanIUPAC_T14","span":{"begin":552,"end":555},"obj":"\"http://rdf.glycoinfo.org/glycan/G29274DI\""},{"id":"GlycanIUPAC_T15","span":{"begin":552,"end":555},"obj":"\"http://rdf.glycoinfo.org/glycan/G50601AY\""},{"id":"GlycanIUPAC_T16","span":{"begin":552,"end":555},"obj":"\"http://rdf.glycoinfo.org/glycan/G52865ZM\""},{"id":"GlycanIUPAC_T17","span":{"begin":552,"end":555},"obj":"\"http://rdf.glycoinfo.org/glycan/G73633QJ\""},{"id":"GlycanIUPAC_T18","span":{"begin":552,"end":555},"obj":"\"http://rdf.glycoinfo.org/glycan/G33319MN\""},{"id":"GlycanIUPAC_T19","span":{"begin":552,"end":555},"obj":"\"http://rdf.glycoinfo.org/glycan/G94717IQ\""},{"id":"GlycanIUPAC_T20","span":{"begin":552,"end":555},"obj":"\"http://rdf.glycoinfo.org/glycan/G50452ZL\""},{"id":"GlycanIUPAC_T21","span":{"begin":552,"end":555},"obj":"\"http://rdf.glycoinfo.org/glycan/G90753WM\""},{"id":"GlycanIUPAC_T22","span":{"begin":552,"end":555},"obj":"\"http://rdf.glycoinfo.org/glycan/G27898GL\""},{"id":"GlycanIUPAC_T23","span":{"begin":552,"end":555},"obj":"\"http://rdf.glycoinfo.org/glycan/G03827YH\""},{"id":"GlycanIUPAC_T24","span":{"begin":552,"end":555},"obj":"\"http://rdf.glycoinfo.org/glycan/G64500BA\""},{"id":"GlycanIUPAC_T25","span":{"begin":552,"end":555},"obj":"\"http://rdf.glycoinfo.org/glycan/G89743XV\""},{"id":"GlycanIUPAC_T26","span":{"begin":552,"end":555},"obj":"\"http://rdf.glycoinfo.org/glycan/G62576QG\""},{"id":"GlycanIUPAC_T27","span":{"begin":552,"end":555},"obj":"\"http://rdf.glycoinfo.org/glycan/G70212CQ\""},{"id":"GlycanIUPAC_T28","span":{"begin":552,"end":555},"obj":"\"http://rdf.glycoinfo.org/glycan/G74708KP\""},{"id":"GlycanIUPAC_T29","span":{"begin":552,"end":555},"obj":"\"http://rdf.glycoinfo.org/glycan/G02394PC\""},{"id":"GlycanIUPAC_T30","span":{"begin":552,"end":555},"obj":"\"http://rdf.glycoinfo.org/glycan/G57814GP\""},{"id":"GlycanIUPAC_T31","span":{"begin":552,"end":555},"obj":"\"http://rdf.glycoinfo.org/glycan/G81521LC\""},{"id":"GlycanIUPAC_T32","span":{"begin":552,"end":555},"obj":"\"http://rdf.glycoinfo.org/glycan/G42918SL\""},{"id":"GlycanIUPAC_T33","span":{"begin":552,"end":555},"obj":"\"http://rdf.glycoinfo.org/glycan/G95238FE\""},{"id":"GlycanIUPAC_T34","span":{"begin":552,"end":555},"obj":"\"http://rdf.glycoinfo.org/glycan/G28403TD\""},{"id":"GlycanIUPAC_T35","span":{"begin":552,"end":555},"obj":"\"http://rdf.glycoinfo.org/glycan/G30379UC\""},{"id":"GlycanIUPAC_T36","span":{"begin":552,"end":555},"obj":"\"http://rdf.glycoinfo.org/glycan/G83583TH\""},{"id":"GlycanIUPAC_T37","span":{"begin":552,"end":555},"obj":"\"http://rdf.glycoinfo.org/glycan/G59548EJ\""},{"id":"GlycanIUPAC_T38","span":{"begin":552,"end":555},"obj":"\"http://rdf.glycoinfo.org/glycan/G47410OV\""},{"id":"GlycanIUPAC_T39","span":{"begin":552,"end":555},"obj":"\"http://rdf.glycoinfo.org/glycan/G88663EK\""},{"id":"GlycanIUPAC_T40","span":{"begin":552,"end":555},"obj":"\"http://rdf.glycoinfo.org/glycan/G90684PG\""},{"id":"GlycanIUPAC_T41","span":{"begin":552,"end":555},"obj":"\"http://rdf.glycoinfo.org/glycan/G44881OW\""},{"id":"GlycanIUPAC_T42","span":{"begin":552,"end":555},"obj":"\"http://rdf.glycoinfo.org/glycan/G54691YO\""},{"id":"GlycanIUPAC_T43","span":{"begin":552,"end":555},"obj":"\"http://rdf.glycoinfo.org/glycan/G19289PT\""},{"id":"GlycanIUPAC_T44","span":{"begin":552,"end":555},"obj":"\"http://rdf.glycoinfo.org/glycan/G23779KC\""},{"id":"GlycanIUPAC_T45","span":{"begin":552,"end":555},"obj":"\"http://rdf.glycoinfo.org/glycan/G94729UX\""},{"id":"GlycanIUPAC_T46","span":{"begin":552,"end":555},"obj":"\"http://rdf.glycoinfo.org/glycan/G34038TZ\""},{"id":"GlycanIUPAC_T47","span":{"begin":552,"end":555},"obj":"\"http://rdf.glycoinfo.org/glycan/G90659JR\""},{"id":"GlycanIUPAC_T48","span":{"begin":552,"end":555},"obj":"\"http://rdf.glycoinfo.org/glycan/G74977VW\""},{"id":"GlycanIUPAC_T49","span":{"begin":552,"end":555},"obj":"\"http://rdf.glycoinfo.org/glycan/G42696WA\""},{"id":"GlycanIUPAC_T50","span":{"begin":552,"end":555},"obj":"\"http://rdf.glycoinfo.org/glycan/G82531XS\""},{"id":"GlycanIUPAC_T51","span":{"begin":552,"end":555},"obj":"\"http://rdf.glycoinfo.org/glycan/G47639GO\""},{"id":"GlycanIUPAC_T52","span":{"begin":552,"end":555},"obj":"\"http://rdf.glycoinfo.org/glycan/G69282NX\""},{"id":"GlycanIUPAC_T53","span":{"begin":552,"end":555},"obj":"\"http://rdf.glycoinfo.org/glycan/G49708JS\""},{"id":"GlycanIUPAC_T54","span":{"begin":552,"end":555},"obj":"\"http://rdf.glycoinfo.org/glycan/G63317ON\""},{"id":"GlycanIUPAC_T55","span":{"begin":552,"end":555},"obj":"\"http://rdf.glycoinfo.org/glycan/G60349YI\""},{"id":"GlycanIUPAC_T56","span":{"begin":552,"end":555},"obj":"\"http://rdf.glycoinfo.org/glycan/G81659AQ\""},{"id":"GlycanIUPAC_T57","span":{"begin":552,"end":555},"obj":"\"http://rdf.glycoinfo.org/glycan/G16289GE\""},{"id":"GlycanIUPAC_T58","span":{"begin":552,"end":555},"obj":"\"http://rdf.glycoinfo.org/glycan/G69569AG\""},{"id":"GlycanIUPAC_T59","span":{"begin":552,"end":555},"obj":"\"http://rdf.glycoinfo.org/glycan/G16884LK\""},{"id":"GlycanIUPAC_T60","span":{"begin":552,"end":555},"obj":"\"http://rdf.glycoinfo.org/glycan/G23450NH\""},{"id":"GlycanIUPAC_T61","span":{"begin":552,"end":555},"obj":"\"http://rdf.glycoinfo.org/glycan/G85052FR\""},{"id":"GlycanIUPAC_T62","span":{"begin":552,"end":555},"obj":"\"http://rdf.glycoinfo.org/glycan/G55485RI\""},{"id":"GlycanIUPAC_T63","span":{"begin":552,"end":555},"obj":"\"http://rdf.glycoinfo.org/glycan/G80596GL\""},{"id":"GlycanIUPAC_T64","span":{"begin":552,"end":555},"obj":"\"http://rdf.glycoinfo.org/glycan/G39656RU\""},{"id":"GlycanIUPAC_T65","span":{"begin":552,"end":555},"obj":"\"http://rdf.glycoinfo.org/glycan/G71284FA\""},{"id":"GlycanIUPAC_T66","span":{"begin":552,"end":555},"obj":"\"http://rdf.glycoinfo.org/glycan/G42091PK\""},{"id":"GlycanIUPAC_T67","span":{"begin":552,"end":555},"obj":"\"http://rdf.glycoinfo.org/glycan/G38798SL\""},{"id":"GlycanIUPAC_T68","span":{"begin":552,"end":555},"obj":"\"http://rdf.glycoinfo.org/glycan/G36670NA\""},{"id":"GlycanIUPAC_T69","span":{"begin":552,"end":555},"obj":"\"http://rdf.glycoinfo.org/glycan/G91582QV\""},{"id":"GlycanIUPAC_T70","span":{"begin":552,"end":555},"obj":"\"http://rdf.glycoinfo.org/glycan/G28625IE\""},{"id":"GlycanIUPAC_T71","span":{"begin":552,"end":555},"obj":"\"http://rdf.glycoinfo.org/glycan/G81304ZT\""},{"id":"GlycanIUPAC_T72","span":{"begin":552,"end":555},"obj":"\"http://rdf.glycoinfo.org/glycan/G82883BK\""},{"id":"GlycanIUPAC_T73","span":{"begin":552,"end":555},"obj":"\"http://rdf.glycoinfo.org/glycan/G46290DK\""},{"id":"GlycanIUPAC_T74","span":{"begin":552,"end":555},"obj":"\"http://rdf.glycoinfo.org/glycan/G68202TJ\""},{"id":"GlycanIUPAC_T75","span":{"begin":552,"end":555},"obj":"\"http://rdf.glycoinfo.org/glycan/G39722QK\""},{"id":"GlycanIUPAC_T76","span":{"begin":552,"end":555},"obj":"\"http://rdf.glycoinfo.org/glycan/G76637LW\""},{"id":"GlycanIUPAC_T77","span":{"begin":552,"end":555},"obj":"\"http://rdf.glycoinfo.org/glycan/G51390WF\""},{"id":"GlycanIUPAC_T78","span":{"begin":552,"end":555},"obj":"\"http://rdf.glycoinfo.org/glycan/G35392PX\""},{"id":"GlycanIUPAC_T79","span":{"begin":552,"end":555},"obj":"\"http://rdf.glycoinfo.org/glycan/G27815EZ\""},{"id":"GlycanIUPAC_T80","span":{"begin":552,"end":555},"obj":"\"http://rdf.glycoinfo.org/glycan/G64374OT\""},{"id":"GlycanIUPAC_T81","span":{"begin":552,"end":555},"obj":"\"http://rdf.glycoinfo.org/glycan/G58333PU\""},{"id":"GlycanIUPAC_T82","span":{"begin":552,"end":555},"obj":"\"http://rdf.glycoinfo.org/glycan/G19695IE\""},{"id":"GlycanIUPAC_T83","span":{"begin":552,"end":555},"obj":"\"http://rdf.glycoinfo.org/glycan/G65617GK\""},{"id":"GlycanIUPAC_T84","span":{"begin":552,"end":555},"obj":"\"http://rdf.glycoinfo.org/glycan/G29832KZ\""},{"id":"GlycanIUPAC_T85","span":{"begin":552,"end":555},"obj":"\"http://rdf.glycoinfo.org/glycan/G05333AM\""},{"id":"GlycanIUPAC_T86","span":{"begin":552,"end":555},"obj":"\"http://rdf.glycoinfo.org/glycan/G46130CG\""},{"id":"GlycanIUPAC_T87","span":{"begin":552,"end":555},"obj":"\"http://rdf.glycoinfo.org/glycan/G57766RG\""},{"id":"GlycanIUPAC_T88","span":{"begin":552,"end":555},"obj":"\"http://rdf.glycoinfo.org/glycan/G03334HH\""},{"id":"GlycanIUPAC_T89","span":{"begin":552,"end":555},"obj":"\"http://rdf.glycoinfo.org/glycan/G46094SV\""},{"id":"GlycanIUPAC_T90","span":{"begin":552,"end":555},"obj":"\"http://rdf.glycoinfo.org/glycan/G98365FX\""},{"id":"GlycanIUPAC_T91","span":{"begin":552,"end":555},"obj":"\"http://rdf.glycoinfo.org/glycan/G85392EJ\""},{"id":"GlycanIUPAC_T92","span":{"begin":552,"end":555},"obj":"\"http://rdf.glycoinfo.org/glycan/G59996WL\""},{"id":"GlycanIUPAC_T93","span":{"begin":552,"end":555},"obj":"\"http://rdf.glycoinfo.org/glycan/G49141OD\""},{"id":"GlycanIUPAC_T94","span":{"begin":552,"end":555},"obj":"\"http://rdf.glycoinfo.org/glycan/G88793VU\""},{"id":"GlycanIUPAC_T95","span":{"begin":552,"end":555},"obj":"\"http://rdf.glycoinfo.org/glycan/G88801WQ\""},{"id":"GlycanIUPAC_T96","span":{"begin":552,"end":555},"obj":"\"http://rdf.glycoinfo.org/glycan/G61612EQ\""},{"id":"GlycanIUPAC_T97","span":{"begin":552,"end":555},"obj":"\"http://rdf.glycoinfo.org/glycan/G23181BS\""},{"id":"GlycanIUPAC_T98","span":{"begin":552,"end":555},"obj":"\"http://rdf.glycoinfo.org/glycan/G77428YW\""},{"id":"GlycanIUPAC_T99","span":{"begin":552,"end":555},"obj":"\"http://rdf.glycoinfo.org/glycan/G06824UZ\""},{"id":"GlycanIUPAC_T100","span":{"begin":552,"end":555},"obj":"\"http://rdf.glycoinfo.org/glycan/G15142RK\""},{"id":"GlycanIUPAC_T101","span":{"begin":552,"end":555},"obj":"\"http://rdf.glycoinfo.org/glycan/G18198RM\""},{"id":"GlycanIUPAC_T102","span":{"begin":552,"end":555},"obj":"\"http://rdf.glycoinfo.org/glycan/G70750SS\""},{"id":"GlycanIUPAC_T103","span":{"begin":552,"end":555},"obj":"\"http://rdf.glycoinfo.org/glycan/G04998YJ\""},{"id":"GlycanIUPAC_T104","span":{"begin":552,"end":555},"obj":"\"http://rdf.glycoinfo.org/glycan/G44379HX\""},{"id":"GlycanIUPAC_T105","span":{"begin":552,"end":555},"obj":"\"http://rdf.glycoinfo.org/glycan/G25683ZO\""},{"id":"GlycanIUPAC_T106","span":{"begin":552,"end":555},"obj":"\"http://rdf.glycoinfo.org/glycan/G35036BA\""},{"id":"GlycanIUPAC_T107","span":{"begin":552,"end":555},"obj":"\"http://rdf.glycoinfo.org/glycan/G98129RB\""},{"id":"GlycanIUPAC_T108","span":{"begin":552,"end":555},"obj":"\"http://rdf.glycoinfo.org/glycan/G00134PL\""},{"id":"GlycanIUPAC_T109","span":{"begin":552,"end":555},"obj":"\"http://rdf.glycoinfo.org/glycan/G26488SP\""},{"id":"GlycanIUPAC_T110","span":{"begin":552,"end":555},"obj":"\"http://rdf.glycoinfo.org/glycan/G02441UD\""},{"id":"GlycanIUPAC_T111","span":{"begin":552,"end":555},"obj":"\"http://rdf.glycoinfo.org/glycan/G21668ZD\""},{"id":"GlycanIUPAC_T112","span":{"begin":552,"end":555},"obj":"\"http://rdf.glycoinfo.org/glycan/G67040OT\""},{"id":"GlycanIUPAC_T113","span":{"begin":552,"end":555},"obj":"\"http://rdf.glycoinfo.org/glycan/G56431YZ\""},{"id":"GlycanIUPAC_T114","span":{"begin":552,"end":555},"obj":"\"http://rdf.glycoinfo.org/glycan/G29667IS\""},{"id":"GlycanIUPAC_T115","span":{"begin":552,"end":555},"obj":"\"http://rdf.glycoinfo.org/glycan/G94122LM\""},{"id":"GlycanIUPAC_T116","span":{"begin":552,"end":555},"obj":"\"http://rdf.glycoinfo.org/glycan/G93233YT\""},{"id":"GlycanIUPAC_T117","span":{"begin":552,"end":555},"obj":"\"http://rdf.glycoinfo.org/glycan/G72035WK\""},{"id":"GlycanIUPAC_T118","span":{"begin":552,"end":555},"obj":"\"http://rdf.glycoinfo.org/glycan/G99855SM\""},{"id":"GlycanIUPAC_T119","span":{"begin":552,"end":555},"obj":"\"http://rdf.glycoinfo.org/glycan/G48723MN\""},{"id":"GlycanIUPAC_T120","span":{"begin":552,"end":555},"obj":"\"http://rdf.glycoinfo.org/glycan/G28558MB\""},{"id":"GlycanIUPAC_T121","span":{"begin":552,"end":555},"obj":"\"http://rdf.glycoinfo.org/glycan/G92768RX\""},{"id":"GlycanIUPAC_T122","span":{"begin":552,"end":555},"obj":"\"http://rdf.glycoinfo.org/glycan/G70136KU\""},{"id":"GlycanIUPAC_T123","span":{"begin":552,"end":555},"obj":"\"http://rdf.glycoinfo.org/glycan/G37935YM\""},{"id":"GlycanIUPAC_T124","span":{"begin":552,"end":555},"obj":"\"http://rdf.glycoinfo.org/glycan/G96902PQ\""},{"id":"GlycanIUPAC_T125","span":{"begin":552,"end":555},"obj":"\"http://rdf.glycoinfo.org/glycan/G14015DN\""},{"id":"GlycanIUPAC_T126","span":{"begin":552,"end":555},"obj":"\"http://rdf.glycoinfo.org/glycan/G83153IV\""},{"id":"GlycanIUPAC_T127","span":{"begin":552,"end":555},"obj":"\"http://rdf.glycoinfo.org/glycan/G73174QP\""},{"id":"GlycanIUPAC_T128","span":{"begin":552,"end":555},"obj":"\"http://rdf.glycoinfo.org/glycan/G67188XY\""},{"id":"GlycanIUPAC_T129","span":{"begin":552,"end":555},"obj":"\"http://rdf.glycoinfo.org/glycan/G35093GE\""},{"id":"GlycanIUPAC_T130","span":{"begin":552,"end":555},"obj":"\"http://rdf.glycoinfo.org/glycan/G13364VQ\""},{"id":"GlycanIUPAC_T131","span":{"begin":552,"end":555},"obj":"\"http://rdf.glycoinfo.org/glycan/G72068FB\""},{"id":"GlycanIUPAC_T132","span":{"begin":552,"end":555},"obj":"\"http://rdf.glycoinfo.org/glycan/G93329DU\""},{"id":"GlycanIUPAC_T133","span":{"begin":552,"end":555},"obj":"\"http://rdf.glycoinfo.org/glycan/G54073VB\""},{"id":"GlycanIUPAC_T134","span":{"begin":552,"end":555},"obj":"\"http://rdf.glycoinfo.org/glycan/G41447UI\""},{"id":"GlycanIUPAC_T135","span":{"begin":552,"end":555},"obj":"\"http://rdf.glycoinfo.org/glycan/G85878MY\""},{"id":"GlycanIUPAC_T136","span":{"begin":552,"end":555},"obj":"\"http://rdf.glycoinfo.org/glycan/G92835HR\""},{"id":"GlycanIUPAC_T137","span":{"begin":552,"end":555},"obj":"\"http://rdf.glycoinfo.org/glycan/G34845TQ\""},{"id":"GlycanIUPAC_T138","span":{"begin":552,"end":555},"obj":"\"http://rdf.glycoinfo.org/glycan/G38916XK\""},{"id":"GlycanIUPAC_T139","span":{"begin":552,"end":555},"obj":"\"http://rdf.glycoinfo.org/glycan/G87709OA\""},{"id":"GlycanIUPAC_T140","span":{"begin":552,"end":555},"obj":"\"http://rdf.glycoinfo.org/glycan/G46661GX\""},{"id":"GlycanIUPAC_T141","span":{"begin":552,"end":555},"obj":"\"http://rdf.glycoinfo.org/glycan/G53431DX\""},{"id":"GlycanIUPAC_T142","span":{"begin":552,"end":555},"obj":"\"http://rdf.glycoinfo.org/glycan/G71815PL\""},{"id":"GlycanIUPAC_T143","span":{"begin":552,"end":555},"obj":"\"http://rdf.glycoinfo.org/glycan/G97173UR\""},{"id":"GlycanIUPAC_T144","span":{"begin":552,"end":555},"obj":"\"http://rdf.glycoinfo.org/glycan/G53453JD\""},{"id":"GlycanIUPAC_T145","span":{"begin":552,"end":555},"obj":"\"http://rdf.glycoinfo.org/glycan/G48975CP\""},{"id":"GlycanIUPAC_T146","span":{"begin":552,"end":555},"obj":"\"http://rdf.glycoinfo.org/glycan/G87775XT\""},{"id":"GlycanIUPAC_T147","span":{"begin":552,"end":555},"obj":"\"http://rdf.glycoinfo.org/glycan/G48463GY\""},{"id":"GlycanIUPAC_T148","span":{"begin":552,"end":555},"obj":"\"http://rdf.glycoinfo.org/glycan/G54042BQ\""},{"id":"GlycanIUPAC_T149","span":{"begin":552,"end":555},"obj":"\"http://rdf.glycoinfo.org/glycan/G99993MV\""},{"id":"GlycanIUPAC_T150","span":{"begin":552,"end":555},"obj":"\"http://rdf.glycoinfo.org/glycan/G81407LL\""},{"id":"GlycanIUPAC_T151","span":{"begin":552,"end":555},"obj":"\"http://rdf.glycoinfo.org/glycan/G46430YF\""},{"id":"GlycanIUPAC_T152","span":{"begin":552,"end":555},"obj":"\"http://rdf.glycoinfo.org/glycan/G86548QQ\""},{"id":"GlycanIUPAC_T153","span":{"begin":552,"end":555},"obj":"\"http://rdf.glycoinfo.org/glycan/G25645HZ\""},{"id":"GlycanIUPAC_T154","span":{"begin":552,"end":555},"obj":"\"http://rdf.glycoinfo.org/glycan/G73880WZ\""},{"id":"GlycanIUPAC_T155","span":{"begin":552,"end":555},"obj":"\"http://rdf.glycoinfo.org/glycan/G12979RT\""},{"id":"GlycanIUPAC_T156","span":{"begin":552,"end":555},"obj":"\"http://rdf.glycoinfo.org/glycan/G36146RU\""},{"id":"GlycanIUPAC_T157","span":{"begin":552,"end":555},"obj":"\"http://rdf.glycoinfo.org/glycan/G23944RZ\""},{"id":"GlycanIUPAC_T158","span":{"begin":552,"end":555},"obj":"\"http://rdf.glycoinfo.org/glycan/G67041BN\""},{"id":"GlycanIUPAC_T159","span":{"begin":552,"end":555},"obj":"\"http://rdf.glycoinfo.org/glycan/G95408HX\""},{"id":"GlycanIUPAC_T160","span":{"begin":552,"end":555},"obj":"\"http://rdf.glycoinfo.org/glycan/G31094CC\""},{"id":"GlycanIUPAC_T161","span":{"begin":552,"end":555},"obj":"\"http://rdf.glycoinfo.org/glycan/G99598GU\""},{"id":"GlycanIUPAC_T162","span":{"begin":552,"end":555},"obj":"\"http://rdf.glycoinfo.org/glycan/G94072IC\""},{"id":"GlycanIUPAC_T163","span":{"begin":552,"end":555},"obj":"\"http://rdf.glycoinfo.org/glycan/G09523ZS\""}],"text":"The alpha- and beta-subunits are required for expression of catalytic activity in the hetero-dimeric glucosidase II complex from human liver.\nThe alpha- and beta-subunits of the hetero-dimeric glucosidase II complex from human liver were cloned and expressed in COS-1 cells. The 4106 bp full-length cDNA for the alpha-subunit contained a 2835 bp ORF encoding a 107 kDa polypeptide. The 2095 bp cDNA for the beta-subunit encodes a approximately 60 kDa protein in a continuous 1605 bp ORF. The alpha- and beta-subunits each contain two potential Asn-Xaa-Thr/Ser acceptor sites, with only one site in the alpha-subunit (Asn97) being glycosylated. Additional lambda-clones were isolated for each subunit containing in-frame insertions/deletions within the coding region, indicating alternative splicing. Analysis of different human tissues revealed approximately 4.4 kb and approximately 2.4 kb transcripts for alpha- and beta-subunit, respectively, consistent with their full-length cDNA. Coexpression of the alpha- and beta-subunits in COS-1 cells resulted in \u003e4-fold increase of glucosidase II activity. An inactive protein was obtained, however, after transfection with the alpha-subunit alone, showing that both subunits are essential for expression of active glucosidase II. The observation that the enzyme, previously purified from pig liver and lacking the beta-subunit, was catalytically active indicates that the beta-subunit is involved in alpha-subunit maturation rather than being required for enzymatic activity once the alpha-subunit has acquired its mature form. The alpha-subunit is expressed in COS-1 cells as an ER-located protein, whether inactive or part of a catalytically active complex. This suggests that ER-localization of the alpha-subunit, when associated with the dimeric enzyme complex, is mediated by the C-terminal HDEL-signal in the beta-subunit, whereas the apparently incompletely folded form of the inactive alpha-subunit could be retained in the ER by the putative \"glycoprotein-specific quality control machinery. \""}

    performance-test

    {"project":"performance-test","denotations":[{"id":"PD-UBERON-AE-B_T1","span":{"begin":828,"end":835},"obj":"http://purl.obolibrary.org/obo/UBERON_0000479"},{"id":"PD-UBERON-AE-B_T2","span":{"begin":135,"end":140},"obj":"http://purl.obolibrary.org/obo/UBERON_0002107"},{"id":"PD-UBERON-AE-B_T3","span":{"begin":227,"end":232},"obj":"http://purl.obolibrary.org/obo/UBERON_0002107"},{"id":"PD-UBERON-AE-B_T4","span":{"begin":1339,"end":1344},"obj":"http://purl.obolibrary.org/obo/UBERON_0002107"}],"text":"The alpha- and beta-subunits are required for expression of catalytic activity in the hetero-dimeric glucosidase II complex from human liver.\nThe alpha- and beta-subunits of the hetero-dimeric glucosidase II complex from human liver were cloned and expressed in COS-1 cells. The 4106 bp full-length cDNA for the alpha-subunit contained a 2835 bp ORF encoding a 107 kDa polypeptide. The 2095 bp cDNA for the beta-subunit encodes a approximately 60 kDa protein in a continuous 1605 bp ORF. The alpha- and beta-subunits each contain two potential Asn-Xaa-Thr/Ser acceptor sites, with only one site in the alpha-subunit (Asn97) being glycosylated. Additional lambda-clones were isolated for each subunit containing in-frame insertions/deletions within the coding region, indicating alternative splicing. Analysis of different human tissues revealed approximately 4.4 kb and approximately 2.4 kb transcripts for alpha- and beta-subunit, respectively, consistent with their full-length cDNA. Coexpression of the alpha- and beta-subunits in COS-1 cells resulted in \u003e4-fold increase of glucosidase II activity. An inactive protein was obtained, however, after transfection with the alpha-subunit alone, showing that both subunits are essential for expression of active glucosidase II. The observation that the enzyme, previously purified from pig liver and lacking the beta-subunit, was catalytically active indicates that the beta-subunit is involved in alpha-subunit maturation rather than being required for enzymatic activity once the alpha-subunit has acquired its mature form. The alpha-subunit is expressed in COS-1 cells as an ER-located protein, whether inactive or part of a catalytically active complex. This suggests that ER-localization of the alpha-subunit, when associated with the dimeric enzyme complex, is mediated by the C-terminal HDEL-signal in the beta-subunit, whereas the apparently incompletely folded form of the inactive alpha-subunit could be retained in the ER by the putative \"glycoprotein-specific quality control machinery. \""}

    Anatomy-MAT

    {"project":"Anatomy-MAT","denotations":[{"id":"T1","span":{"begin":135,"end":140},"obj":"Body_part"},{"id":"T2","span":{"begin":227,"end":232},"obj":"Body_part"},{"id":"T3","span":{"begin":1339,"end":1344},"obj":"Body_part"}],"attributes":[{"id":"A1","pred":"mat_id","subj":"T1","obj":"http://purl.obolibrary.org/obo/MAT_0000097"},{"id":"A2","pred":"mat_id","subj":"T2","obj":"http://purl.obolibrary.org/obo/MAT_0000097"},{"id":"A3","pred":"mat_id","subj":"T3","obj":"http://purl.obolibrary.org/obo/MAT_0000097"}],"text":"The alpha- and beta-subunits are required for expression of catalytic activity in the hetero-dimeric glucosidase II complex from human liver.\nThe alpha- and beta-subunits of the hetero-dimeric glucosidase II complex from human liver were cloned and expressed in COS-1 cells. The 4106 bp full-length cDNA for the alpha-subunit contained a 2835 bp ORF encoding a 107 kDa polypeptide. The 2095 bp cDNA for the beta-subunit encodes a approximately 60 kDa protein in a continuous 1605 bp ORF. The alpha- and beta-subunits each contain two potential Asn-Xaa-Thr/Ser acceptor sites, with only one site in the alpha-subunit (Asn97) being glycosylated. Additional lambda-clones were isolated for each subunit containing in-frame insertions/deletions within the coding region, indicating alternative splicing. Analysis of different human tissues revealed approximately 4.4 kb and approximately 2.4 kb transcripts for alpha- and beta-subunit, respectively, consistent with their full-length cDNA. Coexpression of the alpha- and beta-subunits in COS-1 cells resulted in \u003e4-fold increase of glucosidase II activity. An inactive protein was obtained, however, after transfection with the alpha-subunit alone, showing that both subunits are essential for expression of active glucosidase II. The observation that the enzyme, previously purified from pig liver and lacking the beta-subunit, was catalytically active indicates that the beta-subunit is involved in alpha-subunit maturation rather than being required for enzymatic activity once the alpha-subunit has acquired its mature form. The alpha-subunit is expressed in COS-1 cells as an ER-located protein, whether inactive or part of a catalytically active complex. This suggests that ER-localization of the alpha-subunit, when associated with the dimeric enzyme complex, is mediated by the C-terminal HDEL-signal in the beta-subunit, whereas the apparently incompletely folded form of the inactive alpha-subunit could be retained in the ER by the putative \"glycoprotein-specific quality control machinery. \""}

    NCBITAXON

    {"project":"NCBITAXON","denotations":[{"id":"T1","span":{"begin":129,"end":134},"obj":"OrganismTaxon"},{"id":"T2","span":{"begin":221,"end":226},"obj":"OrganismTaxon"},{"id":"T3","span":{"begin":822,"end":827},"obj":"OrganismTaxon"}],"attributes":[{"id":"A1","pred":"db_id","subj":"T1","obj":"9606"},{"id":"A2","pred":"db_id","subj":"T2","obj":"9606"},{"id":"A3","pred":"db_id","subj":"T3","obj":"9606"}],"text":"The alpha- and beta-subunits are required for expression of catalytic activity in the hetero-dimeric glucosidase II complex from human liver.\nThe alpha- and beta-subunits of the hetero-dimeric glucosidase II complex from human liver were cloned and expressed in COS-1 cells. The 4106 bp full-length cDNA for the alpha-subunit contained a 2835 bp ORF encoding a 107 kDa polypeptide. The 2095 bp cDNA for the beta-subunit encodes a approximately 60 kDa protein in a continuous 1605 bp ORF. The alpha- and beta-subunits each contain two potential Asn-Xaa-Thr/Ser acceptor sites, with only one site in the alpha-subunit (Asn97) being glycosylated. Additional lambda-clones were isolated for each subunit containing in-frame insertions/deletions within the coding region, indicating alternative splicing. Analysis of different human tissues revealed approximately 4.4 kb and approximately 2.4 kb transcripts for alpha- and beta-subunit, respectively, consistent with their full-length cDNA. Coexpression of the alpha- and beta-subunits in COS-1 cells resulted in \u003e4-fold increase of glucosidase II activity. An inactive protein was obtained, however, after transfection with the alpha-subunit alone, showing that both subunits are essential for expression of active glucosidase II. The observation that the enzyme, previously purified from pig liver and lacking the beta-subunit, was catalytically active indicates that the beta-subunit is involved in alpha-subunit maturation rather than being required for enzymatic activity once the alpha-subunit has acquired its mature form. The alpha-subunit is expressed in COS-1 cells as an ER-located protein, whether inactive or part of a catalytically active complex. This suggests that ER-localization of the alpha-subunit, when associated with the dimeric enzyme complex, is mediated by the C-terminal HDEL-signal in the beta-subunit, whereas the apparently incompletely folded form of the inactive alpha-subunit could be retained in the ER by the putative \"glycoprotein-specific quality control machinery. \""}

    Anatomy-UBERON

    {"project":"Anatomy-UBERON","denotations":[{"id":"T1","span":{"begin":135,"end":140},"obj":"Body_part"},{"id":"T2","span":{"begin":227,"end":232},"obj":"Body_part"},{"id":"T3","span":{"begin":655,"end":661},"obj":"Body_part"},{"id":"T4","span":{"begin":1339,"end":1344},"obj":"Body_part"}],"attributes":[{"id":"A1","pred":"uberon_id","subj":"T1","obj":"http://purl.obolibrary.org/obo/UBERON_0002107"},{"id":"A2","pred":"uberon_id","subj":"T2","obj":"http://purl.obolibrary.org/obo/UBERON_0002107"},{"id":"A3","pred":"uberon_id","subj":"T3","obj":"http://purl.obolibrary.org/obo/UBERON_0013424"},{"id":"A4","pred":"uberon_id","subj":"T4","obj":"http://purl.obolibrary.org/obo/UBERON_0002107"}],"text":"The alpha- and beta-subunits are required for expression of catalytic activity in the hetero-dimeric glucosidase II complex from human liver.\nThe alpha- and beta-subunits of the hetero-dimeric glucosidase II complex from human liver were cloned and expressed in COS-1 cells. The 4106 bp full-length cDNA for the alpha-subunit contained a 2835 bp ORF encoding a 107 kDa polypeptide. The 2095 bp cDNA for the beta-subunit encodes a approximately 60 kDa protein in a continuous 1605 bp ORF. The alpha- and beta-subunits each contain two potential Asn-Xaa-Thr/Ser acceptor sites, with only one site in the alpha-subunit (Asn97) being glycosylated. Additional lambda-clones were isolated for each subunit containing in-frame insertions/deletions within the coding region, indicating alternative splicing. Analysis of different human tissues revealed approximately 4.4 kb and approximately 2.4 kb transcripts for alpha- and beta-subunit, respectively, consistent with their full-length cDNA. Coexpression of the alpha- and beta-subunits in COS-1 cells resulted in \u003e4-fold increase of glucosidase II activity. An inactive protein was obtained, however, after transfection with the alpha-subunit alone, showing that both subunits are essential for expression of active glucosidase II. The observation that the enzyme, previously purified from pig liver and lacking the beta-subunit, was catalytically active indicates that the beta-subunit is involved in alpha-subunit maturation rather than being required for enzymatic activity once the alpha-subunit has acquired its mature form. The alpha-subunit is expressed in COS-1 cells as an ER-located protein, whether inactive or part of a catalytically active complex. This suggests that ER-localization of the alpha-subunit, when associated with the dimeric enzyme complex, is mediated by the C-terminal HDEL-signal in the beta-subunit, whereas the apparently incompletely folded form of the inactive alpha-subunit could be retained in the ER by the putative \"glycoprotein-specific quality control machinery. \""}