PubMed:2842341 / 906-1091 JSONTXT

{"project":"sentences","denotations":[{"id":"T12","span":{"begin":0,"end":185},"obj":"Sentence"},{"id":"T12","span":{"begin":0,"end":185},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"MAP kinase activity of chromatographic fractions correlated precisely with the presence of a 40-kDa phosphoprotein detected by sodium dodecyl sulfate-polyacrylamide gel electrophoresis."}