PubMed:10419498 / 1405-1621 JSONTXT

{"project":"sentences","denotations":[{"id":"TextSentencer_T9","span":{"begin":0,"end":216},"obj":"Sentence"},{"id":"T9","span":{"begin":0,"end":216},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"The transfected mutant alpha3(VI) chains associated with endogenous alpha1(VI) and alpha2(VI) to form collagen VI monomers, but dimers and tetramers did not form and the mutant-containing molecules were not secreted."}