PubMed:2303461 / 637-796 JSONTXT

{"project":"sentences","denotations":[{"id":"T7","span":{"begin":0,"end":159},"obj":"Sentence"},{"id":"T7","span":{"begin":0,"end":159},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"A normal P450c21 cDNA clone was transfected into COS-1 cells to produce 21-hydroxylase activity toward its substrates, progesterone and 17-hydroxyprogesterone."}