PubMed:809436 / 1152-1279 JSONTXT

{"project":"sentences","denotations":[{"id":"T10","span":{"begin":0,"end":127},"obj":"Sentence"},{"id":"T10","span":{"begin":0,"end":127},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"The T4-induced proteins B1 and B2 were unable to reduce ribonucleotides when assayed separately but were active in combination."}