PubMed:821944 / 487-690 JSONTXT

{"project":"sentences","denotations":[{"id":"T4","span":{"begin":0,"end":203},"obj":"Sentence"},{"id":"T4","span":{"begin":0,"end":203},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"In the presence of bicarbonate, nearly half of the antigenic determinants of the enzyme were altered to such an extent that antibodies directed against these determinants in the native form did not bind."}