PubMed:809436 / 826-975 JSONTXT

{"project":"sentences","denotations":[{"id":"T8","span":{"begin":0,"end":149},"obj":"Sentence"},{"id":"T8","span":{"begin":0,"end":149},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"Protein B2, isolated this way, was enzymatically inactive due to partial loss of its iron but it could be reactivated by treatment with ferrous iron."}