PubMed:821948 / 353-503 JSONTXT

{"project":"sentences","denotations":[{"id":"T4","span":{"begin":0,"end":150},"obj":"Sentence"},{"id":"T4","span":{"begin":0,"end":150},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"At relatively high concentrations of salt (e.g. 0.3 M KCl) the enzyme can be dissociated into seemingly identical subunits of 51,000 molecular weight."}