PubMed:811654 / 1145-1305 JSONTXT

{"project":"sentences","denotations":[{"id":"T7","span":{"begin":0,"end":160},"obj":"Sentence"},{"id":"T7","span":{"begin":0,"end":160},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"The amino acid composition of the protein showed that it was relatively rich in glutamic and aspartic acids, which together comprised 25% of its total residues."}