PMC:1140370 / 5731-5742 JSONTXT

{"project":"craft-sa-dev","denotations":[{"id":"T1758","span":{"begin":3,"end":6},"obj":"DT"},{"id":"T1760","span":{"begin":7,"end":11},"obj":"NN"}],"text":"ng the His6"}

{"project":"craft-ca-core-ex-dev","denotations":[{"id":"T1658","span":{"begin":7,"end":10},"obj":"CHEBI_SO_EXT:histidine"}],"text":"ng the His6"}