PMC:1140370 / 51-61 JSONTXT

{"project":"craft-sa-dev","denotations":[{"id":"T150","span":{"begin":0,"end":8},"obj":"NN"},{"id":"T156","span":{"begin":8,"end":9},"obj":"sentence"}],"text":"helicase\n\n"}

{"project":"craft-ca-core-ex-dev","denotations":[{"id":"T89","span":{"begin":0,"end":8},"obj":"GO_EXT:0004386"}],"text":"helicase\n\n"}