PMC:1140370 / 50-61 JSONTXT

{"project":"craft-sa-dev","denotations":[{"id":"T150","span":{"begin":1,"end":9},"obj":"NN"},{"id":"T156","span":{"begin":9,"end":10},"obj":"sentence"}],"text":" helicase\n\n"}

{"project":"craft-ca-core-ex-dev","denotations":[{"id":"T89","span":{"begin":1,"end":9},"obj":"GO_EXT:0004386"}],"text":" helicase\n\n"}