PMC:1448208 / 7675-7684 JSONTXT

{"project":"craft-sa-dev","denotations":[{"id":"T5106","span":{"begin":2,"end":4},"obj":"NN"}],"text":"7 kb EcoR"}

{"project":"craft-ca-core-ex-dev","denotations":[{"id":"T4985","span":{"begin":3,"end":4},"obj":"CHEBI_SO_EXT:base"}],"text":"7 kb EcoR"}