PMC:539061 / 40229-40231 JSONTXT

{"project":"craft-ca-core-ex-dev","denotations":[{"id":"T7186","span":{"begin":0,"end":2},"obj":"SO_EXT:sequence_upstreamness"}],"text":"5′"}

{"project":"craft-sa-dev","denotations":[{"id":"T8189","span":{"begin":0,"end":1},"obj":"CD"},{"id":"T8190","span":{"begin":1,"end":2},"obj":"SYM"}],"text":"5′"}