PMC:1482699 / 472-481 JSONTXT

{"project":"craft-sa-dev","denotations":[{"id":"T667","span":{"begin":2,"end":8},"obj":"NN"}],"text":"r mutant "}

{"project":"craft-ca-core-ex-dev","denotations":[{"id":"T560","span":{"begin":2,"end":8},"obj":"SO_EXT:sequence_altered_entity_or_alteration_process"}],"text":"r mutant "}