PMC:539297 / 530-540 JSONTXT

{"project":"craft-sa-dev","denotations":[{"id":"T262","span":{"begin":2,"end":8},"obj":"NN"}],"text":"s mutant b"}

{"project":"craft-ca-core-ex-dev","denotations":[{"id":"T124","span":{"begin":2,"end":8},"obj":"SO_EXT:sequence_altered_entity_or_alteration_process"}],"text":"s mutant b"}