##gff-version 3 P40884 UniProtKB Chain 1 581 . . . ID=PRO_0000054331;Note=Oligo-1%2C6-glucosidase IMA5 P40884 UniProtKB Active site 210 210 . . . Note=Nucleophile;Ontology_term=ECO:0000250;evidence=ECO:0000250 P40884 UniProtKB Active site 272 272 . . . Note=Proton donor;Ontology_term=ECO:0000250;evidence=ECO:0000250 P40884 UniProtKB Site 347 347 . . . Note=Transition state stabilizer;Ontology_term=ECO:0000250;evidence=ECO:0000250