##gff-version 3 P0CW41 UniProtKB Chain 1 589 . . . ID=PRO_0000408197;Note=Oligo-1%2C6-glucosidase IMA4 P0CW41 UniProtKB Active site 215 215 . . . Note=Nucleophile;Ontology_term=ECO:0000250;evidence=ECO:0000250 P0CW41 UniProtKB Active site 277 277 . . . Note=Proton donor;Ontology_term=ECO:0000250;evidence=ECO:0000250 P0CW41 UniProtKB Site 352 352 . . . Note=Transition state stabilizer;Ontology_term=ECO:0000250;evidence=ECO:0000250