##gff-version 3 P52979 UniProtKB Chain 1 734 . . . ID=PRO_0000188671;Note=1%2C4-alpha-glucan branching enzyme GlgB P52979 UniProtKB Active site 417 417 . . . Note=Nucleophile;Ontology_term=ECO:0000250;evidence=ECO:0000250 P52979 UniProtKB Active site 470 470 . . . Note=Proton donor;Ontology_term=ECO:0000250;evidence=ECO:0000250