##gff-version 3 A0R1Y4 UniProtKB Chain 1 736 . . . ID=PRO_0000413977;Note=1%2C4-alpha-glucan branching enzyme GlgB A0R1Y4 UniProtKB Active site 416 416 . . . Note=Nucleophile;Ontology_term=ECO:0000250;evidence=ECO:0000250 A0R1Y4 UniProtKB Active site 469 469 . . . Note=Proton donor;Ontology_term=ECO:0000250;evidence=ECO:0000250