##gff-version 3 Q3M473 UniProtKB Chain 1 764 . . . ID=PRO_0000260636;Note=1%2C4-alpha-glucan branching enzyme GlgB Q3M473 UniProtKB Active site 434 434 . . . Note=Nucleophile;Ontology_term=ECO:0000255;evidence=ECO:0000255|HAMAP-Rule:MF_00685 Q3M473 UniProtKB Active site 487 487 . . . Note=Proton donor;Ontology_term=ECO:0000255;evidence=ECO:0000255|HAMAP-Rule:MF_00685