##gff-version 3 Q21WG7 UniProtKB Chain 1 625 . . . ID=PRO_0000260688;Note=1%2C4-alpha-glucan branching enzyme GlgB Q21WG7 UniProtKB Active site 302 302 . . . Note=Nucleophile;Ontology_term=ECO:0000255;evidence=ECO:0000255|HAMAP-Rule:MF_00685 Q21WG7 UniProtKB Active site 355 355 . . . Note=Proton donor;Ontology_term=ECO:0000255;evidence=ECO:0000255|HAMAP-Rule:MF_00685