##gff-version 3 A3NU16 UniProtKB Chain 1 738 . . . ID=PRO_1000044971;Note=1%2C4-alpha-glucan branching enzyme GlgB A3NU16 UniProtKB Active site 417 417 . . . Note=Nucleophile;Ontology_term=ECO:0000255;evidence=ECO:0000255|HAMAP-Rule:MF_00685 A3NU16 UniProtKB Active site 472 472 . . . Note=Proton donor;Ontology_term=ECO:0000255;evidence=ECO:0000255|HAMAP-Rule:MF_00685