##gff-version 3 A4Y4U3 UniProtKB Chain 1 745 . . . ID=PRO_1000044999;Note=1%2C4-alpha-glucan branching enzyme GlgB A4Y4U3 UniProtKB Active site 416 416 . . . Note=Nucleophile;Ontology_term=ECO:0000255;evidence=ECO:0000255|HAMAP-Rule:MF_00685 A4Y4U3 UniProtKB Active site 469 469 . . . Note=Proton donor;Ontology_term=ECO:0000255;evidence=ECO:0000255|HAMAP-Rule:MF_00685