##gff-version 3 Q133N2 UniProtKB Chain 1 716 . . . ID=PRO_0000260690;Note=1%2C4-alpha-glucan branching enzyme GlgB Q133N2 UniProtKB Active site 399 399 . . . Note=Nucleophile;Ontology_term=ECO:0000255;evidence=ECO:0000255|HAMAP-Rule:MF_00685 Q133N2 UniProtKB Active site 452 452 . . . Note=Proton donor;Ontology_term=ECO:0000255;evidence=ECO:0000255|HAMAP-Rule:MF_00685