##gff-version 3 P0CN82 UniProtKB Chain 1 682 . . . ID=PRO_0000188780;Note=1%2C4-alpha-glucan-branching enzyme P0CN82 UniProtKB Active site 342 342 . . . Note=Nucleophile;Ontology_term=ECO:0000250;evidence=ECO:0000250 P0CN82 UniProtKB Active site 397 397 . . . Note=Proton donor;Ontology_term=ECO:0000250;evidence=ECO:0000250