##gff-version 3 A9WQA3 UniProtKB Chain 1 244 . . . ID=PRO_1000084106;Note=1-(5-phosphoribosyl)-5-[(5-phosphoribosylamino)methylideneamino] imidazole-4-carboxamide isomerase A9WQA3 UniProtKB Active site 13 13 . . . Note=Proton acceptor;Ontology_term=ECO:0000255;evidence=ECO:0000255|HAMAP-Rule:MF_01014 A9WQA3 UniProtKB Active site 132 132 . . . Note=Proton donor;Ontology_term=ECO:0000255;evidence=ECO:0000255|HAMAP-Rule:MF_01014