##gff-version 3 A8FHR0 UniProtKB Chain 1 245 . . . ID=PRO_1000063185;Note=1-(5-phosphoribosyl)-5-[(5-phosphoribosylamino)methylideneamino] imidazole-4-carboxamide isomerase A8FHR0 UniProtKB Active site 11 11 . . . Note=Proton acceptor;Ontology_term=ECO:0000255;evidence=ECO:0000255|HAMAP-Rule:MF_01014 A8FHR0 UniProtKB Active site 132 132 . . . Note=Proton donor;Ontology_term=ECO:0000255;evidence=ECO:0000255|HAMAP-Rule:MF_01014