##gff-version 3 Q65RC0 UniProtKB Chain 1 249 . . . ID=PRO_0000142023;Note=1-(5-phosphoribosyl)-5-[(5-phosphoribosylamino)methylideneamino] imidazole-4-carboxamide isomerase Q65RC0 UniProtKB Active site 11 11 . . . Note=Proton acceptor;Ontology_term=ECO:0000255;evidence=ECO:0000255|HAMAP-Rule:MF_01014 Q65RC0 UniProtKB Active site 133 133 . . . Note=Proton donor;Ontology_term=ECO:0000255;evidence=ECO:0000255|HAMAP-Rule:MF_01014