##gff-version 3 Q5RGV1 UniProtKB Chain 1 514 . . . ID=PRO_0000415677;Note=Inosine-5'-monophosphate dehydrogenase 1b Q5RGV1 UniProtKB Domain 114 174 . . . Note=CBS 1;Ontology_term=ECO:0000255;evidence=ECO:0000255|HAMAP-Rule:MF_03156 Q5RGV1 UniProtKB Domain 179 237 . . . Note=CBS 2;Ontology_term=ECO:0000255;evidence=ECO:0000255|HAMAP-Rule:MF_03156 Q5RGV1 UniProtKB Active site 331 331 . . . Note=Thioimidate intermediate;Ontology_term=ECO:0000255;evidence=ECO:0000255|HAMAP-Rule:MF_03156 Q5RGV1 UniProtKB Active site 429 429 . . . Note=Proton acceptor;Ontology_term=ECO:0000255;evidence=ECO:0000255|HAMAP-Rule:MF_03156 Q5RGV1 UniProtKB Binding site 274 276 . . . Ontology_term=ECO:0000255;evidence=ECO:0000255|HAMAP-Rule:MF_03156 Q5RGV1 UniProtKB Binding site 324 326 . . . Ontology_term=ECO:0000255;evidence=ECO:0000255|HAMAP-Rule:MF_03156 Q5RGV1 UniProtKB Binding site 326 326 . . . Note=In other chain;Ontology_term=ECO:0000255;evidence=ECO:0000255|HAMAP-Rule:MF_03156 Q5RGV1 UniProtKB Binding site 328 328 . . . Note=In other chain;Ontology_term=ECO:0000255;evidence=ECO:0000255|HAMAP-Rule:MF_03156 Q5RGV1 UniProtKB Binding site 329 329 . . . Ontology_term=ECO:0000255;evidence=ECO:0000255|HAMAP-Rule:MF_03156 Q5RGV1 UniProtKB Binding site 331 331 . . . Note=In other chain;Ontology_term=ECO:0000255;evidence=ECO:0000255|HAMAP-Rule:MF_03156 Q5RGV1 UniProtKB Binding site 364 366 . . . Ontology_term=ECO:0000255;evidence=ECO:0000255|HAMAP-Rule:MF_03156 Q5RGV1 UniProtKB Binding site 387 388 . . . Ontology_term=ECO:0000255;evidence=ECO:0000255|HAMAP-Rule:MF_03156 Q5RGV1 UniProtKB Binding site 411 415 . . . Ontology_term=ECO:0000255;evidence=ECO:0000255|HAMAP-Rule:MF_03156 Q5RGV1 UniProtKB Binding site 441 441 . . . Ontology_term=ECO:0000255;evidence=ECO:0000255|HAMAP-Rule:MF_03156 Q5RGV1 UniProtKB Binding site 500 500 . . . Ontology_term=ECO:0000255;evidence=ECO:0000255|HAMAP-Rule:MF_03156 Q5RGV1 UniProtKB Binding site 501 501 . . . Ontology_term=ECO:0000255;evidence=ECO:0000255|HAMAP-Rule:MF_03156 Q5RGV1 UniProtKB Binding site 502 502 . . . Ontology_term=ECO:0000255;evidence=ECO:0000255|HAMAP-Rule:MF_03156