##gff-version 3 P47996 UniProtKB Initiator methionine 1 1 . . . Note=Removed;Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:Q9SA34 P47996 UniProtKB Chain 2 503 . . . ID=PRO_0000093686;Note=Inosine-5'-monophosphate dehydrogenase 1 P47996 UniProtKB Domain 167 225 . . . Note=CBS;Ontology_term=ECO:0000255;evidence=ECO:0000255|HAMAP-Rule:MF_03156 P47996 UniProtKB Active site 322 322 . . . Note=Thioimidate intermediate;Ontology_term=ECO:0000255;evidence=ECO:0000255|HAMAP-Rule:MF_03156 P47996 UniProtKB Active site 418 418 . . . Note=Proton acceptor;Ontology_term=ECO:0000255;evidence=ECO:0000255|HAMAP-Rule:MF_03156 P47996 UniProtKB Binding site 265 267 . . . Ontology_term=ECO:0000255;evidence=ECO:0000255|HAMAP-Rule:MF_03156 P47996 UniProtKB Binding site 315 317 . . . Ontology_term=ECO:0000255;evidence=ECO:0000255|HAMAP-Rule:MF_03156 P47996 UniProtKB Binding site 317 317 . . . Note=In other chain;Ontology_term=ECO:0000255;evidence=ECO:0000255|HAMAP-Rule:MF_03156 P47996 UniProtKB Binding site 319 319 . . . Note=In other chain;Ontology_term=ECO:0000255;evidence=ECO:0000255|HAMAP-Rule:MF_03156 P47996 UniProtKB Binding site 320 320 . . . Ontology_term=ECO:0000255;evidence=ECO:0000255|HAMAP-Rule:MF_03156 P47996 UniProtKB Binding site 322 322 . . . Note=In other chain;Ontology_term=ECO:0000255;evidence=ECO:0000255|HAMAP-Rule:MF_03156 P47996 UniProtKB Binding site 355 357 . . . Ontology_term=ECO:0000255;evidence=ECO:0000255|HAMAP-Rule:MF_03156 P47996 UniProtKB Binding site 378 379 . . . Ontology_term=ECO:0000255;evidence=ECO:0000255|HAMAP-Rule:MF_03156 P47996 UniProtKB Binding site 402 406 . . . Ontology_term=ECO:0000255;evidence=ECO:0000255|HAMAP-Rule:MF_03156 P47996 UniProtKB Binding site 430 430 . . . Ontology_term=ECO:0000255;evidence=ECO:0000255|HAMAP-Rule:MF_03156 P47996 UniProtKB Binding site 489 489 . . . Ontology_term=ECO:0000255;evidence=ECO:0000255|HAMAP-Rule:MF_03156 P47996 UniProtKB Binding site 490 490 . . . Ontology_term=ECO:0000255;evidence=ECO:0000255|HAMAP-Rule:MF_03156 P47996 UniProtKB Binding site 491 491 . . . Ontology_term=ECO:0000255;evidence=ECO:0000255|HAMAP-Rule:MF_03156 P47996 UniProtKB Modified residue 2 2 . . . Note=N-acetylserine;Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:Q9SA34