##gff-version 3 P50094 UniProtKB Chain 1 524 . . . ID=PRO_0000093684;Note=Inosine-5'-monophosphate dehydrogenase 4 P50094 UniProtKB Domain 122 183 . . . Note=CBS 1;Ontology_term=ECO:0000255;evidence=ECO:0000255|HAMAP-Rule:MF_03156 P50094 UniProtKB Domain 185 241 . . . Note=CBS 2;Ontology_term=ECO:0000255;evidence=ECO:0000255|HAMAP-Rule:MF_03156 P50094 UniProtKB Active site 336 336 . . . Note=Thioimidate intermediate;Ontology_term=ECO:0000255;evidence=ECO:0000255|HAMAP-Rule:MF_03156 P50094 UniProtKB Active site 438 438 . . . Note=Proton acceptor;Ontology_term=ECO:0000255;evidence=ECO:0000255|HAMAP-Rule:MF_03156 P50094 UniProtKB Binding site 279 281 . . . Ontology_term=ECO:0000255;evidence=ECO:0000255|HAMAP-Rule:MF_03156 P50094 UniProtKB Binding site 329 331 . . . Ontology_term=ECO:0000255;evidence=ECO:0000255|HAMAP-Rule:MF_03156 P50094 UniProtKB Binding site 331 331 . . . Note=In other chain;Ontology_term=ECO:0000255;evidence=ECO:0000255|HAMAP-Rule:MF_03156 P50094 UniProtKB Binding site 333 333 . . . Note=In other chain;Ontology_term=ECO:0000255;evidence=ECO:0000255|HAMAP-Rule:MF_03156 P50094 UniProtKB Binding site 334 334 . . . Ontology_term=ECO:0000255;evidence=ECO:0000255|HAMAP-Rule:MF_03156 P50094 UniProtKB Binding site 336 336 . . . Note=In other chain;Ontology_term=ECO:0000255;evidence=ECO:0000255|HAMAP-Rule:MF_03156 P50094 UniProtKB Binding site 369 371 . . . Ontology_term=ECO:0000255;evidence=ECO:0000255|HAMAP-Rule:MF_03156 P50094 UniProtKB Binding site 392 393 . . . Ontology_term=ECO:0000255;evidence=ECO:0000255|HAMAP-Rule:MF_03156 P50094 UniProtKB Binding site 416 420 . . . Ontology_term=ECO:0000255;evidence=ECO:0000255|HAMAP-Rule:MF_03156 P50094 UniProtKB Binding site 450 450 . . . Ontology_term=ECO:0000255;evidence=ECO:0000255|HAMAP-Rule:MF_03156 P50094 UniProtKB Binding site 509 509 . . . Ontology_term=ECO:0000255;evidence=ECO:0000255|HAMAP-Rule:MF_03156 P50094 UniProtKB Binding site 510 510 . . . Ontology_term=ECO:0000255;evidence=ECO:0000255|HAMAP-Rule:MF_03156 P50094 UniProtKB Binding site 511 511 . . . Ontology_term=ECO:0000255;evidence=ECO:0000255|HAMAP-Rule:MF_03156 P50094 UniProtKB Modified residue 125 125 . . . Note=Phosphoserine;Ontology_term=ECO:0007744;evidence=ECO:0007744|PubMed:18407956;Dbxref=PMID:18407956