##gff-version 3 P41390 UniProtKB Initiator methionine 1 1 . . . Note=Removed;Ontology_term=ECO:0000250;evidence=ECO:0000250 P41390 UniProtKB Chain 2 533 . . . ID=PRO_0000139646;Note=Amidophosphoribosyltransferase P41390 UniProtKB Domain 2 238 . . . Note=Glutamine amidotransferase type-2;Ontology_term=ECO:0000255;evidence=ECO:0000255|PROSITE-ProRule:PRU00609 P41390 UniProtKB Active site 2 2 . . . Note=Nucleophile;Ontology_term=ECO:0000255;evidence=ECO:0000255|PROSITE-ProRule:PRU00609 P41390 UniProtKB Binding site 383 383 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250 P41390 UniProtKB Binding site 384 384 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250 P41390 UniProtKB Modified residue 506 506 . . . Note=Phosphoserine;Ontology_term=ECO:0000269;evidence=ECO:0000269|PubMed:18257517;Dbxref=PMID:18257517