##gff-version 3 P00493 UniProtKB Chain 1 218 . . . ID=PRO_0000139588;Note=Hypoxanthine-guanine phosphoribosyltransferase P00493 UniProtKB Active site 138 138 . . . Note=Proton acceptor;Ontology_term=ECO:0000250;evidence=ECO:0000250 P00493 UniProtKB Binding site 69 69 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250 P00493 UniProtKB Binding site 134 142 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250 P00493 UniProtKB Binding site 166 166 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250 P00493 UniProtKB Binding site 186 188 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250 P00493 UniProtKB Binding site 194 194 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250 P00493 UniProtKB Binding site 194 194 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250 P00493 UniProtKB Modified residue 103 103 . . . Note=N6-acetyllysine;Ontology_term=ECO:0007744;evidence=ECO:0007744|PubMed:23806337;Dbxref=PMID:23806337 P00493 UniProtKB Modified residue 142 142 . . . Note=Phosphothreonine;Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:P27605 P00493 UniProtKB Cross-link 115 115 . . . Note=Glycyl lysine isopeptide (Lys-Gly) (interchain with G-Cter in SUMO1)%3B alternate;Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:P00492 P00493 UniProtKB Cross-link 115 115 . . . Note=Glycyl lysine isopeptide (Lys-Gly) (interchain with G-Cter in SUMO2)%3B alternate;Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:P00492 P00493 UniProtKB Sequence conflict 201 201 . . . Note=D->N;Ontology_term=ECO:0000305;evidence=ECO:0000305