##gff-version 3
Q3SZ18	UniProtKB	Initiator methionine	1	1	.	.	.	Note=Removed;Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:P00492	
Q3SZ18	UniProtKB	Chain	2	218	.	.	.	ID=PRO_0000257812;Note=Hypoxanthine-guanine phosphoribosyltransferase	
Q3SZ18	UniProtKB	Active site	138	138	.	.	.	Note=Proton acceptor;Ontology_term=ECO:0000250;evidence=ECO:0000250	
Q3SZ18	UniProtKB	Binding site	69	69	.	.	.	Ontology_term=ECO:0000250;evidence=ECO:0000250	
Q3SZ18	UniProtKB	Binding site	134	142	.	.	.	Ontology_term=ECO:0000250;evidence=ECO:0000250	
Q3SZ18	UniProtKB	Binding site	166	166	.	.	.	Ontology_term=ECO:0000250;evidence=ECO:0000250	
Q3SZ18	UniProtKB	Binding site	186	188	.	.	.	Ontology_term=ECO:0000250;evidence=ECO:0000250	
Q3SZ18	UniProtKB	Binding site	194	194	.	.	.	Ontology_term=ECO:0000250;evidence=ECO:0000250	
Q3SZ18	UniProtKB	Binding site	194	194	.	.	.	Ontology_term=ECO:0000250;evidence=ECO:0000250	
Q3SZ18	UniProtKB	Modified residue	2	2	.	.	.	Note=N-acetylalanine;Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:P00492	
Q3SZ18	UniProtKB	Modified residue	103	103	.	.	.	Note=N6-acetyllysine;Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:P00493	
Q3SZ18	UniProtKB	Modified residue	142	142	.	.	.	Note=Phosphothreonine;Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:P27605	
Q3SZ18	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	
Q3SZ18	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