xanthine phosphoribosyltransferase activity
xanthine phosphoribosyltransferase activity
5-phospho-alpha-D-ribose-1-diphosphate:xanthine phospho-D-ribosyltransferase activity
5-phospho-alpha-d-ribose-1-diphosphate:xanthine phospho-d-ribosyltransferase activity