xanthine phosphoribosyltransferase

Xan phosphoribosyltransferase

xanthosine 5'-phosphate pyrophosphorylase

xanthylate pyrophosphorylase

xanthylic pyrophosphorylase

XMP pyrophosphorylase

5-phospho-alpha-D-ribose-1-diphosphate:xanthine phospho-D-ribosyltransferase

9-(5-phospho-beta-D-ribosyl)xanthine:diphosphate 5-phospho-alpha-D-ribosyltransferase

2.4.2.22