Hypoxanthine phosphoribosyltransferase/Adenine phosphoribosyltransferase:CRto:Pt:RBC:Qn
hypoxanthine phosphoribosyltransferase/adenine phosphoribosyltransferase:crto:pt:rbc:qn
HPRT/APRT RBC-cRto
hprt/aprt rbc-crto