
Keywords: AAH; adenine aminohydrolase; APRT; adenine phosphoribosyltransferase; HGPRT; hypoxanthine-guanine phosphoribosyltransferase; XPRT; xanthine phosphoribosyltransferase; AK; adenosine kinase; dCF; 2â²-deoxycoformycin; ADSS; adenylosuccinate synthetase; EHNA