Fig. 2

Schematic diagram of purine and pyrimidine nucleotide catabolism. Abbreviations: AMP, Adenosine monophosphate; AMPD, Adenosine monophosphate deaminase; ATP, Adenosine triphosphate; CTP, Cytidine triphosphate; DHP, Dihydropyrimidinase; DPD, Dihydropyrimidine dehydrogenase; GMP, Guanine monophosphate; GTP, Guanine triphosphate; IMP, Inosine monophosphate; TTP, Thymidine triphosphate; XMP, Xanthosine monophosphate; βUP, β-ureidopropionase