Purines, pyrimidines, nucleosides, and nucleotides

phosphopentomutase (RefSeq)

hypothetical protein (RefSeq)

guanine deaminase (RefSeq)

uracil phosphoribosyltransferase (RefSeq)

orotidine 5'-phosphate decarboxylase (RefSeq)

ribonucleoside-diphosphate reductase, adenosylcobalamin-dependent, large subunit (RefSeq)

carbamoyl phosphate synthase, large subunit (RefSeq)

adenylosuccinate synthetase (RefSeq)

adenylosuccinate lyase (RefSeq)

carbamoyl phosphate synthetase, glutamine amidotransferase small subunit (RefSeq)