K00764  purF, PPAT; amidophosphoribosyltransferase [EC:2.4.2.14]
         K01945  purD; phosphoribosylamine--glycine ligase [EC:6.3.4.13]
         K11787  GART; phosphoribosylamine--glycine ligase / phosphoribosylglycinamide formyltransferase / phosphoribosylformylglycinamidine cyclo-ligase [EC:6.3.4.13 2.1.2.2 6.3.3.1]
         K11788  ADE5; phosphoribosylamine--glycine ligase / phosphoribosylformylglycinamidine cyclo-ligase [EC:6.3.4.13 6.3.3.1]
         K13713  purCD; fusion protein PurCD [EC:6.3.2.6 6.3.4.13]
         K00601  E2.1.2.2; phosphoribosylglycinamide formyltransferase [EC:2.1.2.2]
         K11175  purN; phosphoribosylglycinamide formyltransferase 1 [EC:2.1.2.2]
         K08289  purT; phosphoribosylglycinamide formyltransferase 2 [EC:2.1.2.2]
         K01952  purL, PFAS; phosphoribosylformylglycinamidine synthase [EC:6.3.5.3]
         K01933  purM; phosphoribosylformylglycinamidine cyclo-ligase [EC:6.3.3.1]
         K01587  PAICS; phosphoribosylaminoimidazole carboxylase / phosphoribosylaminoimidazole-succinocarboxamide synthase [EC:4.1.1.21 6.3.2.6]
         K11808  ADE2; phosphoribosylaminoimidazole carboxylase [EC:4.1.1.21]
         K01589  purK; 5-(carboxyamino)imidazole ribonucleotide synthase [EC:6.3.4.18]
         K01588  purE; 5-(carboxyamino)imidazole ribonucleotide mutase [EC:5.4.99.18]
         K01923  purC; phosphoribosylaminoimidazole-succinocarboxamide synthase [EC:6.3.2.6]
         K01756  purB, ADSL; adenylosuccinate lyase [EC:4.3.2.2]
         K00602  purH; phosphoribosylaminoimidazolecarboxamide formyltransferase / IMP cyclohydrolase [EC:2.1.2.3 3.5.4.10]
         K01492  E2.1.2.3; phosphoribosylaminoimidazolecarboxamide formyltransferase [EC:2.1.2.3]
         K06863  purP; 5-formaminoimidazole-4-carboxamide-1-(beta)-D-ribofuranosyl 5'-monophosphate synthetase [EC:6.3.4.-]
         K11176  purO; IMP cyclohydrolase [EC:3.5.4.10]