Gene # Gene Name Description EC number Coding type Optional coding type SSO0026 purT Phosphoribosylglycinamide formyltransferase 2 2.1.2.- Purines SSO0240 purB Adenylosuccinate lyase (adenylosuccinase)(ASL) 4.3.2.2 Purines SSO0242 purA Adenylosuccinate synthase (IMP--aspartate ligase) 6.3.4.4 Purines SSO0364 folE GTP cyclohydrolase I 3.5.4.16 Purines SSO0505 iunH-1 Purine nucleosidase, putative 3.2.2.1 Purines SSO0626 purC Phosphoribosylaminoimidazole-succinocarboxamide synthase (SAICAR synthetase) 6.3.2.6 Purines SSO0628 purQ Phosphoribosylformylglycinamidine synthase I (FGAM synthase I) 6.3.5.3 Purines SSO0629 purL Phosphoribosylformylglycinamidine synthase II (FGAM synthase II) 6.3.5.3 Purines SSO0632 purF-1 Amidophosphoribosyltransferase (glutamine phosphoribosylpyrophosphate amidotransferase) (ATase) (GPAT) 2.4.2.14 Purines SSO0633 purF-2 Amidophosphoribosyltransferase (glutamine phosphoribosylpyrophosphate amidotransferase) (ATase) (GPAT) 2.4.2.14 Purines SSO0635 purD Phosphoribosylamine--glycine ligase (GAR synthetase) (GARS) 6.3.4.13 Purines SSO0636 purM Phosphoribosylformylglycinamidine cyclo-ligase (AIR synthetase) (AIRS) 6.3.3.1 Purines SSO0694 adkA Adenylate kinase 2.7.4.3 Purines SSO0929 nrd Ribonucleotide reductase 1.17.4.1 Purines SSO1041 adkA-like Adenylate kinase related protein 2.7.4.3 Purines SSO1064 purE Phosphoribosylaminoimidazole carboxylase catalytic subunit 4.1.1.21 Purines SSO1065 purK Phosphoribosylaminoimidazole carboxylase ATPase subunit 4.1.1.21 Purines SSO1519 deoD Purine nucleoside phosporylase 2.4.2.1 Purines SSO2243 iunH-2 Purine nucleosidase, putative 3.2.2.1 Purines SSO2342 gpT-1 Purine phosphoribosyltransferase 2.4.2.- Purines SSO2343 mtaP 5'-methylthioadenosine phosphorylase 2.4.2.28 Purines SSO2424 gpT-2 Purine phosphoribosyltransferase 2.4.2.- Purines SSO2451 guaA GMP synthase, glutamine amidotransferase domain 6.3.5.2 Purines SSO2498 nrdB Ribonuleotide reductase small subunit, probable 1.17.4.1 Purines SSO2706 mtaP 5'-methylthioadenosine phosphorylase 2.4.2.28 Purines SSO3232 guaA GMP synthase, PP-ATPase domain 6.3.5.2 Purines SSO0190 dcD-1 Deoxycytidine triphosphate deaminase 3.5.4.13 Pyrimidines SSO0201 pyrG CTP synthetase (UTP-ammonia lyase) 6.3.4.2 Pyrimidines SSO0610 pyrD Dihydroorotate dehydrogenase (dihydroorotate oxidase) (DHOdehase) 1.3.3.1 Pyrimidines SSO0611 pyrC Dihydroorotase (carbamoylaspartic dehydrase) (DHOase) 3.5.2.3 Pyrimidines SSO0613 pyrI Aspartate carbamoyltransferase regulatory chain 2.1.3.2 Pyrimidines SSO0614 pyrB Aspartate carbamoyltransferase catalytic chain (ATCase) 2.1.3.2 Pyrimidines SSO0615 pyrE Orotate phosphoribosyltransferase (OPRT) 2.4.2.10 Pyrimidines SSO0616 pyrF Orotidine 5'-phosphate decarboxylase (OMP decarboxylase) (OMPdcase) 4.1.1.23 Pyrimidines SSO0692 cmK Cytidylate kinase 2.7.4.14 Pyrimidines SSO0780 tmK-1 Thymidylate kinase 2.7.4.9. Pyrimidines SSO0976 pyrH Uridylate kinase 2.7.4.- Pyrimidines SSO1191 Thymidylate kinase related protein 2.7.4.9 Pyrimidines SSO1192 tmK-2 Thymidylate kinase 2.7.4.9 Pyrimidines SSO2222 trxB-1 Thioredoxin reductase 1.6.4.5 Pyrimidines SSO2416 trxB-3 Thioredoxin reductase 1.6.4.5 Pyrimidines SSO2765 trxB-2 Thioredoxin reductase 1.6.4.5 Pyrimidines SSO2770 codA Cytosine deaminase 3.5.4.1 Pyrimidines SSO2954 dcD-2 Deoxycytidine triphosphate deaminase 3.5.4.13 Pyrimidines