| Identifier | Protein names | Gene names | Cross reference refseq | Length | Species |
| P33221 | Phosphoribosylglycinamide formyltransferase 2; GART 2; EC 2.1.2.-; 5'-phosphoribosylglycinamide transformylase 2; Formate-dependent GAR transformylase; GAR transformylase 2; | purT; b1849 JW1838; | NP_416363.1;YP_490111.1; | 392 | escherichia-coli |
| P37051 | Formyltetrahydrofolate deformylase; EC 3.5.1.10; Formyl-FH(4) hydrolase; | purU; tgs ychI; b1232 JW1220; | NP_415748.1;YP_489500.1; | 280 | escherichia-coli |
| P09546 | Bifunctional protein PutA; L-glutamate gamma-semialdehyde dehydrogenase; Proline oxidase; EC 1.2.1.88; P5C dehydrogenase; EC 1.5.5.2; | putA; poaA; b1014 JW0999; | NP_415534.1;YP_489287.1; | 1320 | escherichia-coli |
| P23883 | Aldehyde dehydrogenase PuuC; EC 1.2.1.5; 3-hydroxypropionaldehyde dehydrogenase; Gamma-glutamyl-gamma-aminobutyraldehyde dehydrogenase; Gamma-Glu-gamma-aminobutyraldehyde dehydrogenase; | puuC; aldH; b1300 JW1293; | NP_415816.1;YP_489568.1; | 495 | escherichia-coli |
| P78061 | Gamma-glutamylputrescine synthetase PuuA; Gamma-Glu-Put synthetase; EC 6.3.1.11; Glutamate--putrescine ligase; | puuA; ycjK; b1297 JW5201; | NP_415813.4;YP_489565.1; | 472 | escherichia-coli |
| P37906 | Gamma-glutamylputrescine oxidoreductase; Gamma-Glu-Put oxidase; Gamma-glutamylputrescine oxidase; EC 1.4.3.-; | puuB; ordL ycjA; b1301 JW1294; | NP_415817.1;YP_489569.1; | 426 | escherichia-coli |
| P76038 | Gamma-glutamyl-gamma-aminobutyrate hydrolase PuuD; Gamma-Glu-GABA hydrolase; EC 3.5.1.94; | puuD; ycjL; b1298 JW1291; | NP_415814.4;YP_489566.1; | 254 | escherichia-coli |
| P50457 | 4-aminobutyrate aminotransferase PuuE; EC 2.6.1.19; GABA aminotransferase; GABA-AT; Gamma-amino-N-butyrate transaminase; GABA transaminase; Glutamate:succinic semialdehyde transaminase; | puuE; goaG; b1302 JW1295; | NP_415818.1;YP_489570.1; | 421 | escherichia-coli |
| P0A9U6 | HTH-type transcriptional regulator PuuR; | puuR; ycjC; b1299 JW1292; | NP_415815.1;YP_489567.1; | 185 | escherichia-coli |
| P76037 | Putrescine importer PuuP; | puuP; ycjJ; b1296 JW1289; | NP_415812.4;YP_489564.1; | 461 | escherichia-coli |
| P07117 | Sodium/proline symporter; Proline permease; Propionate transporter; | putP; b1015 JW1001; | NP_415535.1;YP_489288.1; | 502 | escherichia-coli |
| P0A786 | Aspartate carbamoyltransferase catalytic chain; EC 2.1.3.2; Aspartate transcarbamylase; ATCase; | pyrB; b4245 JW4204; | NP_418666.1;YP_492385.1; | 311 | escherichia-coli |
| P05020 | Dihydroorotase; DHOase; EC 3.5.2.3; | pyrC; b1062 JW1049; | NP_415580.1;YP_489330.1; | 348 | escherichia-coli |
| P0A7E1 | Dihydroorotate dehydrogenase; quinone; EC 1.3.5.2; DHOdehase; DHOD; DHODase; Dihydroorotate oxidase; | pyrD; b0945 JW0928; | NP_415465.1;YP_489217.1; | 336 | escherichia-coli |
| P0A7E3 | Orotate phosphoribosyltransferase; OPRT; OPRTase; EC 2.4.2.10; | pyrE; b3642 JW3617; | NP_418099.1;YP_491791.1; | 213 | escherichia-coli |
| P08244 | Orotidine 5'-phosphate decarboxylase; EC 4.1.1.23; OMP decarboxylase; OMPDCase; OMPdecase; | pyrF; b1281 JW1273; | NP_415797.1;YP_489549.1; | 245 | escherichia-coli |
| P0A7E5 | CTP synthase; EC 6.3.4.2; CTP synthetase; UTP--ammonia ligase; | pyrG; b2780 JW2751; | NP_417260.1;YP_490988.1; | 545 | escherichia-coli |
| P0A7E9 | Uridylate kinase; UK; EC 2.7.4.22; Uridine monophosphate kinase; UMP kinase; UMPK; | pyrH; smbA; b0171 JW0166; | NP_414713.1;YP_488473.1; | 241 | escherichia-coli |
| P0A7F3 | Aspartate carbamoyltransferase regulatory chain; | pyrI; b4244 JW4203; | NP_418665.1;YP_492384.1; | 153 | escherichia-coli |
| P28304 | Quinone oxidoreductase 1; EC 1.6.5.5; NADPH:quinone reductase 1; Zeta-crystallin homolog protein; | qorA; hcz qor qor1; b4051 JW4011; | NP_418475.1;YP_492194.1; | 327 | escherichia-coli |
