| Identifier | Protein names | Gene names | Cross reference refseq | Length | Species |
| P69829 | Nitrogen regulatory protein; EC 2.7.1.-; Enzyme IIA-NTR; PTS system EIIA component; Phosphotransferase enzyme IIA component; | ptsN; rpoP yhbI; b3204 JW3171; | NP_417671.1;YP_491389.1; | 163 | escherichia-coli |
| P0A9N0 | Phosphocarrier protein NPr; EC 2.7.11.-; Nitrogen-related HPr; | ptsO; npr rpoR yhbK; b3206 JW3173; | NP_417673.1;YP_491391.1; | 90 | escherichia-coli |
| P36672 | PTS system trehalose-specific EIIBC component; EIIBC-Tre; EII-Tre; PTS system trehalose-specific EIIC component; PTS system trehalose-specific EIIB component; EC 2.7.1.69; | treB; b4240 JW4199; | NP_418661.1;YP_492380.1; | 473 | escherichia-coli |
| P08722 | PTS system beta-glucoside-specific EIIBCA component; EIIBCA-Bgl; EII-Bgl; PTS system beta-glucoside-specific EIIA component; PTS system beta-glucoside-specific EIIC component; PTS system beta-glucoside-specific EIIB component; EC 2.7.1.-; EC 2.7.1.69; | bglF; bglC bglS; b3722 JW3700; | NP_418178.1;YP_491707.1; | 625 | escherichia-coli |
| P09323 | PTS system N-acetylglucosamine-specific EIICBA component; EIICBA-Nag; EII-Nag; PTS system N-acetylglucosamine-specific EIIA component; PTS system N-acetylglucosamine-specific EIIB component; PTS system N-acetylglucosamine-specific EIIC component; EC 2.7.1盽?盾 | nagE; pstN; b0679 JW0665; | NP_415205.1;YP_488959.1; | 648 | escherichia-coli |
| P69789 | Phosphotransferase enzyme IIB component GlvB; EC 2.7.1.69; PTS system EIIB component; | glvB; glvC; b3682 JW3659; | YP_491753.1; | 161 | escherichia-coli |
| P31452 | Putative permease IIC component GlvC; PTS system EIIC component; | glvC; b3683 JW3660; | YP_491752.1; | 368 | escherichia-coli |
| P77272 | PTS system N-acetylmuramic acid-specific EIIBC component; EIIBC-MurNAc; PTS system N-acetylmuramic acid-specific EIIC component; PTS system N-acetylmuramic acid-specific EIIB component; EC 2.7.1.69; | murP; yfeV; b2429 JW2422; | NP_416924.1;YP_490665.1; | 474 | escherichia-coli |
| P0AG16 | Amidophosphoribosyltransferase; ATase; EC 2.4.2.14; Glutamine phosphoribosylpyrophosphate amidotransferase; GPATase; | purF; b2312 JW2309; | NP_416815.1;YP_490554.1; | 505 | escherichia-coli |
| P15640 | Phosphoribosylamine--glycine ligase; EC 6.3.4.13; GARS; Glycinamide ribonucleotide synthetase; Phosphoribosylglycinamide synthetase; | purD; b4005 JW3969; | NP_418433.1;YP_491455.1; | 429 | escherichia-coli |
| P08179 | Phosphoribosylglycinamide formyltransferase; EC 2.1.2.2; 5'-phosphoribosylglycinamide transformylase; GAR transformylase; GART; | purN; b2500 JW2485; | NP_416995.1;YP_490728.1; | 212 | escherichia-coli |
| P15254 | Phosphoribosylformylglycinamidine synthase; FGAM synthase; FGAMS; EC 6.3.5.3; Formylglycinamide ribonucleotide amidotransferase; FGAR amidotransferase; FGAR-AT; | purL; purI; b2557 JW2541; | YP_026170.1;YP_490785.1; | 1295 | escherichia-coli |
| P08178 | Phosphoribosylformylglycinamidine cyclo-ligase; EC 6.3.3.1; AIR synthase; AIRS; Phosphoribosyl-aminoimidazole synthetase; | purM; purG; b2499 JW2484; | NP_416994.1;YP_490727.1; | 345 | escherichia-coli |
| P0A7D7 | Phosphoribosylaminoimidazole-succinocarboxamide synthase; EC 6.3.2.6; SAICAR synthetase; | purC; b2476 JW2461; | NP_416971.1;YP_490704.1; | 237 | escherichia-coli |
| P0AB89 | Adenylosuccinate lyase; ASL; EC 4.3.2.2; Adenylosuccinase; ASase; | purB; b1131 JW1117; | NP_415649.1;YP_489399.1; | 456 | escherichia-coli |
| P15639 | Bifunctional purine biosynthesis protein PurH; Inosinicase; AICAR transformylase; IMP synthase; ATIC; EC 3.5.4.10; EC 2.1.2.3; | purH; b4006 JW3970; | NP_418434.1;YP_491454.1; | 529 | escherichia-coli |
| P0A7D4 | Adenylosuccinate synthetase; AMPSase; AdSS; EC 6.3.4.4; IMP--aspartate ligase; | purA; adeK; b4177 JW4135; | NP_418598.1;YP_492319.1; | 432 | escherichia-coli |
| P0AG18 | N5-carboxyaminoimidazole ribonucleotide mutase; N5-CAIR mutase; EC 5.4.99.18; 5-(carboxyamino)imidazole ribonucleotide mutase; | purE; b0523 JW0512; | NP_415056.1;YP_488812.1; | 169 | escherichia-coli |
| P09029 | N5-carboxyaminoimidazole ribonucleotide synthase; N5-CAIR synthase; EC 6.3.4.18; 5-(carboxyamino)imidazole ribonucleotide synthetase; | purK; b0522 JW0511; | NP_415055.1;YP_488811.1; | 355 | escherichia-coli |
| P0ACP7 | HTH-type transcriptional repressor PurR; Pur regulon repressor; Purine nucleotide synthesis repressor; | purR; b1658 JW1650; | NP_416175.1;YP_489922.1; | 341 | escherichia-coli |
