| Identifier | Protein names | Gene names | Cross reference refseq | Length | Species |
| P37013 | Anaerobic nitric oxide reductase transcription regulator NorR; | norR; ygaA; b2709 JW5843; | NP_417189.2;YP_490918.1; | 504 | escherichia-coli |
| Q46877 | Anaerobic nitric oxide reductase flavorubredoxin; FlRd; FlavoRb; | norV; flrD ygaI ygaJ ygaK; b2710 JW2680; | NP_417190.1;YP_490919.1; | 479 | escherichia-coli |
| P37596 | Nitric oxide reductase FlRd-NAD(+) reductase; EC 1.18.1.-; Flavorubredoxin reductase; FlRd-reductase; FlavoRb reductase; | norW; flrR ygbD; b2711 JW2681; | NP_417191.1;YP_490920.1; | 377 | escherichia-coli |
| P75960 | NAD-dependent protein deacylase; EC 3.5.1.-; Regulatory protein SIR2 homolog; | cobB; ycfY; b1120 JW1106; | NP_415638.2;YP_489388.1; | 242 | escherichia-coli |
| P0A8G6 | NAD(P)H dehydrogenase; quinone; EC 1.6.5.2; Flavoprotein WrbA; NAD(P)H:quinone oxidoreductase; NQO; | wrbA; b1004 JW0989; | NP_415524.1;YP_489277.1; | 198 | escherichia-coli |
| P28903 | Anaerobic ribonucleoside-triphosphate reductase; EC 1.17.4.2; | nrdD; b4238 JW4197; | NP_418659.1;YP_492378.1; | 712 | escherichia-coli |
| P0A9N8 | Anaerobic ribonucleoside-triphosphate reductase-activating protein; EC 1.97.1.-; Class III anaerobic ribonucleotide reductase small component; | nrdG; yjgE; b4237 JW4196; | NP_418658.1;YP_492377.1; | 154 | escherichia-coli |
| P0AC65 | Glutaredoxin-like protein NrdH; | nrdH; ygaN; b2673 JW2648; | NP_417159.1;YP_490888.1; | 81 | escherichia-coli |
| P0A772 | Protein NrdI; | nrdI; ygaO; b2674 JW2649; | NP_417160.1;YP_490889.1; | 136 | escherichia-coli |
| P0A8D0 | Transcriptional repressor NrdR; | nrdR; ybaD; b0413 JW0403; | NP_414947.1;YP_488705.1; | 149 | escherichia-coli |
| P0ABK9 | Cytochrome c-552; EC 1.7.2.2; Ammonia-forming cytochrome c nitrite reductase; Cytochrome c nitrite reductase; | nrfA; b4070 JW4031; | NP_418494.1;YP_492213.1; | 478 | escherichia-coli |
| P0ABL1 | Cytochrome c-type protein NrfB; | nrfB; yjcI; b4071 JW4032; | NP_418495.2;YP_492214.1; | 188 | escherichia-coli |
| P0AAK7 | Protein NrfC; | nrfC; yjcJ; b4072 JW4033; | NP_418496.1;YP_492215.1; | 223 | escherichia-coli |
| P32709 | Protein NrfD; | nrfD; yjcK; b4073 JW4034; | NP_418497.1;YP_492216.1; | 318 | escherichia-coli |
| P32710 | Cytochrome c-type biogenesis protein NrfE; | nrfE; yjcL; b4074 JW4035; | NP_418498.1;YP_492217.1; | 552 | escherichia-coli |
| P32711 | Formate-dependent nitrite reductase complex subunit NrfF; | nrfF; yjcM; b4075 JW4036; | NP_418499.1;YP_492218.1; | 127 | escherichia-coli |
| P32712 | Formate-dependent nitrite reductase complex subunit NrfG; | nrfG; yjcN; b4076 JW4037; | NP_418500.1;YP_492219.1; | 198 | escherichia-coli |
| P0AF63 | HTH-type transcriptional repressor NsrR; | nsrR; yjeB; b4178 JW4136; | NP_418599.1;YP_492320.1; | 141 | escherichia-coli |
| P0AFB5 | Nitrogen regulation protein NR(II; EC 2.7.13.3; | glnL; glnR ntrB; b3869 JW3840; | NP_418305.1;YP_491581.1; | 349 | escherichia-coli |
| P0AFB8 | Nitrogen regulation protein NR(I; | glnG; glnT ntrC; b3868 JW3839; | NP_418304.1;YP_491582.1; | 469 | escherichia-coli |
