| Orth | Species | Gene | Name | Description | Fitness | %Id | Cov |
| | Pseudomonas simiae WCS417 | PS417_28010 | | pyridine nucleotide-disulfide oxidoreductase | insig. | 100 | 100 |
| o | Pseudomonas fluorescens SBW25 | PFLU_RS29700 | | pyridine nucleotide-disulfide oxidoreductase | insig. | 99 | 100 |
| o | Pseudomonas fluorescens SBW25-INTG | PFLU_RS29700 | | pyridine nucleotide-disulfide oxidoreductase | sig. | 99 | 100 |
| o | Pseudomonas lactucae CFBP13502 | GEMAOFIL_00070 | | Rubredoxin-NAD(+) reductase | insig. | 97 | 100 |
| o | Pseudomonas orientalis W4I3 | QF045_RS02375 | | FAD-dependent oxidoreductase | insig. | 94 | 100 |
| o | Pseudomonas fluorescens FW300-N2E2 | Pf6N2E2_4060 | | Rubredoxin-NAD(+) reductase (EC 1.18.1.1) | sig. | 92 | 100 |
| o | Pseudomonas fluorescens GW456-L13 | PfGW456L13_768 | | Rubredoxin-NAD(+) reductase (EC 1.18.1.1) | insig. | 92 | 100 |
| o | Pseudomonas sp. RS175 | PFR28_04474 | | Rubredoxin-NAD(+) reductase | insig. | 92 | 100 |
| o | Pseudomonas fluorescens FW300-N2C3 | AO356_10975 | | pyridine nucleotide-disulfide oxidoreductase | insig. | 93 | 100 |
| o | Pseudomonas fluorescens FW300-N1B4 | Pf1N1B4_2050 | | Rubredoxin-NAD(+) reductase (EC 1.18.1.1) | sig. | 91 | 100 |
| o | Pseudomonas fluorescens FW300-N2E3 | AO353_09830 | | pyridine nucleotide-disulfide oxidoreductase | sig. | 92 | 100 |
| o | Pseudomonas sp. DMC3 | GFF465 | | Rubredoxin-NAD(+) reductase | cofit | 90 | 100 |
| o | Pseudomonas sp. SVBP6 | COO64_RS01645 | | NAD(P)/FAD-dependent oxidoreductase | insig. | 86 | 100 |
| o | Pseudomonas syringae pv. syringae B728a | Psyr_5028 | | FAD-dependent pyridine nucleotide-disulfide oxidoreductase | insig. | 86 | 100 |
| o | Pseudomonas syringae pv. syringae B728a ΔmexB | Psyr_5028 | | FAD-dependent pyridine nucleotide-disulfide oxidoreductase | insig. | 86 | 100 |
| o | Pseudomonas putida KT2440 | PP_5314 | | Rubredoxin-NAD(+) reductase | strong | 82 | 100 |
| o | Pseudomonas sp. BP01 | JOY50_RS08925 | | NAD(P)/FAD-dependent oxidoreductase | insig. | 81 | 100 |
| o | Pseudomonas segetis P6 | ACVTMO_RS00500 | | NAD(P)/FAD-dependent oxidoreductase | insig. | 80 | 100 |
| o | Pseudomonas aeruginosa MRSN321 | DY961_RS12640 | alkT;inference=COORDINATES | rubredoxin-NAD(+) reductase AlkT | insig. | 81 | 99 |
| o | Pseudomonas aeruginosa PA14 | IKLFDK_26710 | | Rubredoxin-NAD(+) reductase | strong | 81 | 99 |
| o | Pseudomonas aeruginosa PUPa3 | DQ20_RS49490 | alkT;inference=COORDINATES | rubredoxin-NAD(+) reductase AlkT | sig. | 81 | 99 |
| o | Pseudomonas stutzeri RCH2 | Psest_3834 | | NAD(P)H-nitrite reductase | strong | 72 | 100 |
| o | Marinobacter adhaerens HP15 | HP15_3349 | | FAD-dependent pyridine nucleotide-disulfide oxidoreductase | insig. | 58 | 99 |
| o | Cupriavidus basilensis FW507-4G11 | RR42_RS03925 | | hypothetical protein | insig. | 52 | 98 |
| o | Magnetospirillum magneticum AMB-1 | AMB_RS17335 | | N-acyl-L-homoserine lactone synthetase | cofit | 47 | 99 |
| o | Acinetobacter radioresistens SK82 | MPMX26_02332 | | Rubredoxin-NAD(+) reductase | cofit | 43 | 99 |
| o | Acinetobacter baumannii LAC-4 | RR41_RS08900 | | FAD-dependent oxidoreductase | insig. | 41 | 99 |
| | Pseudomonas segetis P6 | ACVTMO_RS12095 | | FAD-dependent oxidoreductase | insig. | 41 | 95 |
| | Pseudomonas putida KT2440 | PP_5371 | | Rubredoxin/rubredoxin reductase | insig. | 42 | 96 |
| o | Klebsiella pneumoniae MKP103 | KDGMDA_02930 | | NADH:flavorubredoxin reductase NorW | insig. | 36 | 99 |
| o | Klebsiella pneumoniae MRSN742743 | KFA93_RS18880 | norW;go_function=oxidoreductase | NADH:flavorubredoxin reductase NorW | sig. | 36 | 99 |
| o | Pectobacterium carotovorum WPP14 | HER17_RS17135 | | NADH:flavorubredoxin reductase NorW | insig. | 34 | 98 |
| o | Dickeya dianthicola ME23 | DZA65_RS04405 | | NADH:flavorubredoxin reductase NorW | insig. | 34 | 99 |
| o | Dickeya dianthicola 67-19 | HGI48_RS04485 | | NADH:flavorubredoxin reductase NorW | insig. | 34 | 99 |
| o | Klebsiella michiganensis M5al | BWI76_RS22265 | | NADH:flavorubredoxin oxidoreductase | sig. | 34 | 99 |
| o | Escherichia coli ECOR27 | NOLOHH_12485 | norW | NADH:flavorubredoxin reductase NorW | insig. | 34 | 99 |
| o | Escherichia coli ECOR38 | HEPCGN_19840 | norW | NADH:flavorubredoxin reductase NorW | insig. | 34 | 99 |
| o | Escherichia coli ECRC62 | BNILDI_11045 | norW | NADH:flavorubredoxin reductase NorW | insig. | 34 | 99 |
| o | Escherichia coli BW25113 | b2711 | norW | nitric oxide reductase (NCBI) | insig. | 34 | 99 |
| o | Escherichia fergusonii Becca | EFB2_01213 | | Nitric oxide reductase FlRd-NAD(+) reductase | insig. | 34 | 99 |
| o | Escherichia coli HS(pFamp)R (ATCC 700891) | OHPLBJKB_01023 | | Nitric oxide reductase FlRd-NAD(+) reductase | insig. | 34 | 99 |
| o | Dickeya dadantii 3937 | DDA3937_RS04525 | | NADH:flavorubredoxin reductase NorW | insig. | 33 | 99 |
| o | Escherichia coli ECRC100 | OKFHMN_20640 | norW | NADH:flavorubredoxin reductase NorW | insig. | 34 | 99 |
| o | Escherichia coli ECRC101 | MCAODC_11165 | norW | NADH:flavorubredoxin reductase NorW | insig. | 34 | 99 |
| o | Escherichia coli ECRC102 | NIAGMN_18410 | norW | NADH:flavorubredoxin reductase NorW | insig. | 34 | 99 |
| o | Escherichia coli ECRC98 | JDDGAC_24305 | norW | NADH:flavorubredoxin reductase NorW | insig. | 34 | 99 |
| o | Escherichia coli ECRC99 | KEDOAH_07495 | norW | NADH:flavorubredoxin reductase NorW | no data | 34 | 99 |
| o | Escherichia coli BL21 | ECD_02561 | | NADH:flavorubredoxin oxidoreductase | insig. | 34 | 99 |
| | Escherichia coli Nissle 1917 | ECOLIN_RS15125 | | NADH:flavorubredoxin reductase NorW | no data | 34 | 99 |
| | Escherichia coli Nissle 1917 | ECOLIN_RS15140 | | NADH:flavorubredoxin reductase NorW | no data | 34 | 99 |
| | Escherichia coli Nissle 1917 | ECOLIN_RS15150 | | NADH:flavorubredoxin reductase NorW | no data | 34 | 99 |
| o | Enterobacter sp. TBS_079 | MPMX20_03595 | | Nitric oxide reductase FlRd-NAD(+) reductase | insig. | 34 | 99 |
| o | Salmonella enterica subsp. enterica serovar Typhimurium str. MS1868 | GFF4705 | | Nitric oxide reductase FlRd-NAD(+) reductase (EC 1.18.1.-) | insig. | 33 | 99 |
| o | Enterobacter asburiae PDN3 | EX28DRAFT_2800 | | Pyridine nucleotide-disulphide oxidoreductase | insig. | 33 | 99 |
| | Hydrogenophaga sp. GW460-11-11-14-LB1 | GFF1934 | | Rubredoxin-NAD(+) reductase (EC 1.18.1.1) | insig. | 36 | 75 |
| | Bacteroides stercoris CC31F | HMPREF1181_RS10765 | | FAD-dependent oxidoreductase | cofit | 33 | 68 |
| | Sinorhizobium meliloti 1021 | SM_b20984 | | Nitrite reductase (NAD(P)H) (EC 1.7.1.4) (from data) | strong | 31 | 82 |
| | Parabacteroides merdae CL09T00C40 | HMPREF1078_RS15950 | | FAD-dependent oxidoreductase | insig. | 30 | 84 |
| | Agrobacterium fabrum C58 | Atu3902 | | nitrite reductase large subunit | strong | 31 | 80 |
| | Pseudomonas stutzeri RCH2 | Psest_1928 | | Nitrite reductase (NAD(P)H) (EC 1.7.1.4) (from data) | strong | 30 | 78 |
| | Ralstonia solanacearum PSI07 | RPSI07_RS05600 | | NAD(P)/FAD-dependent oxidoreductase | insig. | 31 | 78 |
| | Azospirillum sp. SherDot2 | MPMX19_05926 | | Nitrite reductase [NAD(P)H] | insig. | 31 | 82 |
| | Methylophilus sp. DMC18 | GFF205 | | Nitrite reductase [NAD(P)H] | cofit | 28 | 83 |
| | Pseudomonas sp. RS175 | PFR28_01049 | | Nitrite reductase [NAD(P)H] | insig. | 28 | 82 |
| | Magnetospirillum magneticum AMB-1 | AMB_RS15180 | | hypothetical protein | sig. | 31 | 83 |
| | Ralstonia solanacearum GMI1000 | RS_RS23025 | | NAD(P)/FAD-dependent oxidoreductase | insig. | 31 | 78 |
| | Rhizobium sp. OAE497 | ABIE40_RS25560 | | nitrite reductase large subunit NirB | insig. | 30 | 83 |
| | Pseudomonas sp. DMC3 | GFF5247 | | Nitrite reductase [NAD(P)H] | strong | 28 | 82 |
| | Rhodopseudomonas palustris CGA009 | TX73_019580 | | FAD-dependent oxidoreductase | insig. | 31 | 80 |
| | Rhodospirillum rubrum S1H | Rru_A2309 | | NADH peroxidase (NCBI) | sig. | 37 | 55 |
| | Ralstonia sp. UNC404CL21Col | ABZR87_RS18880 | | FAD-dependent oxidoreductase | strong | 30 | 78 |
| | Pseudomonas fluorescens FW300-N2E3 | AO353_00805 | | Nitrite reductase (NAD(P)H) (EC 1.7.1.4) (from data) | strong | 29 | 78 |
| | Pseudomonas aeruginosa MRSN321 | DY961_RS20595 | nirB;go_function=nitrite | nitrite reductase large subunit NirB | insig. | 29 | 82 |
| | Pseudomonas aeruginosa PA14 | IKLFDK_08610 | | nitrite reductase large subunit | sig. | 29 | 82 |
| | Pseudomonas aeruginosa PUPa3 | DQ20_RS54675 | nirB;go_function=nitrite | nitrite reductase large subunit NirB | insig. | 29 | 82 |
| | Bosea sp. OAE506 | ABIE41_RS21325 | | FAD-dependent oxidoreductase | insig. | 33 | 80 |
| | Hydrogenophaga sp. GW460-11-11-14-LB1 | GFF1026 | | Ferredoxin reductase | no data | 32 | 79 |
| | Pseudomonas fluorescens GW456-L13 | PfGW456L13_4101 | | Nitrite reductase (NAD(P)H) (EC 1.7.1.4) (from data) | strong | 28 | 82 |
| | Herbaspirillum seropedicae SmR1 | HSERO_RS14545 | | nitrite reductase | strong | 30 | 78 |
| | Caulobacter crescentus NA1000 | CCNA_00651 | | Nitrite reductase (NAD(P)H) (EC 1.7.1.4) (from data) | strong | 31 | 78 |
| | Caulobacter crescentus NA1000 Δfur | CCNA_00651 | | nitrite reductase (NAD(P)H) catalytic subunit | cofit | 31 | 78 |
| | Pseudomonas orientalis W4I3 | QF045_RS22790 | | nitrite reductase large subunit NirB | insig. | 28 | 82 |
| | Pseudomonas sp. S08-1 | OH686_00505 | | Nitrite reductase [NAD(P)H] large subunit | cofit | 30 | 82 |
| | Paraburkholderia bryophila 376MFSha3.1 | H281DRAFT_00664 | | assimilatory nitrate reductase (NADH) beta subunit (EC 1.7.1.1) | sig. | 28 | 78 |
| | Pseudomonas fluorescens FW300-N2E2 | Pf6N2E2_2378 | | Nitrite reductase (NAD(P)H) (EC 1.7.1.4) (from data) | strong | 27 | 82 |
| | Pseudomonas syringae pv. syringae B728a | Psyr_2100 | | assimilatory nitrate reductase (NADH) beta subunit | insig. | 28 | 88 |
| | Pseudomonas syringae pv. syringae B728a ΔmexB | Psyr_2100 | | assimilatory nitrate reductase (NADH) beta subunit | insig. | 28 | 88 |
| | Variovorax sp. OAS795 | ABID97_RS18770 | | FAD-dependent oxidoreductase | insig. | 31 | 82 |
| | Dinoroseobacter shibae DFL-12 | Dshi_1667 | | Nitrite reductase (NAD(P)H) (EC 1.7.1.4) (from data) | sig. | 30 | 85 |
| | Mucilaginibacter yixingensis YX-36 DSM 26809 | ABZR88_RS16910 | | nitrite reductase large subunit NirB | cofit | 29 | 83 |
| | Pseudomonas fluorescens FW300-N1B4 | Pf1N1B4_3837 | | Nitrite reductase [NAD(P)H] large subunit (EC 1.7.1.4) | strong | 27 | 82 |
| | Methanococcus maripaludis S2 | MMP_RS06475 | | FAD-dependent oxidoreductase | strong | 30 | 72 |
| | Methanococcus maripaludis JJ | MMJJ_RS07875 | | FAD-dependent oxidoreductase | insig. | 30 | 72 |
| | Paraburkholderia bryophila 376MFSha3.1 | H281DRAFT_03846 | | 3-phenylpropionate/trans-cinnamate dioxygenase ferredoxin reductase subunit | insig. | 30 | 73 |
| | Pseudomonas fluorescens FW300-N2C3 | AO356_02770 | | nitrite reductase | insig. | 27 | 82 |
| | Magnetospirillum magneticum AMB-1 | AMB_RS02745 | | nitrite reductase large subunit | no data | 30 | 84 |
| | Sinorhizobium meliloti 1021 | SMc00914 | | oxidoreductase | strong | 30 | 82 |
| | Paraburkholderia sabiae LMG 24235 | QEN71_RS39575 | | FAD-dependent oxidoreductase | insig. | 33 | 71 |
| | Phocaeicola dorei CL03T12C01 | ABI39_RS12165 | | FAD-dependent oxidoreductase | insig. | 32 | 59 |
| | Phocaeicola vulgatus CL09T03C04 | HMPREF1058_RS16275 | | FAD-dependent oxidoreductase | sig. | 32 | 59 |
| | Ralstonia solanacearum IBSBF1503 | RALBFv3_RS18005 | | NAD(P)/FAD-dependent oxidoreductase | insig. | 31 | 78 |
| | Ralstonia solanacearum UW163 | UW163_RS21125 | | NAD(P)/FAD-dependent oxidoreductase | insig. | 31 | 78 |
| | Rhizobium sp. OAE497 | ABIE40_RS22820 | | FAD-dependent oxidoreductase | insig. | 33 | 72 |
| | Pseudomonas stutzeri RCH2 | Psest_2406 | | nitrite reductase [NAD(P)H], large subunit | sig. | 32 | 80 |
| | Sphingobium sp. HT1-2 | GFF1183 | | Nitrite reductase [NAD(P)H] large subunit (EC 1.7.1.4) | cofit | 29 | 78 |
| | Variovorax sp. SCN45 | GFF4734 | | Nitrite reductase [NAD(P)H] large subunit (EC 1.7.1.4) | insig. | 28 | 78 |
| | Paraburkholderia graminis OAS925 | ABIE53_001855 | | nitrite reductase (NADH) large subunit | sig. | 28 | 78 |
| | Bacteroides thetaiotaomicron VPI-5482 | BT2434 | | pyridine nucleotide-disulphide oxidoreductase (NCBI ptt file) | sig. | 30 | 59 |
| | Acinetobacter radioresistens SK82 | MPMX26_01573 | | Nitric oxide reductase FlRd-NAD(+) reductase | no data | 27 | 83 |
| | Acidovorax sp. GW101-3H11 | Ac3H11_2771 | | Ferredoxin reductase | insig. | 30 | 79 |
| | Bacteroides ovatus ATCC 8483 | BACOVA_01572 | | pyridine nucleotide-disulfide oxidoreductase | cofit | 29 | 69 |
| | Xanthobacter sp. DMC5 | GFF1978 | | Nitrite reductase [NAD(P)H] | strong | 29 | 96 |
| | Enterobacter sp. TBS_079 | MPMX20_02621 | | Nitric oxide reductase FlRd-NAD(+) reductase | sig. | 29 | 83 |
| | Magnetospirillum magneticum AMB-1 | AMB_RS14715 | | NAD(P)/FAD-dependent oxidoreductase | insig. | 27 | 95 |
| | Dechlorosoma suillum PS | Dsui_1825 | | NAD(P)H-dependent nitrite reductase, large subunit | cofit | 28 | 83 |
| | Azospirillum brasilense Sp245 | AZOBR_RS18565 | | Nitrite reductase (NAD(P)H) (EC 1.7.1.4) (from data) | strong | 29 | 82 |
| | Agrobacterium fabrum C58 | Atu1013 | | ferredoxin reductase | no data | 28 | 89 |
| | Acidovorax sp. GW101-3H11 | Ac3H11_3236 | | Nitrite reductase [NAD(P)H] large subunit (EC 1.7.1.4) | insig. | 28 | 78 |
| | Xanthobacter sp. DMC5 | GFF1667 | | Rhodocoxin reductase | insig. | 31 | 75 |
| | Pseudomonas fluorescens GW456-L13 | PfGW456L13_3417 | | Ferredoxin reductase | insig. | 31 | 82 |
| | Pedobacter sp. GW460-11-11-14-LB5 | CA265_RS09995 | | Nitrite reductase (NAD(P)H) (EC 1.7.1.4) (from data) | strong | 26 | 81 |
| | Xanthomonas campestris pv. campestris strain 8004 | Xcc-8004.2712.1 | | Nitrite reductase [NAD(P)H] large subunit (EC 1.7.1.4) | insig. | 28 | 83 |
| | Echinicola vietnamensis KMM 6221, DSM 17526 | Echvi_1901 | | Nitrite reductase (NAD(P)H) (EC 1.7.1.4) (from data) | strong | 27 | 74 |
| | Pseudomonas simiae WCS417 | PS417_11105 | | pyridine nucleotide-disulfide oxidoreductase | no data | 32 | 73 |
| | Paraburkholderia bryophila 376MFSha3.1 | H281DRAFT_06454 | | NAD(P)H-nitrite reductase | insig. | 32 | 72 |
| | Azospirillum brasilense Sp245 | AZOBR_RS28130 | | pyridine nucleotide-disulfide oxidoreductase | insig. | 33 | 71 |
| | Pseudomonas fluorescens FW300-N2C3 | AO356_30130 | | pyridine nucleotide-disulfide oxidoreductase | insig. | 30 | 73 |
| | Paraburkholderia sabiae LMG 24235 | QEN71_RS09505 | | FAD-dependent oxidoreductase | insig. | 28 | 73 |
| | Pontibacter actiniarum KMM 6156, DSM 19842 | CA264_08995 | | FAD-dependent oxidoreductase | strong | 27 | 81 |
| | Sphingomonas koreensis DSMZ 15582 | Ga0059261_1696 | | Pyridine nucleotide-disulphide oxidoreductase/Reductase C-terminal | strong | 30 | 73 |
| | Dickeya dianthicola 67-19 | HGI48_RS14090 | | nitrite reductase small subunit NirD | insig. | 29 | 84 |
| | Pseudomonas fluorescens SBW25 | PFLU_RS11740 | | NAD(P)-binding protein | insig. | 33 | 73 |
| | Pseudomonas fluorescens SBW25-INTG | PFLU_RS11740 | | NAD(P)-binding protein | insig. | 33 | 73 |
| | Marinobacter adhaerens HP15 | HP15_27 | | FAD-dependent pyridine nucleotide-disulfide oxidoreductase | insig. | 28 | 81 |
| | Paraburkholderia sabiae LMG 24235 | QEN71_RS14925 | | FAD-dependent oxidoreductase | insig. | 27 | 71 |
| | Ralstonia solanacearum IBSBF1503 | RALBFv3_RS15400 | | pyridine nucleotide-disulfide oxidoreductase | insig. | 33 | 71 |
| | Ralstonia solanacearum UW163 | UW163_RS12860 | | pyridine nucleotide-disulfide oxidoreductase | insig. | 33 | 71 |
| | Marinobacter adhaerens HP15 | HP15_3880 | | nitrite reductase (NAD(P)H), large subunit | insig. | 28 | 82 |
| | Pantoea sp. MT58 | IAI47_11170 | | nitrite reductase small subunit NirD | strong | 29 | 83 |
| | Dickeya dadantii 3937 | DDA3937_RS14090 | | nitrite reductase small subunit NirD | insig. | 28 | 84 |
| | Pseudomonas syringae pv. syringae B728a | Psyr_3099 | | assimilatory nitrite reductase (NAD(P)H) large subunit precursor | insig. | 29 | 80 |
| | Pseudomonas syringae pv. syringae B728a ΔmexB | Psyr_3099 | | assimilatory nitrite reductase (NAD(P)H) large subunit precursor | insig. | 29 | 80 |
| | Hydrogenophaga sp. GW460-11-11-14-LB1 | GFF3665 | | Nitrite reductase [NAD(P)H] large subunit (EC 1.7.1.4) | insig. | 27 | 79 |
| | Variovorax sp. OAS795 | ABID97_RS20590 | | nitrite reductase large subunit NirB | no data | 28 | 78 |
| | Acinetobacter baumannii LAC-4 | RR41_RS07885 | | nitrite reductase small subunit NirD | insig. | 27 | 84 |
| | Variovorax sp. OAS795 | ABID97_RS16020 | | nitrite reductase large subunit NirB | no data | 28 | 78 |
| | Rahnella sp. WP5 | EX31_RS09110 | | nitrite reductase small subunit NirD | insig. | 28 | 83 |
| | Pseudomonas fluorescens FW300-N1B4 | Pf1N1B4_4393 | | Ferredoxin reductase | insig. | 31 | 73 |
| | Alteromonas macleodii MIT1002 | MIT1002_00698 | | Nitrite reductase [NAD(P)H] | cofit | 26 | 82 |
| | Rhodanobacter sp000427505 FW510-R12 | LRK53_RS01465 | | FAD-dependent oxidoreductase | insig. | 30 | 72 |
| | Cellulophaga baltica 18 | M666_RS04605 | | nitrite reductase large subunit NirB | insig. | 28 | 80 |
| | Rhodanobacter denitrificans FW104-10B01 | LRK54_RS06930 | | FAD-dependent oxidoreductase | insig. | 30 | 72 |
| | Dickeya dianthicola ME23 | DZA65_RS14750 | | nitrite reductase small subunit NirD | insig. | 28 | 84 |
| | Pseudomonas fluorescens FW300-N2C3 | AO356_26200 | | nitrite reductase | insig. | 26 | 94 |
| | Xanthobacter sp. DMC5 | GFF4225 | | Dicamba O-demethylase 1, ferredoxin reductase component | insig. | 28 | 71 |
| | Pseudomonas fluorescens FW300-N2E2 | Pf6N2E2_1114 | | Nitrite reductase [NAD(P)H] large subunit (EC 1.7.1.4) | sig. | 27 | 82 |
| | Magnetospirillum magneticum AMB-1 | AMB_RS08490 | | FAD-dependent oxidoreductase | cofit | 25 | 94 |
| | Klebsiella pneumoniae MKP103 | KDGMDA_24590 | | nitrite reductase (NAD(P)H) | insig. | 29 | 83 |
| | Pseudomonas orientalis W4I3 | QF045_RS13510 | | FAD-dependent oxidoreductase | insig. | 31 | 73 |
| | Klebsiella pneumoniae MRSN742743 | KFA93_RS15960 | nirB;go_function=nitrite | nitrite reductase large subunit NirB | insig. | 29 | 83 |
| | Dyella japonica UNC79MFTsu3.2 | ABZR86_RS03855 | | Nitrite reductase (NAD(P)H) (EC 1.7.1.4) (from data) | strong | 28 | 79 |
| | Pectobacterium carotovorum WPP14 | HER17_RS07330 | | nitrite reductase large subunit NirB | insig. | 27 | 83 |
| | Cupriavidus basilensis FW507-4G11 | RR42_RS31785 | | Nitrite reductase (NAD(P)H) (EC 1.7.1.4) (from data) | strong | 27 | 98 |
| | Rhizobium sp. OAE497 | ABIE40_RS06005 | | FAD-dependent oxidoreductase | no data | 28 | 73 |
| | Rhodanobacter sp. FW510-T8 | OKGIIK_16705 | nirB | pyridine nucleotide-disulfide oxidoreductase | insig. | 30 | 72 |
| | Pseudomonas sp. RS175 | PFR28_01856 | | Nitrite reductase [NAD(P)H] | insig. | 27 | 82 |
| | Burkholderia phytofirmans PsJN | BPHYT_RS09840 | | nitrite reductase | insig. | 26 | 82 |
| | Sinorhizobium meliloti 1021 | SMc02016 | | ferredoxin reductase | insig. | 29 | 71 |
| | Enterobacter asburiae PDN3 | EX28DRAFT_0845 | | nitrite reductase [NAD(P)H], large subunit/nitrite reductase [NAD(P)H], small subunit | insig. | 29 | 76 |
| | Dinoroseobacter shibae DFL-12 | Dshi_0114 | | FAD-dependent pyridine nucleotide-disulphide oxidoreductase (RefSeq) | no data | 28 | 81 |
| | Pseudomonas fluorescens FW300-N2E2 | Pf6N2E2_1861 | | Ferredoxin reductase | insig. | 25 | 80 |
| | Paraburkholderia sabiae LMG 24235 | QEN71_RS37810 | | nitrite reductase large subunit NirB | insig. | 28 | 80 |
| | Sinorhizobium meliloti 1021 | SMc01990 | | ferredoxin reductase | insig. | 28 | 72 |
| | Desulfovibrio vulgaris Hildenborough JW710 | DVU3212 | nox | pyridine nucleotide-disulfide oxidoreductase (TIGR) | no data | 30 | 74 |
| | Cupriavidus basilensis FW507-4G11 | RR42_RS26430 | | ferredoxin reductase | insig. | 30 | 73 |
| | Desulfovibrio vulgaris Miyazaki F | DvMF_1948 | | FAD-dependent pyridine nucleotide-disulphide oxidoreductase (RefSeq) | no data | 28 | 80 |
| | Pseudomonas sp. S08-1 | OH686_18325 | | Ferredoxin reductase | cofit | 28 | 77 |
| | Dickeya dadantii 3937 | DDA3937_RS14090 | | nitrite reductase small subunit NirD | insig. | 28 | 96 |
| | Paraburkholderia graminis OAS925 | ABIE53_002205 | | nitrite reductase (NADH) large subunit | insig. | 27 | 82 |
| | Pseudomonas sp. SVBP6 | COO64_RS07075 | nirB | nitrite reductase large subunit NirB | insig. | 28 | 79 |
| | Dickeya dianthicola 67-19 | HGI48_RS14090 | | nitrite reductase small subunit NirD | insig. | 31 | 79 |
| | Pantoea agglomerans CFBP13505 P0401 | PagCFBP13505_RS21660 | | nitrite reductase large subunit | cofit | 26 | 82 |
| | Phaeobacter inhibens DSM 17395 | PGA1_c29270 | | rhodocoxin reductase ThcD | no data | 29 | 71 |
| | Acinetobacter radioresistens SK82 | MPMX26_01574 | | Nitrite reductase [NAD(P)H] | no data | 25 | 79 |
| | Pseudomonas segetis P6 | ACVTMO_RS10525 | nirB | nitrite reductase large subunit NirB | insig. | 27 | 79 |
| | Rhodanobacter denitrificans MT42 | LRK55_RS06670 | | FAD-dependent oxidoreductase | insig. | 30 | 71 |
| | Dickeya dianthicola ME23 | DZA65_RS14750 | | nitrite reductase small subunit NirD | insig. | 30 | 79 |
| | Klebsiella michiganensis M5al | BWI76_RS17365 | | Nitrite reductase (NAD(P)H) (EC 1.7.1.4) (from data) | strong | 30 | 73 |
| | Acidovorax sp. GW101-3H11 | Ac3H11_2637 | | Nitrite reductase [NAD(P)H] large subunit (EC 1.7.1.4) | insig. | 27 | 80 |
| | Magnetospirillum magneticum AMB-1 | AMB_RS14720 | | NAD(P)/FAD-dependent oxidoreductase | insig. | 25 | 81 |
| | Dickeya dianthicola ME23 | DZA65_RS01010 | | FAD-dependent oxidoreductase | insig. | 29 | 68 |
| | Pectobacterium carotovorum WPP14 | HER17_RS07330 | | nitrite reductase large subunit NirB | insig. | 27 | 80 |
| | Pseudomonas fluorescens SBW25 | PFLU_RS16715 | | nitrite reductase large subunit | insig. | 28 | 78 |
| | Pseudomonas fluorescens SBW25-INTG | PFLU_RS16715 | | nitrite reductase large subunit | strong | 28 | 78 |
| | Paraburkholderia bryophila 376MFSha3.1 | H281DRAFT_00967 | | assimilatory nitrite reductase (NAD(P)H) large subunit precursor (EC 1.7.1.4) | sig. | 25 | 82 |
| | Pantoea sp. MT58 | IAI47_11170 | | nitrite reductase small subunit NirD | strong | 25 | 97 |
| | Klebsiella pneumoniae MRSN742743 | KFA93_RS15960 | nirB;go_function=nitrite | nitrite reductase large subunit NirB | insig. | 28 | 79 |
| | Enterobacter asburiae PDN3 | EX28DRAFT_0845 | | nitrite reductase [NAD(P)H], large subunit/nitrite reductase [NAD(P)H], small subunit | insig. | 27 | 79 |
| | Cupriavidus basilensis FW507-4G11 | RR42_RS29850 | | hypothetical protein | insig. | 26 | 82 |
| | Echinicola vietnamensis KMM 6221, DSM 17526 | Echvi_1912 | | Nitrate reductase (EC 1.7.99.4) (from data) | strong | 25 | 87 |
| | Klebsiella pneumoniae MKP103 | KDGMDA_24590 | | nitrite reductase (NAD(P)H) | insig. | 28 | 78 |
| | Mycobacterium tuberculosis H37Rv | Rv0688 | | Putative ferredoxin reductase | insig. | 25 | 71 |
| | Pseudomonas sp. S08-1 | OH686_20575 | | Nitrite reductase [NAD(P)H] large subunit | insig. | 27 | 79 |
| | Acinetobacter baumannii LAC-4 | RR41_RS07880 | | nitrite reductase large subunit NirB | insig. | 26 | 71 |
| | Hydrogenophaga sp. GW460-11-11-14-LB1 | GFF5646 | | Ferredoxin reductase | no data | 29 | 78 |
| | Pedobacter sp. GW460-11-11-14-LB5 | CA265_RS10015 | | Nitrate reductase (EC 1.7.99.4) (from data) | strong | 24 | 73 |
| | Caulobacter crescentus NA1000 | CCNA_03640 | | phenylpropionate dioxygenase ferredoxin reductase subunit | no data | 27 | 72 |
| | Caulobacter crescentus NA1000 Δfur | CCNA_03640 | | phenylpropionate dioxygenase ferredoxin reductase subunit | no data | 27 | 72 |
| | Pseudomonas simiae WCS417 | PS417_14730 | | Nitrite reductase (NAD(P)H) (EC 1.7.1.4) (from data) | strong | 26 | 78 |
| | Cellulophaga baltica 18 | M666_RS11740 | | FAD-dependent oxidoreductase | insig. | 23 | 97 |
| | Klebsiella michiganensis M5al | BWI76_RS17365 | | Nitrite reductase (NAD(P)H) (EC 1.7.1.4) (from data) | strong | 28 | 79 |
| | Castellaniella sp019104865 MT123 | ABCV34_RS06890 | | nitrite reductase large subunit NirB | insig. | 28 | 82 |
| | Methylophilus sp. DMC18 | GFF200 | | Nitrite reductase [NAD(P)H] | cofit | 26 | 98 |
| | Sphingobium sp. HT1-2 | GFF539 | | Ferredoxin reductase | cofit | 27 | 72 |
| | Enterobacter sp. TBS_079 | MPMX20_02621 | | Nitric oxide reductase FlRd-NAD(+) reductase | sig. | 27 | 79 |
| | Cellulophaga baltica 18 | M666_RS02585 | | FAD-dependent oxidoreductase | insig. | 25 | 81 |
| | Mucilaginibacter yixingensis YX-36 DSM 26809 | ABZR88_RS16935 | | nitrate reductase | strong | 23 | 73 |
| | Caulobacter crescentus NA1000 | CCNA_01805 | | dihydrolipoamide dehydrogenase | no data | 28 | 48 |
| | Caulobacter crescentus NA1000 Δfur | CCNA_01805 | | dihydrolipoamide dehydrogenase | cofit | 28 | 48 |
| | Burkholderia phytofirmans PsJN | BPHYT_RS21090 | | FAD-dependent pyridine nucleotide-disulfide oxidoreductase | insig. | 26 | 71 |
| | Castellaniella sp019104865 MT123 | ABCV34_RS07660 | | FAD-dependent oxidoreductase | insig. | 25 | 71 |
| | Pectobacterium carotovorum WPP14 | HER17_RS01845 | | nitrite reductase large subunit NirB | insig. | 24 | 82 |
| | Dickeya dianthicola 67-19 | HGI48_RS00950 | | FAD-dependent oxidoreductase | insig. | 27 | 68 |
| | Pseudomonas fluorescens FW300-N1B4 | Pf1N1B4_5042 | | Nitrite reductase [NAD(P)H] large subunit (EC 1.7.1.4) | sig. | 29 | 82 |
| | Pseudomonas lactucae CFBP13502 | GEMAOFIL_02530 | | Rhodocoxin reductase | cofit | 31 | 49 |
| | Pseudomonas putida KT2440 | PP_1705 | | nitrite reductase [NAD(P)H] large subunit | strong | 30 | 82 |
| | Acinetobacter radioresistens SK82 | MPMX26_00332 | | 3-phenylpropionate/cinnamic acid dioxygenase ferredoxin--NAD(+) reductase component | cofit | 26 | 71 |
| | Paraburkholderia bryophila 376MFSha3.1 | H281DRAFT_03646 | | 3-phenylpropionate/trans-cinnamate dioxygenase ferredoxin reductase subunit | insig. | 27 | 78 |
| | Pseudomonas sp. BP01 | JOY50_RS27810 | nirB | nitrite reductase large subunit NirB | insig. | 29 | 94 |
| | Xanthobacter sp. DMC5 | GFF4536 | | 3-phenylpropionate/cinnamic acid dioxygenase ferredoxin--NAD(+) reductase component | insig. | 29 | 65 |
| | Ralstonia sp. UNC404CL21Col | ABZR87_RS18870 | | nitrite reductase large subunit NirB | strong | 26 | 83 |
| | Mycobacterium tuberculosis H37Rv | Rv0252 | | Probable nitrite reductase [NAD(P)H] large subunit [FAD flavoprotein] NirB | insig. | 29 | 78 |
| | Dickeya dadantii 3937 | DDA3937_RS20275 | | FAD-dependent oxidoreductase | insig. | 27 | 60 |
| | Brevundimonas sp. GW460-12-10-14-LB2 | A4249_RS10680 | | FAD-dependent oxidoreductase | no data | 26 | 71 |
| | Variovorax sp. OAS795 | ABID97_RS28335 | | FAD-dependent oxidoreductase | insig. | 25 | 71 |
| | Synechococcus elongatus PCC 7942 | Synpcc7942_0842 | gor | glutathione reductase | sig. | 29 | 58 |
| | Escherichia coli ECRC62 | BNILDI_02525 | nirB | NADPH-nitrite reductase large subunit | insig. | 26 | 82 |
| | Enterobacter asburiae PDN3 | EX28DRAFT_4162 | | nitrite reductase [NAD(P)H], large subunit | insig. | 26 | 82 |
| | Escherichia fergusonii Becca | EFB2_00457 | | Nitrite reductase [NAD(P)H] | insig. | 26 | 82 |
| | Escherichia coli ECOR27 | NOLOHH_08995 | nirB | NADPH-nitrite reductase large subunit | insig. | 26 | 82 |
| | Escherichia coli ECRC100 | OKFHMN_17195 | nirB | NADPH-nitrite reductase large subunit | insig. | 26 | 82 |
| | Escherichia coli ECRC101 | MCAODC_07725 | nirB | NADPH-nitrite reductase large subunit | insig. | 26 | 82 |
| | Escherichia coli ECRC102 | NIAGMN_14965 | nirB | NADPH-nitrite reductase large subunit | cofit | 26 | 82 |
| | Escherichia coli ECRC98 | JDDGAC_20825 | nirB | NADPH-nitrite reductase large subunit | insig. | 26 | 82 |
| | Escherichia coli ECRC99 | KEDOAH_10945 | nirB | NADPH-nitrite reductase large subunit | no data | 26 | 82 |
| | Escherichia coli Nissle 1917 | ECOLIN_RS19270 | | NADPH-nitrite reductase large subunit | insig. | 26 | 82 |
| | Escherichia coli BL21 | ECD_03216 | | nitrite reductase, large subunit, NAD(P)H-binding | insig. | 26 | 82 |
| | Escherichia coli ECOR38 | HEPCGN_16025 | nirB | NADPH-nitrite reductase large subunit | insig. | 26 | 82 |
| | Escherichia coli BW25113 | b3365 | nirB | nitrite reductase, large subunit, NAD(P)H-binding (NCBI) | strong | 26 | 82 |
| | Klebsiella pneumoniae MKP103 | KDGMDA_06870 | | nitrite reductase (NAD(P)H) | insig. | 26 | 82 |