| Orth | Species | Gene | Name | Description | Fitness | %Id | Cov |
| | Echinicola vietnamensis KMM 6221, DSM 17526 | Echvi_1900 | | nitrite reductase [NAD(P)H], small subunit | strong | 100 | 100 |
| o | Cellulophaga baltica 18 | M666_RS04610 | | nitrite reductase small subunit NirD | insig. | 64 | 97 |
| o | Pedobacter sp. GW460-11-11-14-LB5 | CA265_RS10000 | | nitrite reductase small subunit | sig. | 67 | 85 |
| o | Mucilaginibacter yixingensis YX-36 DSM 26809 | ABZR88_RS16915 | | nitrite reductase small subunit NirD | cofit | 62 | 84 |
| | Rahnella sp. WP5 | EX31_RS09110 | | nitrite reductase small subunit NirD | insig. | 32 | 85 |
| | Klebsiella pneumoniae MRSN742743 | KFA93_RS15960 | nirB;go_function=nitrite | nitrite reductase large subunit NirB | insig. | 36 | 86 |
| | Klebsiella michiganensis M5al | BWI76_RS17365 | | Nitrite reductase (NAD(P)H) (EC 1.7.1.4) (from data) | strong | 35 | 86 |
| | Methylophilus sp. DMC18 | GFF199 | | Nitrite reductase (NADH) small subunit | cofit | 38 | 78 |
| | Klebsiella pneumoniae MKP103 | KDGMDA_24590 | | nitrite reductase (NAD(P)H) | insig. | 36 | 86 |
| o | Rhizobium sp. OAE497 | ABIE40_RS25565 | | nitrite reductase small subunit NirD | insig. | 34 | 86 |
| o | Sphingobium sp. HT1-2 | GFF1182 | | Nitrite reductase [NAD(P)H] small subunit (EC 1.7.1.4) | insig. | 39 | 86 |
| | Methylophilus sp. DMC18 | GFF202 | | Assimilatory nitrite reductase [NAD(P)H] small subunit | cofit | 39 | 83 |
| | Paraburkholderia graminis OAS925 | ABIE53_001854 | | nitrite reductase (NADH) small subunit | insig. | 33 | 83 |
| | Paraburkholderia bryophila 376MFSha3.1 | H281DRAFT_00663 | | assimilatory nitrite reductase (NAD(P)H) small subunit (EC 1.7.1.4) | insig. | 32 | 83 |
| | Acinetobacter radioresistens SK82 | MPMX26_01573 | | Nitric oxide reductase FlRd-NAD(+) reductase | no data | 32 | 83 |
| | Paraburkholderia graminis OAS925 | ABIE53_002206 | | nitrite reductase (NADH) small subunit | no data | 34 | 74 |
| | Pectobacterium carotovorum WPP14 | HER17_RS07330 | | nitrite reductase large subunit NirB | insig. | 31 | 82 |
| | Pantoea agglomerans CFBP13505 P0401 | PagCFBP13516_RS01930 | nirD | nitrite reductase small subunit NirD | cofit | 32 | 85 |
| | Agrobacterium fabrum C58 | Atu3901 | | nitrite reductase small subunit | strong | 31 | 86 |
| | Paraburkholderia sabiae LMG 24235 | QEN71_RS37805 | | nitrite reductase small subunit NirD | insig. | 28 | 84 |
| | Acinetobacter baumannii LAC-4 | RR41_RS07885 | | nitrite reductase small subunit NirD | insig. | 31 | 84 |
| | Burkholderia phytofirmans PsJN | BPHYT_RS09845 | | nitrite reductase | no data | 30 | 84 |
| | Dyella japonica UNC79MFTsu3.2 | ABZR86_RS03860 | | Nitrite reductase (NAD(P)H) (EC 1.7.1.4) (from data) | strong | 29 | 87 |
| | Ralstonia solanacearum GMI1000 | RS_RS05405 | | non-heme iron oxygenase ferredoxin subunit | sig. | 31 | 84 |
| | Ralstonia solanacearum IBSBF1503 | RALBFv3_RS18000 | | nitrite reductase (NAD(P)H) small subunit | sig. | 30 | 84 |
| | Ralstonia solanacearum UW163 | UW163_RS21130 | | nitrite reductase (NAD(P)H) small subunit | insig. | 30 | 84 |
| | Ralstonia solanacearum PSI07 | RPSI07_RS18835 | | non-heme iron oxygenase ferredoxin subunit | no data | 29 | 86 |
| | Cupriavidus basilensis FW507-4G11 | RR42_RS31790 | | nitrite reductase | insig. | 29 | 87 |
| | Sinorhizobium meliloti 1021 | SM_b20985 | | nitrite reductase [NAD(P)H], small subunit protein | no data | 31 | 83 |
| | Enterobacter sp. TBS_079 | MPMX20_02621 | | Nitric oxide reductase FlRd-NAD(+) reductase | sig. | 31 | 83 |
| | Ralstonia sp. UNC404CL21Col | ABZR87_RS18875 | | nitrite reductase small subunit NirD | strong | 30 | 86 |
| | Ralstonia solanacearum GMI1000 | RS_RS23030 | | nitrite reductase (NAD(P)H) small subunit | insig. | 31 | 84 |
| | Ralstonia solanacearum IBSBF1503 | RALBFv3_RS14625 | | non-heme iron oxygenase ferredoxin subunit | no data | 29 | 84 |
| | Ralstonia solanacearum UW163 | UW163_RS12095 | | non-heme iron oxygenase ferredoxin subunit | insig. | 29 | 84 |
| | Serratia liquefaciens MT49 | IAI46_23660 | | nitrite reductase small subunit NirD | insig. | 28 | 86 |
| | Alteromonas macleodii MIT1002 | MIT1002_00699 | | Nitrite reductase [NAD(P)H] small subunit | sig. | 32 | 84 |
| | Ralstonia solanacearum PSI07 | RPSI07_RS05605 | | nitrite reductase (NAD(P)H) small subunit | insig. | 31 | 84 |
| | Dinoroseobacter shibae DFL-12 | Dshi_1668 | | nitrite reductase (NAD(P)H), small subunit (RefSeq) | sig. | 30 | 84 |
| | Enterobacter asburiae PDN3 | EX28DRAFT_0845 | | nitrite reductase [NAD(P)H], large subunit/nitrite reductase [NAD(P)H], small subunit | insig. | 30 | 83 |
| | Pectobacterium carotovorum WPP14 | HER17_RS01840 | | nitrite reductase small subunit NirD | cofit | 26 | 88 |
| | Acidovorax sp. GW101-3H11 | Ac3H11_2636 | | Nitrite reductase [NAD(P)H] small subunit (EC 1.7.1.4) | no data | 26 | 84 |
| | Pseudomonas lactucae CFBP13502 | GEMAOFIL_03262 | | Nitrite reductase (NADH) small subunit | no data | 26 | 87 |
| | Herbaspirillum seropedicae SmR1 | HSERO_RS14540 | | nitrite reductase | strong | 25 | 86 |
| | Hydrogenophaga sp. GW460-11-11-14-LB1 | GFF3664 | | Nitrite reductase [NAD(P)H] small subunit (EC 1.7.1.4) | no data | 33 | 88 |
| | Pseudomonas simiae WCS417 | PS417_14725 | | Nitrite reductase (NAD(P)H) (EC 1.7.1.4) (from data) | strong | 25 | 88 |
| | Marinobacter adhaerens HP15 | HP15_3879 | | nitrite reductase (NAD(P)H), small subunit | insig. | 34 | 70 |
| | Pseudomonas putida KT2440 | PP_1706 | | Nitrite reductase | strong | 29 | 78 |
| | Escherichia coli BL21 | ECD_02432 | | 3-phenylpropionate dioxygenase, ferredoxin subunit | insig. | 34 | 86 |
| | Escherichia coli ECOR27 | NOLOHH_13240 | hcaC | bifunctional 3-phenylpropionate/cinnamic acid dioxygenase ferredoxin subunit | sig. | 34 | 86 |
| | Escherichia coli ECOR38 | HEPCGN_20710 | hcaC | bifunctional 3-phenylpropionate/cinnamic acid dioxygenase ferredoxin subunit | insig. | 34 | 86 |
| | Escherichia coli ECRC100 | OKFHMN_21570 | hcaC | bifunctional 3-phenylpropionate/cinnamic acid dioxygenase ferredoxin subunit | insig. | 34 | 86 |
| | Escherichia coli ECRC101 | MCAODC_12100 | hcaC | bifunctional 3-phenylpropionate/cinnamic acid dioxygenase ferredoxin subunit | insig. | 34 | 86 |
| | Escherichia coli ECRC102 | NIAGMN_19340 | hcaC | bifunctional 3-phenylpropionate/cinnamic acid dioxygenase ferredoxin subunit | insig. | 34 | 86 |
| | Escherichia coli ECRC62 | BNILDI_12040 | hcaC | bifunctional 3-phenylpropionate/cinnamic acid dioxygenase ferredoxin subunit | cofit | 34 | 86 |
| | Escherichia coli ECRC98 | JDDGAC_25245 | hcaC | bifunctional 3-phenylpropionate/cinnamic acid dioxygenase ferredoxin subunit | insig. | 34 | 86 |
| | Escherichia coli ECRC99 | KEDOAH_06650 | hcaC | bifunctional 3-phenylpropionate/cinnamic acid dioxygenase ferredoxin subunit | no data | 34 | 86 |
| | Escherichia coli HS(pFamp)R (ATCC 700891) | OHPLBJKB_01169 | | 3-phenylpropionate/cinnamic acid dioxygenase ferredoxin subunit | insig. | 34 | 86 |
| | Escherichia coli BW25113 | b2540 | hcaC | 3-phenylpropionate dioxygenase, predicted ferredoxin subunit (NCBI) | sig. | 34 | 86 |
| | Xanthomonas campestris pv. campestris strain 8004 | Xcc-8004.2711.1 | | Nitrite reductase [NAD(P)H] small subunit (EC 1.7.1.4) | insig. | 31 | 86 |
| | Pseudomonas sp. BP01 | JOY50_RS27815 | nirD | nitrite reductase small subunit NirD | insig. | 29 | 78 |
| | Klebsiella michiganensis M5al | BWI76_RS26045 | | nitrite reductase small subunit | insig. | 31 | 75 |
| | Dickeya dadantii 3937 | DDA3937_RS14090 | | nitrite reductase small subunit NirD | insig. | 25 | 91 |
| | Rahnella sp. WP5 | EX31_RS04675 | | nitrite reductase small subunit NirD | insig. | 27 | 85 |
| | Pantoea sp. MT58 | IAI47_11170 | | nitrite reductase small subunit NirD | strong | 25 | 83 |
| | Sinorhizobium meliloti 1021 | SMc01993 | | dioxygenase ferredoxin protein | insig. | 29 | 87 |
| | Azospirillum sp. SherDot2 | MPMX19_05927 | | 3-phenylpropionate/cinnamic acid dioxygenase ferredoxin subunit | no data | 29 | 91 |
| | Magnetospirillum magneticum AMB-1 | AMB_RS02740 | | nitrite reductase (NAD(P)H) small subunit | no data | 33 | 87 |
| | Pseudomonas fluorescens SBW25 | PFLU_RS16710 | | nitrite reductase small subunit NirD | insig. | 28 | 74 |
| | Pseudomonas fluorescens SBW25-INTG | PFLU_RS16710 | | nitrite reductase small subunit NirD | strong | 28 | 74 |
| | Escherichia fergusonii Becca | EFB2_00456 | | Nitrite reductase (NADH) small subunit | insig. | 25 | 85 |
| | Escherichia coli ECOR38 | HEPCGN_16020 | nirD | nitrite reductase small subunit NirD | strong | 25 | 85 |
| | Escherichia coli Nissle 1917 | ECOLIN_RS19275 | | nitrite reductase small subunit NirD | insig. | 25 | 85 |
| | Cupriavidus basilensis FW507-4G11 | RR42_RS33940 | | naphthalene 1,2-dioxygenase | insig. | 30 | 83 |
| | Enterobacter asburiae PDN3 | EX28DRAFT_4161 | | nitrite reductase [NAD(P)H], small subunit | insig. | 30 | 71 |
| | Escherichia coli BL21 | ECD_03217 | | nitrite reductase (NADH) small subunit | insig. | 25 | 85 |
| | Escherichia coli ECOR27 | NOLOHH_08990 | nirD | nitrite reductase small subunit NirD | insig. | 25 | 85 |
| | Escherichia coli ECRC100 | OKFHMN_17190 | nirD | nitrite reductase small subunit NirD | cofit | 25 | 85 |
| | Escherichia coli ECRC101 | MCAODC_07720 | nirD | nitrite reductase small subunit NirD | insig. | 25 | 85 |
| | Escherichia coli ECRC102 | NIAGMN_14960 | nirD | nitrite reductase small subunit NirD | insig. | 25 | 85 |
| | Escherichia coli ECRC62 | BNILDI_02530 | nirD | nitrite reductase small subunit NirD | insig. | 25 | 85 |
| | Escherichia coli ECRC98 | JDDGAC_20820 | nirD | nitrite reductase small subunit NirD | insig. | 25 | 85 |
| | Escherichia coli ECRC99 | KEDOAH_10950 | nirD | nitrite reductase small subunit NirD | no data | 25 | 85 |
| | Escherichia coli HS(pFamp)R (ATCC 700891) | OHPLBJKB_00336 | | Nitrite reductase (NADH) small subunit | insig. | 25 | 85 |
| | Escherichia coli BW25113 | b3366 | nirD | nitrite reductase small subunit (NCBI) | insig. | 25 | 85 |
| | Dickeya dianthicola 67-19 | HGI48_RS14090 | | nitrite reductase small subunit NirD | insig. | 25 | 99 |
| | Dickeya dianthicola ME23 | DZA65_RS14750 | | nitrite reductase small subunit NirD | insig. | 25 | 99 |
| | Pseudomonas sp. SVBP6 | COO64_RS07070 | nirD | nitrite reductase small subunit NirD | insig. | 24 | 94 |
| | Mucilaginibacter yixingensis YX-36 DSM 26809 | ABZR88_RS09390 | | Rieske 2Fe-2S domain-containing protein | insig. | 33 | 85 |
| | Enterobacter sp. TBS_079 | MPMX20_04270 | | Nitrite reductase (NADH) small subunit | insig. | 26 | 85 |
| | Enterobacter sp. TBS_079 | MPMX20_03796 | | Naphthalene 1,2-dioxygenase system, ferredoxin component | sig. | 32 | 78 |
| | Pseudomonas fluorescens FW300-N2E3 | AO353_00810 | | Nitrite reductase (NAD(P)H) (EC 1.7.1.4) (from data) | strong | 31 | 86 |
| | Klebsiella pneumoniae MKP103 | KDGMDA_06875 | | nitrite reductase small subunit NirD | sig. | 25 | 85 |
| | Klebsiella pneumoniae MRSN742743 | KFA93_RS10265 | nirD;inference=COORDINATES | nitrite reductase small subunit NirD | insig. | 25 | 85 |
| | Pseudomonas fluorescens FW300-N1B4 | Pf1N1B4_5041 | | Nitrite reductase [NAD(P)H] small subunit (EC 1.7.1.4) | insig. | 30 | 73 |
| | Pseudomonas aeruginosa PA14 | IKLFDK_08605 | | nitrite reductase (NAD(P)H) small subunit | insig. | 30 | 86 |
| | Variovorax sp. OAS795 | ABID97_RS28330 | | non-heme iron oxygenase ferredoxin subunit | no data | 28 | 83 |
| | Sinorhizobium meliloti 1021 | SM_b20819 | | ferredoxin | insig. | 28 | 86 |
| | Klebsiella pneumoniae MKP103 | KDGMDA_04545 | | naphthalene 1 2-dioxygenase | insig. | 31 | 78 |
| | Pseudomonas aeruginosa MRSN321 | DY961_RS20590 | nirD;go_function=nitrite | nitrite reductase small subunit NirD | insig. | 30 | 86 |
| | Pseudomonas aeruginosa PUPa3 | DQ20_RS54670 | nirD;go_function=nitrite | nitrite reductase small subunit NirD | insig. | 30 | 86 |
| | Dechlorosoma suillum PS | Dsui_1826 | | NAD(P)H-dependent nitrite reductase, small subunit | no data | 29 | 85 |
| | Rhizobium sp. OAE497 | ABIE40_RS22815 | | MocE family 2Fe-2S type ferredoxin | insig. | 26 | 87 |
| | Salmonella enterica subsp. enterica serovar Typhimurium str. MS1868 | GFF3703 | | Nitrite reductase [NAD(P)H] small subunit (EC 1.7.1.4) | insig. | 25 | 85 |
| | Xanthobacter sp. DMC5 | GFF4536 | | 3-phenylpropionate/cinnamic acid dioxygenase ferredoxin--NAD(+) reductase component | insig. | 31 | 83 |
| | Caulobacter crescentus NA1000 | CCNA_00652 | | nitrite reductase (NAD(P)H) small subunit | strong | 30 | 85 |
| | Caulobacter crescentus NA1000 Δfur | CCNA_00652 | | nitrite reductase (NAD(P)H) small subunit | cofit | 30 | 85 |
| | Acinetobacter radioresistens SK82 | MPMX26_01896 | | Naphthalene 1,2-dioxygenase system, ferredoxin component | no data | 28 | 78 |
| | Pseudomonas sp. DMC3 | GFF5246 | | Assimilatory nitrite reductase [NAD(P)H] small subunit | cofit | 30 | 86 |
| | Acinetobacter radioresistens SK82 | MPMX26_00329 | | 3-phenylpropionate/cinnamic acid dioxygenase ferredoxin subunit | no data | 34 | 63 |
| | Pontibacter actiniarum KMM 6156, DSM 19842 | CA264_12785 | | Rieske (2Fe-2S) protein | insig. | 32 | 75 |
| | Variovorax sp. OAS795 | ABID97_RS16365 | | non-heme iron oxygenase ferredoxin subunit | insig. | 28 | 89 |
| | Methylophilus sp. DMC18 | GFF2010 | | 3-phenylpropionate/cinnamic acid dioxygenase ferredoxin subunit | insig. | 27 | 86 |
| | Variovorax sp. SCN45 | GFF196 | | Probable ferredoxin subunit of a ring-hydroxylating dioxygenase oxidoreductase protein (EC 1.-.-.-) | insig. | 27 | 86 |
| | Pedobacter sp. GW460-11-11-14-LB5 | CA265_RS08935 | | (2Fe-2S)-binding protein | insig. | 28 | 86 |
| | Cupriavidus basilensis FW507-4G11 | RR42_RS26435 | | ferredoxin | insig. | 27 | 82 |
| | Pseudomonas fluorescens FW300-N2C3 | AO356_26205 | | nitrite reductase | insig. | 24 | 74 |
| | Castellaniella sp019104865 MT123 | ABCV34_RS06890 | | nitrite reductase large subunit NirB | insig. | 26 | 83 |
| | Pseudomonas sp. RS175 | PFR28_01857 | | Nitrite reductase (NADH) small subunit | insig. | 26 | 74 |
| | Pseudomonas fluorescens FW300-N1B4 | Pf1N1B4_3836 | | Nitrite reductase [NAD(P)H] small subunit (EC 1.7.1.4) | insig. | 30 | 86 |
| | Pseudomonas fluorescens FW300-N2E2 | Pf6N2E2_1115 | | Nitrite reductase [NAD(P)H] small subunit (EC 1.7.1.4) | sig. | 24 | 74 |
| | Serratia liquefaciens MT49 | IAI46_21120 | | non-heme iron oxygenase ferredoxin subunit | insig. | 27 | 85 |
| | Pseudomonas lactucae CFBP13502 | GEMAOFIL_02529 | | Naphthalene 1,2-dioxygenase system, ferredoxin component | cofit | 26 | 85 |
| | Acidovorax sp. GW101-3H11 | Ac3H11_215 | | Probable ferredoxin subunit of a ring-hydroxylating dioxygenase oxidoreductase protein (EC 1.-.-.-) | insig. | 25 | 86 |
| | Pseudomonas syringae pv. syringae B728a | Psyr_3100 | | nitrite reductase [NAD(P)H], small subunit | no data | 24 | 89 |
| | Pseudomonas syringae pv. syringae B728a ΔmexB | Psyr_3100 | | nitrite reductase [NAD(P)H], small subunit | insig. | 24 | 89 |
| | Pseudomonas fluorescens SBW25 | PFLU_RS11735 | | Rieske 2Fe-2S domain-containing protein | insig. | 32 | 57 |
| | Pseudomonas fluorescens SBW25-INTG | PFLU_RS11735 | | Rieske 2Fe-2S domain-containing protein | insig. | 32 | 57 |
| | Pseudomonas orientalis W4I3 | QF045_RS13505 | | MocE family 2Fe-2S type ferredoxin | cofit | 25 | 85 |
| | Rhizobium sp. OAE497 | ABIE40_RS20410 | | MocE family 2Fe-2S type ferredoxin | insig. | 34 | 56 |
| | Pseudomonas fluorescens FW300-N2C3 | AO356_30135 | | Rieske family ferredoxin | insig. | 30 | 58 |
| | Pseudomonas simiae WCS417 | PS417_11100 | | MocE | insig. | 31 | 57 |
| | Pseudomonas fluorescens FW300-N2E3 | AO353_27495 | | pyridine nucleotide-disulfide oxidoreductase | insig. | 31 | 79 |
| | Echinicola vietnamensis KMM 6221, DSM 17526 | Echvi_1136 | | Ferredoxin subunits of nitrite reductase and ring-hydroxylating dioxygenases | insig. | 31 | 51 |