| Orth | Species | Gene | Name | Description | Fitness | %Id | Cov |
| | Dechlorosoma suillum PS | Dsui_1826 | | NAD(P)H-dependent nitrite reductase, small subunit | no data | 100 | 100 |
| o | Pseudomonas aeruginosa PA14 | IKLFDK_08605 | | nitrite reductase (NAD(P)H) small subunit | insig. | 66 | 96 |
| o | Pseudomonas aeruginosa MRSN321 | DY961_RS20590 | nirD;go_function=nitrite | nitrite reductase small subunit NirD | insig. | 66 | 96 |
| o | Pseudomonas aeruginosa PUPa3 | DQ20_RS54670 | nirD;go_function=nitrite | nitrite reductase small subunit NirD | insig. | 66 | 96 |
| o | Pseudomonas stutzeri RCH2 | Psest_1927 | | nitrite reductase [NAD(P)H], small subunit | no data | 63 | 96 |
| o | Pseudomonas orientalis W4I3 | QF045_RS22795 | | nitrite reductase small subunit NirD | insig. | 62 | 96 |
| | Azospirillum sp. SherDot2 | MPMX19_05927 | | 3-phenylpropionate/cinnamic acid dioxygenase ferredoxin subunit | no data | 68 | 89 |
| o | Pseudomonas fluorescens GW456-L13 | PfGW456L13_4102 | | Nitrite reductase [NAD(P)H] small subunit (EC 1.7.1.4) | no data | 62 | 96 |
| o | Pseudomonas sp. RS175 | PFR28_01048 | | Assimilatory nitrite reductase [NAD(P)H] small subunit | no data | 61 | 96 |
| o | Pseudomonas fluorescens FW300-N2E3 | AO353_00810 | | Nitrite reductase (NAD(P)H) (EC 1.7.1.4) (from data) | strong | 61 | 96 |
| o | Pseudomonas fluorescens FW300-N2C3 | AO356_02775 | | nitrite reductase | no data | 61 | 96 |
| o | Pseudomonas fluorescens FW300-N1B4 | Pf1N1B4_3836 | | Nitrite reductase [NAD(P)H] small subunit (EC 1.7.1.4) | insig. | 60 | 97 |
| o | Pseudomonas fluorescens FW300-N2E2 | Pf6N2E2_2379 | | Nitrite reductase [NAD(P)H] small subunit (EC 1.7.1.4) | no data | 60 | 96 |
| | Acidovorax sp. GW101-3H11 | Ac3H11_3238 | | Nitrite reductase [NAD(P)H] small subunit (EC 1.7.1.4) | insig. | 60 | 98 |
| o | Pseudomonas sp. DMC3 | GFF5246 | | Assimilatory nitrite reductase [NAD(P)H] small subunit | cofit | 60 | 96 |
| | Variovorax sp. OAS795 | ABID97_RS20600 | | nitrite reductase small subunit NirD | no data | 61 | 99 |
| o | Methylophilus sp. DMC18 | GFF202 | | Assimilatory nitrite reductase [NAD(P)H] small subunit | cofit | 61 | 97 |
| o | Magnetospirillum magneticum AMB-1 | AMB_RS02740 | | nitrite reductase (NAD(P)H) small subunit | no data | 60 | 99 |
| o | Hydrogenophaga sp. GW460-11-11-14-LB1 | GFF3664 | | Nitrite reductase [NAD(P)H] small subunit (EC 1.7.1.4) | no data | 62 | 100 |
| o | Xanthomonas campestris pv. campestris strain 8004 | Xcc-8004.2711.1 | | Nitrite reductase [NAD(P)H] small subunit (EC 1.7.1.4) | insig. | 60 | 97 |
| | Variovorax sp. SCN45 | GFF4732 | | Nitrite reductase [NAD(P)H] small subunit (EC 1.7.1.4) | no data | 59 | 100 |
| | Variovorax sp. OAS795 | ABID97_RS16025 | | nitrite reductase small subunit NirD | no data | 60 | 99 |
| o | Caulobacter crescentus NA1000 | CCNA_00652 | | nitrite reductase (NAD(P)H) small subunit | strong | 58 | 96 |
| o | Caulobacter crescentus NA1000 Δfur | CCNA_00652 | | nitrite reductase (NAD(P)H) small subunit | cofit | 58 | 96 |
| o | Rhizobium sp. OAE497 | ABIE40_RS25565 | | nitrite reductase small subunit NirD | insig. | 53 | 96 |
| o | Agrobacterium fabrum C58 | Atu3901 | | nitrite reductase small subunit | strong | 55 | 95 |
| o | Dinoroseobacter shibae DFL-12 | Dshi_1668 | | nitrite reductase (NAD(P)H), small subunit (RefSeq) | sig. | 53 | 99 |
| o | Sinorhizobium meliloti 1021 | SM_b20985 | | nitrite reductase [NAD(P)H], small subunit protein | no data | 51 | 96 |
| o | Sphingobium sp. HT1-2 | GFF1182 | | Nitrite reductase [NAD(P)H] small subunit (EC 1.7.1.4) | insig. | 46 | 98 |
| | Hydrogenophaga sp. GW460-11-11-14-LB1 | GFF5477 | | Probable ferredoxin subunit of a ring-hydroxylating dioxygenase oxidoreductase protein (EC 1.-.-.-) | insig. | 34 | 96 |
| o | Xanthobacter sp. DMC5 | GFF1069 | | Toluene-4-monooxygenase system, ferredoxin component | insig. | 31 | 96 |
| | Pseudomonas fluorescens FW300-N2E3 | AO353_24915 | | hypothetical protein | sig. | 30 | 99 |
| | Methylophilus sp. DMC18 | GFF2010 | | 3-phenylpropionate/cinnamic acid dioxygenase ferredoxin subunit | insig. | 35 | 96 |
| | Rhizobium sp. OAE497 | ABIE40_RS22815 | | MocE family 2Fe-2S type ferredoxin | insig. | 35 | 98 |
| | Sinorhizobium meliloti 1021 | SMc01993 | | dioxygenase ferredoxin protein | insig. | 38 | 78 |
| o | Dyella japonica UNC79MFTsu3.2 | ABZR86_RS09430 | | non-heme iron oxygenase ferredoxin subunit | strong | 36 | 88 |
| o | Pedobacter sp. GW460-11-11-14-LB5 | CA265_RS10000 | | nitrite reductase small subunit | sig. | 31 | 97 |
| | Pantoea sp. MT58 | IAI47_14950 | | FAD-dependent oxidoreductase | insig. | 34 | 89 |
| | Pantoea agglomerans CFBP13505 P0401 | PagCFBP13505_RS10200 | | Rieske 2Fe-2S domain-containing protein | cofit | 36 | 87 |
| o | Rhodanobacter sp000427505 FW510-R12 | LRK53_RS06915 | | non-heme iron oxygenase ferredoxin subunit | cofit | 34 | 99 |
| o | Cupriavidus basilensis FW507-4G11 | RR42_RS33940 | | naphthalene 1,2-dioxygenase | insig. | 31 | 97 |
| o | Ralstonia solanacearum PSI07 | RPSI07_RS05605 | | nitrite reductase (NAD(P)H) small subunit | insig. | 35 | 97 |
| | Pseudomonas fluorescens FW300-N1B4 | Pf1N1B4_5993 | | Ferredoxin, 2Fe-2S | no data | 32 | 82 |
| | Ralstonia solanacearum PSI07 | RPSI07_RS18835 | | non-heme iron oxygenase ferredoxin subunit | no data | 30 | 96 |
| | Synechococcus elongatus PCC 7942 | Synpcc7942_2036 | | hypothetical protein | cofit | 33 | 86 |
| o | Rhodanobacter denitrificans MT42 | LRK55_RS02805 | | non-heme iron oxygenase ferredoxin subunit | insig. | 33 | 99 |
| o | Rhodanobacter denitrificans FW104-10B01 | LRK54_RS03055 | | non-heme iron oxygenase ferredoxin subunit | sig. | 33 | 99 |
| | Pseudomonas fluorescens FW300-N2E3 | AO353_23120 | | 3-phenylpropionate dioxygenase | insig. | 49 | 46 |
| | Sinorhizobium meliloti 1021 | SM_b20819 | | ferredoxin | insig. | 33 | 97 |
| | Pseudomonas fluorescens FW300-N2E3 | AO353_21025 | | (2Fe-2S)-binding protein | no data | 31 | 86 |
| o | Ralstonia solanacearum IBSBF1503 | RALBFv3_RS14625 | | non-heme iron oxygenase ferredoxin subunit | no data | 29 | 98 |
| o | Ralstonia solanacearum UW163 | UW163_RS12095 | | non-heme iron oxygenase ferredoxin subunit | insig. | 29 | 98 |
| o | Ralstonia solanacearum GMI1000 | RS_RS05405 | | non-heme iron oxygenase ferredoxin subunit | sig. | 30 | 98 |
| o | Paraburkholderia sabiae LMG 24235 | QEN71_RS37805 | | nitrite reductase small subunit NirD | insig. | 32 | 99 |
| | Ralstonia solanacearum GMI1000 | RS_RS23030 | | nitrite reductase (NAD(P)H) small subunit | insig. | 34 | 97 |
| o | Rhodanobacter sp. FW510-T8 | OKGIIK_09925 | nirD | benzene 1,2-dioxygenase | sig. | 33 | 99 |
| o | Mucilaginibacter yixingensis YX-36 DSM 26809 | ABZR88_RS16915 | | nitrite reductase small subunit NirD | cofit | 31 | 96 |
| | Rhizobium sp. OAE497 | ABIE40_RS20410 | | MocE family 2Fe-2S type ferredoxin | insig. | 32 | 97 |
| | Alteromonas macleodii MIT1002 | MIT1002_04155 | | Rhodocoxin reductase | cofit | 36 | 64 |
| o | Klebsiella pneumoniae MKP103 | KDGMDA_04545 | | naphthalene 1 2-dioxygenase | insig. | 33 | 88 |
| | Pseudomonas fluorescens FW300-N2C3 | AO356_29125 | | vanillate monooxygenase | insig. | 30 | 84 |
| | Pseudomonas fluorescens FW300-N2E2 | Pf6N2E2_4027 | | Ferredoxin reductase | insig. | 39 | 72 |
| o | Pseudomonas lactucae CFBP13502 | GEMAOFIL_02529 | | Naphthalene 1,2-dioxygenase system, ferredoxin component | cofit | 33 | 96 |
| o | Enterobacter sp. TBS_079 | MPMX20_03796 | | Naphthalene 1,2-dioxygenase system, ferredoxin component | sig. | 33 | 88 |
| | Acidovorax sp. GW101-3H11 | Ac3H11_215 | | Probable ferredoxin subunit of a ring-hydroxylating dioxygenase oxidoreductase protein (EC 1.-.-.-) | insig. | 32 | 97 |
| | Methylophilus sp. DMC18 | GFF199 | | Nitrite reductase (NADH) small subunit | cofit | 33 | 96 |
| | Pseudomonas orientalis W4I3 | QF045_RS13505 | | MocE family 2Fe-2S type ferredoxin | cofit | 32 | 96 |
| | Pseudomonas aeruginosa PUPa3 | DQ20_RS41635 | | aromatic ring-hydroxylating dioxygenase subunit alpha | insig. | 32 | 95 |
| o | Acinetobacter radioresistens SK82 | MPMX26_01896 | | Naphthalene 1,2-dioxygenase system, ferredoxin component | no data | 29 | 96 |
| | Sinorhizobium meliloti 1021 | SMa2053 | | MocE-like protein | insig. | 31 | 93 |
| | Pseudomonas fluorescens FW300-N1B4 | Pf1N1B4_4392 | | MocE | insig. | 33 | 96 |
| | Acinetobacter radioresistens SK82 | MPMX26_00329 | | 3-phenylpropionate/cinnamic acid dioxygenase ferredoxin subunit | no data | 36 | 73 |
| o | Lysobacter sp. OAE881 | ABIE51_RS15755 | | non-heme iron oxygenase ferredoxin subunit | insig. | 37 | 98 |
| | Herbaspirillum seropedicae SmR1 | HSERO_RS18275 | | CDP-6-deoxy-L-threo-D-glycero-4-hexulose-3- dehydrase reductase | insig. | 35 | 95 |
| | Paraburkholderia bryophila 376MFSha3.1 | H281DRAFT_03655 | | hypothetical protein | sig. | 33 | 68 |
| | Ralstonia solanacearum IBSBF1503 | RALBFv3_RS18000 | | nitrite reductase (NAD(P)H) small subunit | sig. | 33 | 97 |
| | Ralstonia solanacearum UW163 | UW163_RS21130 | | nitrite reductase (NAD(P)H) small subunit | insig. | 33 | 97 |
| | Burkholderia phytofirmans PsJN | BPHYT_RS13570 | | cytochrome P450 | insig. | 33 | 80 |
| o | Salmonella enterica subsp. enterica serovar Typhimurium str. MS1868 | GFF3703 | | Nitrite reductase [NAD(P)H] small subunit (EC 1.7.1.4) | insig. | 32 | 99 |
| | Pseudomonas simiae WCS417 | PS417_11100 | | MocE | insig. | 31 | 96 |
| | Cellulophaga baltica 18 | M666_RS04610 | | nitrite reductase small subunit NirD | insig. | 31 | 98 |
| | Burkholderia phytofirmans PsJN | BPHYT_RS35065 | | Rieske (2Fe-2S) protein | insig. | 40 | 51 |
| | Variovorax sp. OAS795 | ABID97_RS16365 | | non-heme iron oxygenase ferredoxin subunit | insig. | 35 | 75 |
| | Paraburkholderia graminis OAS925 | ABIE53_004603 | | phenylpropionate dioxygenase-like ring-hydroxylating dioxygenase large terminal subunit | strong | 33 | 68 |
| | Enterobacter asburiae PDN3 | EX28DRAFT_0845 | | nitrite reductase [NAD(P)H], large subunit/nitrite reductase [NAD(P)H], small subunit | insig. | 33 | 96 |
| | Paraburkholderia graminis OAS925 | ABIE53_005984 | | nitrite reductase/ring-hydroxylating ferredoxin subunit | strong | 42 | 64 |
| | Bosea sp. OAE506 | ABIE41_RS20315 | | Rieske 2Fe-2S domain-containing protein | insig. | 34 | 69 |
| | Variovorax sp. SCN45 | GFF196 | | Probable ferredoxin subunit of a ring-hydroxylating dioxygenase oxidoreductase protein (EC 1.-.-.-) | insig. | 33 | 78 |
| | Acinetobacter baumannii LAC-4 | RR41_RS07885 | | nitrite reductase small subunit NirD | insig. | 32 | 98 |
| | Hydrogenophaga sp. GW460-11-11-14-LB1 | GFF3707 | | Vanillate O-demethylase oxygenase subunit (EC 1.14.13.82) | insig. | 45 | 46 |
| | Serratia liquefaciens MT49 | IAI46_21120 | | non-heme iron oxygenase ferredoxin subunit | insig. | 33 | 75 |
| | Echinicola vietnamensis KMM 6221, DSM 17526 | Echvi_1900 | | nitrite reductase [NAD(P)H], small subunit | strong | 29 | 98 |
| | Cupriavidus basilensis FW507-4G11 | RR42_RS31165 | | ferredoxin | insig. | 40 | 51 |
| | Paraburkholderia bryophila 376MFSha3.1 | H281DRAFT_03634 | | 3-phenylpropionate/trans-cinnamate dioxygenase ferredoxin subunit | insig. | 36 | 68 |
| | Sphingobium sp. HT1-2 | GFF459 | | hypothetical protein | cofit | 34 | 69 |
| | Paraburkholderia graminis OAS925 | ABIE53_001854 | | nitrite reductase (NADH) small subunit | insig. | 33 | 97 |
| | Pseudomonas fluorescens GW456-L13 | PfGW456L13_4899 | | Ferredoxin, 2Fe-2S | no data | 29 | 82 |
| | Burkholderia phytofirmans PsJN | BPHYT_RS34930 | | Rieske (2Fe-2S) protein | sig. | 38 | 54 |
| | Pantoea sp. MT58 | IAI47_11170 | | nitrite reductase small subunit NirD | strong | 37 | 95 |
| | Paraburkholderia bryophila 376MFSha3.1 | H281DRAFT_00663 | | assimilatory nitrite reductase (NAD(P)H) small subunit (EC 1.7.1.4) | insig. | 33 | 99 |