| Orth | Species | Gene | Name | Description | Fitness | %Id | Cov |
| | Klebsiella michiganensis M5al | BWI76_RS17330 | | nitrate reductase subunit beta | strong | 100 | 100 |
| o | Klebsiella pneumoniae MKP103 | KDGMDA_24555 | | nitrate reductase subunit beta | insig. | 98 | 100 |
| o | Enterobacter asburiae PDN3 | EX28DRAFT_0852 | | respiratory nitrate reductase beta subunit | cofit | 97 | 100 |
| o | Enterobacter sp. TBS_079 | MPMX20_02614 | | Respiratory nitrate reductase 1 beta chain | insig. | 96 | 100 |
| o | Salmonella enterica subsp. enterica serovar Typhimurium str. MS1868 | GFF2761 | | Respiratory nitrate reductase beta chain (EC 1.7.99.4) | insig. | 96 | 100 |
| o | Escherichia coli ECOR38 | HEPCGN_25005 | narH | nitrate reductase subunit beta | insig. | 92 | 100 |
| o | Escherichia coli BW25113 | b1225 | narH | nitrate reductase 1, beta (Fe-S) subunit (NCBI) | sig. | 92 | 100 |
| o | Escherichia fergusonii Becca | EFB2_02700 | | Respiratory nitrate reductase 1 beta chain | insig. | 92 | 100 |
| o | Escherichia coli Nissle 1917 | ECOLIN_RS07400 | | nitrate reductase subunit beta | no data | 92 | 100 |
| o | Escherichia coli BL21 | ECD_01203 | | nitrate reductase 1, beta (Fe-S) subunit | insig. | 92 | 100 |
| o | Escherichia coli ECRC100 | OKFHMN_28545 | narH | nitrate reductase subunit beta | insig. | 92 | 100 |
| o | Escherichia coli ECRC101 | MCAODC_21715 | narH | nitrate reductase subunit beta | insig. | 92 | 100 |
| o | Escherichia coli ECRC102 | NIAGMN_27690 | narH | nitrate reductase subunit beta | cofit | 92 | 100 |
| o | Escherichia coli ECRC62 | BNILDI_18660 | narH | nitrate reductase subunit beta | cofit | 92 | 100 |
| o | Escherichia coli ECRC98 | JDDGAC_06030 | narH | nitrate reductase subunit beta | insig. | 92 | 100 |
| o | Escherichia coli ECRC99 | KEDOAH_25540 | narH | nitrate reductase subunit beta | no data | 92 | 100 |
| o | Escherichia coli ECOR27 | NOLOHH_20510 | narH | nitrate reductase subunit beta | insig. | 92 | 100 |
| o | Escherichia coli HS(pFamp)R (ATCC 700891) | OHPLBJKB_02458 | | Respiratory nitrate reductase 1 beta chain | cofit | 92 | 100 |
| o | Serratia liquefaciens MT49 | IAI46_15520 | | nitrate reductase subunit beta | cofit | 89 | 99 |
| o | Pectobacterium carotovorum WPP14 | HER17_RS09780 | | nitrate reductase subunit beta | insig. | 87 | 99 |
| o | Pantoea agglomerans CFBP13505 P0401 | PagCFBP13505_RS16710 | | nitrate reductase subunit beta | insig. | 86 | 99 |
| o | Rahnella sp. WP5 | EX31_RS09315 | | nitrate reductase subunit beta | insig. | 84 | 99 |
| o | Dickeya dadantii 3937 | DDA3937_RS11920 | | nitrate reductase subunit beta | cofit | 84 | 99 |
| o | Dickeya dianthicola ME23 | DZA65_RS12460 | | nitrate reductase subunit beta | cofit | 83 | 99 |
| o | Pantoea sp. MT58 | IAI47_04260 | | nitrate reductase subunit beta | cofit | 85 | 99 |
| o | Dickeya dianthicola 67-19 | HGI48_RS12010 | | nitrate reductase subunit beta | insig. | 83 | 99 |
| | Klebsiella pneumoniae MKP103 | KDGMDA_22870 | | nitrate reductase subunit beta | insig. | 83 | 99 |
| | Enterobacter sp. TBS_079 | MPMX20_02387 | | Respiratory nitrate reductase 2 beta chain | insig. | 81 | 99 |
| | Salmonella enterica subsp. enterica serovar Typhimurium str. MS1868 | GFF2569 | | Respiratory nitrate reductase beta chain (EC 1.7.99.4) | cofit | 81 | 99 |
| | Klebsiella michiganensis M5al | BWI76_RS13660 | | nitrate reductase subunit beta | insig. | 81 | 99 |
| | Escherichia coli ECOR27 | NOLOHH_19090 | narH | nitrate reductase subunit beta | insig. | 80 | 99 |
| | Escherichia coli BW25113 | b1467 | narY | nitrate reductase 2 (NRZ), beta subunit (NCBI) | insig. | 80 | 99 |
| | Escherichia coli ECOR38 | HEPCGN_26365 | narH | nitrate reductase subunit beta | insig. | 80 | 99 |
| | Escherichia coli ECRC100 | OKFHMN_01425 | narH | nitrate reductase subunit beta | insig. | 80 | 99 |
| | Escherichia coli ECRC101 | MCAODC_16515 | narH | nitrate reductase subunit beta | insig. | 80 | 99 |
| | Escherichia coli ECRC102 | NIAGMN_25555 | narH | nitrate reductase subunit beta | insig. | 80 | 99 |
| | Escherichia coli ECRC62 | BNILDI_17575 | narH | nitrate reductase subunit beta | insig. | 80 | 99 |
| | Escherichia coli ECRC98 | JDDGAC_03915 | narH | nitrate reductase subunit beta | insig. | 80 | 99 |
| | Escherichia coli ECRC99 | KEDOAH_27015 | narH | nitrate reductase subunit beta | no data | 80 | 99 |
| | Escherichia coli HS(pFamp)R (ATCC 700891) | OHPLBJKB_02250 | | Respiratory nitrate reductase 2 beta chain | insig. | 80 | 99 |
| | Escherichia coli Nissle 1917 | ECOLIN_RS08470 | | nitrate reductase subunit beta | insig. | 80 | 99 |
| | Escherichia fergusonii Becca | EFB2_02524 | | Respiratory nitrate reductase 2 beta chain | insig. | 80 | 99 |
| | Escherichia coli BL21 | ECD_01425 | | nitrate reductase 2 (NRZ), beta subunit | insig. | 80 | 99 |
| o | Pseudomonas aeruginosa PA14 | IKLFDK_19960 | | nitrate reductase subunit beta | cofit | 75 | 99 |
| o | Pseudomonas stutzeri RCH2 | Psest_3485 | | nitrate reductase, beta subunit | strong | 74 | 99 |
| o | Rhodanobacter sp. FW510-T8 | OKGIIK_05305 | narH | nitrate reductase subunit beta | insig. | 73 | 100 |
| o | Pseudomonas fluorescens FW300-N1B4 | Pf1N1B4_5734 | | Respiratory nitrate reductase beta chain (EC 1.7.99.4) | strong | 77 | 92 |
| o | Pseudomonas fluorescens FW300-N2E3 | AO353_22100 | | nitrate reductase | strong | 77 | 92 |
| o | Rhodanobacter denitrificans MT42 | LRK55_RS13715 | | nitrate reductase subunit beta | cofit | 73 | 98 |
| o | Paraburkholderia sabiae LMG 24235 | QEN71_RS10430 | | nitrate reductase subunit beta | insig. | 73 | 97 |
| o | Pseudomonas sp. SVBP6 | COO64_RS14235 | narH | nitrate reductase subunit beta | insig. | 77 | 92 |
| o | Pseudomonas simiae WCS417 | PS417_15715 | | nitrate reductase | sig. | 77 | 92 |
| o | Rhodanobacter denitrificans FW104-10B01 | LRK54_RS13995 | | nitrate reductase subunit beta | strong | 73 | 98 |
| o | Pseudomonas fluorescens FW300-N2E2 | Pf6N2E2_730 | | Respiratory nitrate reductase beta chain (EC 1.7.99.4) | strong | 76 | 92 |
| o | Pseudomonas lactucae CFBP13502 | GEMAOFIL_03423 | | Respiratory nitrate reductase 2 beta chain | cofit | 76 | 92 |
| | Rhodanobacter sp000427505 FW510-R12 | LRK53_RS14615 | | nitrate reductase subunit beta | insig. | 73 | 98 |
| o | Pseudomonas fluorescens FW300-N2C3 | AO356_25210 | | nitrate reductase | strong | 76 | 92 |
| | Cupriavidus basilensis FW507-4G11 | RR42_RS08920 | | nitrate reductase | insig. | 70 | 99 |
| o | Pseudomonas sp. RS175 | PFR28_01633 | | Respiratory nitrate reductase 2 beta chain | insig. | 76 | 92 |
| o | Castellaniella sp019104865 MT123 | ABCV34_RS15165 | | nitrate reductase subunit beta | strong | 73 | 97 |
| o | Xanthobacter sp. DMC5 | GFF4738 | | Respiratory nitrate reductase 1 beta chain | insig. | 72 | 97 |
| o | Hydrogenophaga sp. GW460-11-11-14-LB1 | GFF5827 | | Respiratory nitrate reductase beta chain (EC 1.7.99.4) | insig. | 70 | 99 |
| o | Paraburkholderia graminis OAS925 | ABIE53_005350 | | nitrate reductase beta subunit | insig. | 70 | 99 |
| | Acidovorax sp. GW101-3H11 | Ac3H11_4493 | | Respiratory nitrate reductase beta chain (EC 1.7.99.4) | strong | 69 | 99 |
| | Cupriavidus basilensis FW507-4G11 | RR42_RS08815 | | nitrate reductase | insig. | 69 | 97 |
| | Ralstonia solanacearum IBSBF1503 | RALBFv3_RS16745 | | nitrate reductase subunit beta | insig. | 70 | 98 |
| | Ralstonia solanacearum UW163 | UW163_RS18100 | | nitrate reductase subunit beta | insig. | 70 | 98 |
| | Ralstonia solanacearum PSI07 | RPSI07_RS06700 | | nitrate reductase subunit beta | cofit | 70 | 98 |
| | Ralstonia solanacearum GMI1000 | RS_RS21820 | | nitrate reductase subunit beta | insig. | 68 | 99 |
| o | Herbaspirillum seropedicae SmR1 | HSERO_RS18170 | | nitrate reductase A subunit beta | insig. | 69 | 97 |
| | Mycobacterium tuberculosis H37Rv | Rv1162 | | Probable respiratory nitrate reductase (beta chain) NarH | insig. | 54 | 94 |
| | Dechlorosoma suillum PS | Dsui_0148 | | DMSO reductase family type II enzyme, iron-sulfur subunit | strong | 35 | 73 |
| | Dechlorosoma suillum PS | Dsui_2508 | | Fe-S-cluster-containing hydrogenase subunit | cofit | 47 | 21 |
| | Azospirillum brasilense Sp245 | AZOBR_RS23550 | | tetrathionate reductase subunit B | insig. | 39 | 27 |
| | Shewanella sp. ANA-3 | Shewana3_0635 | | 4Fe-4S ferredoxin iron-sulfur binding domain-containing protein (RefSeq) | insig. | 39 | 22 |
| | Serratia liquefaciens MT49 | IAI46_04870 | | tetrathionate reductase subunit TtrB | insig. | 41 | 21 |
| | Salmonella enterica subsp. enterica serovar Typhimurium str. MS1868 | GFF3574 | | Tetrathionate reductase subunit B | insig. | 45 | 18 |
| | Magnetospirillum magneticum AMB-1 | AMB_RS16595 | | 4Fe-4S dicluster domain-containing protein | cofit | 38 | 23 |
| | Shewanella loihica PV-4 | Shew_3244 | | 4Fe-4S ferredoxin iron-sulfur binding domain-containing protein (RefSeq) | insig. | 42 | 19 |
| | Lysobacter sp. OAE881 | ABIE51_RS02980 | | 4Fe-4S dicluster domain-containing protein | strong | 44 | 19 |
| | Escherichia coli ECOR38 | HEPCGN_06145 | dmsB | dimethylsulfoxide reductase subunit B | insig. | 36 | 26 |
| | Magnetospirillum magneticum AMB-1 | AMB_RS17930 | | 4Fe-4S dicluster domain-containing protein | strong | 46 | 18 |
| | Rahnella sp. WP5 | EX31_RS18495 | | dimethylsulfoxide reductase subunit B | insig. | 37 | 24 |
| | Escherichia coli ECOR27 | NOLOHH_18270 | dmsB | dimethylsulfoxide reductase subunit B | no data | 43 | 19 |
| | Escherichia coli BL21 | ECD_01558 | | oxidoreductase, Fe-S subunit | no data | 43 | 19 |
| | Escherichia fergusonii Becca | EFB2_02403 | | Anaerobic dimethyl sulfoxide reductase chain B | insig. | 43 | 19 |
| | Escherichia coli ECRC100 | OKFHMN_27765 | dmsB | dimethylsulfoxide reductase subunit B | no data | 43 | 19 |
| | Escherichia coli ECRC101 | MCAODC_17645 | dmsB | dimethylsulfoxide reductase subunit B | insig. | 43 | 19 |
| | Escherichia coli ECRC102 | NIAGMN_00310 | dmsB | dimethylsulfoxide reductase subunit B | insig. | 43 | 19 |
| | Escherichia coli ECRC62 | BNILDI_17060 | dmsB | dimethylsulfoxide reductase subunit B | insig. | 43 | 19 |
| | Escherichia coli ECRC98 | JDDGAC_02355 | dmsB | dimethylsulfoxide reductase subunit B | insig. | 43 | 19 |
| | Escherichia coli ECRC99 | KEDOAH_00340 | dmsB | dimethylsulfoxide reductase subunit B | no data | 43 | 19 |
| | Escherichia coli HS(pFamp)R (ATCC 700891) | OHPLBJKB_02137 | | Anaerobic dimethyl sulfoxide reductase chain B | insig. | 43 | 19 |
| | Escherichia coli Nissle 1917 | ECOLIN_RS08880 | | DMSO reductase like molybdoenzyme iron-sulfur subunit YnfG | no data | 43 | 19 |
| | Escherichia coli BW25113 | b1589 | ynfG | oxidoreductase, Fe-S subunit (NCBI) | insig. | 43 | 19 |
| | Escherichia coli Nissle 1917 | ECOLIN_RS04760 | | dimethylsulfoxide reductase iron-sulfur subunit DmsB | no data | 43 | 19 |
| | Escherichia coli BL21 | ECD_00899 | | dimethyl sulfoxide reductase, anaerobic, subunit B | insig. | 43 | 19 |
| | Escherichia coli ECOR27 | NOLOHH_22110 | dmsB | dimethylsulfoxide reductase subunit B | insig. | 43 | 19 |
| | Escherichia coli ECRC100 | OKFHMN_05540 | dmsB | dimethylsulfoxide reductase subunit B | insig. | 43 | 19 |
| | Escherichia coli ECRC101 | MCAODC_24930 | dmsB | dimethylsulfoxide reductase subunit B | insig. | 43 | 19 |