| Orth | Species | Gene | Name | Description | Fitness | %Id | Cov |
| | Methanococcus maripaludis JJ | MMJJ_RS01435 | | 4Fe-4S binding protein | cofit | 100 | 100 |
| o | Methanococcus maripaludis S2 | MMP_RS03615 | | 4Fe-4S binding protein | strong | 97 | 100 |
| | Castellaniella sp019104865 MT123 | ABCV34_RS01595 | | 4Fe-4S binding protein | insig. | 32 | 72 |
| | Acidovorax sp. GW101-3H11 | Ac3H11_1131 | | Nitrous oxide reductase maturation protein NosR | insig. | 31 | 72 |
| | Azospirillum brasilense Sp245 | AZOBR_RS28295 | | FMN-binding protein | insig. | 35 | 71 |
| | Pectobacterium carotovorum WPP14 | HER17_RS11595 | | 4Fe-4S binding protein | insig. | 34 | 75 |
| | Ralstonia solanacearum GMI1000 | RS_RS23725 | | regulatory protein NosR | insig. | 30 | 70 |
| | Dinoroseobacter shibae DFL-12 | Dshi_3181 | | FMN-binding domain protein (RefSeq) | insig. | 31 | 88 |
| | Sinorhizobium meliloti 1021 | SMa1179 | | NosR regulatory protein for N2O reductase | insig. | 32 | 73 |
| | Marinobacter adhaerens HP15 | HP15_3833 | | nitrous-oxide reductase transcriptional activator NosR | insig. | 34 | 70 |
| | Rhodopseudomonas palustris CGA009 | TX73_010620 | | 4Fe-4S binding protein | strong | 30 | 71 |
| | Escherichia fergusonii Becca | EFB2_03087 | | Putative electron transport protein YccM | insig. | 31 | 75 |
| | Pseudomonas fluorescens FW300-N1B4 | Pf1N1B4_5782 | | Nitrous oxide reductase maturation protein NosR | insig. | 29 | 90 |
| | Rhodanobacter sp000427505 FW510-R12 | LRK53_RS14305 | | NosR/NirI family protein | insig. | 25 | 94 |
| | Escherichia coli Nissle 1917 | ECOLIN_RS05180 | | 4Fe-4S binding protein | no data | 31 | 75 |
| | Escherichia coli BL21 | ECD_00995 | | putative 4Fe-4S membrane protein | insig. | 30 | 75 |
| | Escherichia coli HS(pFamp)R (ATCC 700891) | OHPLBJKB_02675 | | Putative electron transport protein YccM | insig. | 30 | 75 |
| | Rhodanobacter denitrificans MT42 | LRK55_RS14025 | | NosR/NirI family protein | insig. | 26 | 94 |
| | Escherichia coli ECRC62 | BNILDI_19780 | yccM | Putative electron transport protein YccM | insig. | 30 | 75 |
| | Escherichia coli ECRC100 | OKFHMN_04725 | yccM | Putative electron transport protein YccM | insig. | 30 | 75 |
| | Escherichia coli ECRC101 | MCAODC_24110 | yccM | Putative electron transport protein YccM | insig. | 30 | 75 |
| | Escherichia coli ECRC102 | NIAGMN_23125 | yccM | Putative electron transport protein YccM | insig. | 30 | 75 |
| | Escherichia coli ECRC98 | JDDGAC_08335 | yccM | Putative electron transport protein YccM | insig. | 30 | 75 |
| | Escherichia coli ECRC99 | KEDOAH_23020 | yccM | Putative electron transport protein YccM | no data | 30 | 75 |
| | Escherichia coli ECOR38 | HEPCGN_23420 | yccM | Putative electron transport protein YccM | insig. | 29 | 75 |
| | Rhodanobacter denitrificans FW104-10B01 | LRK54_RS14305 | | NosR/NirI family protein | insig. | 26 | 94 |
| | Escherichia coli ECOR27 | NOLOHH_21615 | yccM | Putative electron transport protein YccM | insig. | 30 | 75 |
| | Escherichia coli BW25113 | b0992 | yccM | predicted 4Fe-4S membrane protein (NCBI) | insig. | 29 | 75 |
| | Rhodanobacter sp. FW510-T8 | OKGIIK_03170 | nosR | regulatory protein NosR | insig. | 25 | 88 |
| | Azospirillum sp. SherDot2 | MPMX19_03058 | | hypothetical protein | insig. | 31 | 71 |
| | Shewanella loihica PV-4 | Shew_3549 | | 4Fe-4S ferredoxin iron-sulfur binding domain-containing protein (RefSeq) | insig. | 28 | 71 |
| | Dechlorosoma suillum PS | Dsui_3303 | | ferredoxin-type protein, NapH/MauN family | cofit | 25 | 95 |
| | Desulfovibrio vulgaris Hildenborough JW710 | DVU2493 | b0992 | iron-sulfur cluster-binding protein (TIGR) | insig. | 24 | 83 |
| | Pseudomonas stutzeri RCH2 | Psest_0792 | | Regulator of nitric oxide reductase transcription | cofit | 28 | 88 |
| | Pseudomonas fluorescens FW300-N2E2 | Pf6N2E2_1408 | | Nitrous oxide reductase maturation protein NosR | insig. | 30 | 70 |
| | Parabacteroides merdae CL09T00C40 | HMPREF1078_RS01085 | | 4Fe-4S dicluster domain-containing protein | sig. | 26 | 76 |
| | Pseudomonas fluorescens FW300-N2C3 | AO356_28145 | | ferredoxin | insig. | 30 | 70 |
| | Salmonella enterica subsp. enterica serovar Typhimurium str. MS1868 | GFF1819 | | Polyferredoxin NapH (periplasmic nitrate reductase) | insig. | 26 | 77 |
| | Pseudomonas aeruginosa MRSN321 | DY961_RS15980 | | regulatory protein NosR | insig. | 27 | 88 |
| | Pseudomonas aeruginosa PA14 | IKLFDK_17405 | | Regulatory protein NosR | insig. | 27 | 88 |
| | Shewanella sp. ANA-3 | Shewana3_0307 | | 4Fe-4S ferredoxin iron-sulfur binding domain-containing protein (RefSeq) | insig. | 26 | 89 |
| | Alteromonas macleodii MIT1002 | MIT1002_03320 | | Putative electron transport protein YccM | cofit | 33 | 70 |
| | Dinoroseobacter shibae DFL-12 | Dshi_3193 | | FMN-binding domain protein (RefSeq) | insig. | 27 | 73 |
| | Bacteroides ovatus ATCC 8483 | BACOVA_00767 | | 4Fe-4S binding domain protein | insig. | 26 | 78 |
| | Escherichia coli ECOR38 | HEPCGN_22530 | napH | quinol dehydrogenase ferredoxin subunit NapH | insig. | 23 | 77 |
| | Pseudomonas sp. RS175 | PFR28_02246 | | hypothetical protein | insig. | 29 | 72 |
| | Methanococcus maripaludis JJ | MMJJ_RS01270 | | 4Fe-4S binding protein | strong | 27 | 75 |
| | Shewanella oneidensis MR-1 | SO4404 | | iron-sulfur cluster-binding protein (NCBI ptt file) | insig. | 27 | 93 |
| | Pseudomonas aeruginosa PUPa3 | DQ20_RS41100 | | regulatory protein NosR | insig. | 27 | 88 |
| | Dinoroseobacter shibae DFL-12 | Dshi_0686 | | regulatory protein, putative (RefSeq) | insig. | 30 | 71 |
| | Bacteroides thetaiotaomicron VPI-5482 | BT0963 | | putative ferredoxin-type protein (NCBI ptt file) | sig. | 25 | 76 |
| | Methanococcus maripaludis S2 | MMP_RS03780 | | 4Fe-4S binding protein | strong | 28 | 75 |
| | Escherichia fergusonii Becca | EFB2_01652 | | Ferredoxin-type protein NapH | insig. | 23 | 77 |
| | Escherichia coli ECOR27 | NOLOHH_14840 | napH | quinol dehydrogenase ferredoxin subunit NapH | insig. | 23 | 77 |
| | Escherichia coli ECRC101 | MCAODC_14315 | napH | quinol dehydrogenase ferredoxin subunit NapH | insig. | 23 | 77 |
| | Escherichia coli ECRC102 | NIAGMN_21030 | napH | quinol dehydrogenase ferredoxin subunit NapH | insig. | 23 | 77 |
| | Escherichia coli ECRC62 | BNILDI_13760 | napH | quinol dehydrogenase ferredoxin subunit NapH | cofit | 23 | 77 |
| | Escherichia coli ECRC98 | JDDGAC_27225 | napH | quinol dehydrogenase ferredoxin subunit NapH | insig. | 23 | 77 |
| | Escherichia coli ECRC99 | KEDOAH_04920 | napH | quinol dehydrogenase ferredoxin subunit NapH | no data | 23 | 77 |
| | Escherichia coli Nissle 1917 | ECOLIN_RS12875 | | quinol dehydrogenase ferredoxin subunit NapH | no data | 23 | 77 |
| | Shewanella loihica PV-4 | Shew_3399 | | FMN-binding domain-containing protein (RefSeq) | insig. | 31 | 70 |
| | Escherichia coli BL21 | ECD_02131 | | ferredoxin-type protein | insig. | 23 | 77 |
| | Escherichia coli HS(pFamp)R (ATCC 700891) | OHPLBJKB_01507 | | Ferredoxin-type protein NapH | insig. | 23 | 77 |
| | Escherichia coli BW25113 | b2204 | napH | quinol dehydrogenase membrane component (NCBI) | sig. | 23 | 77 |
| | Pontibacter actiniarum KMM 6156, DSM 19842 | CA264_05765 | | cytochrome c oxidase accessory protein CcoG | strong | 26 | 72 |
| | Escherichia coli ECRC100 | OKFHMN_23265 | napH | quinol dehydrogenase ferredoxin subunit NapH | insig. | 23 | 77 |
| | Parabacteroides merdae CL09T00C40 | HMPREF1078_RS09465 | | 4Fe-4S binding protein | insig. | 25 | 75 |
| | Bacteroides stercoris CC31F | HMPREF1181_RS15605 | | 4Fe-4S binding protein | insig. | 34 | 40 |
| | Dinoroseobacter shibae DFL-12 | Dshi_3163 | | ferredoxin-type protein, NapH/MauN family (RefSeq) | insig. | 26 | 78 |
| | Bacteroides thetaiotaomicron VPI-5482 | BT0775 | | ferredoxin-type protein (NCBI ptt file) | insig. | 25 | 79 |
| | Desulfovibrio vulgaris Miyazaki F | DvMF_3053 | | 4Fe-4S ferredoxin, iron-sulfur binding domain protein (RefSeq) | cofit | 25 | 78 |
| | Desulfovibrio vulgaris Miyazaki F | DvMF_0945 | | 4Fe-4S ferredoxin iron-sulfur binding domain protein (RefSeq) | strong | 22 | 83 |
| | Magnetospirillum magneticum AMB-1 | AMB_RS15505 | | NapH/MauN family ferredoxin-type protein | cofit | 27 | 73 |
| | Magnetospirillum magneticum AMB-1 | AMB_RS04820 | | 4Fe-4S binding protein | cofit | 26 | 74 |
| | Pseudomonas fluorescens FW300-N1B4 | Pf1N1B4_4673 | | 4Fe-4S ferredoxin, iron-sulfur binding | strong | 27 | 75 |
| | Bacteroides ovatus ATCC 8483 | BACOVA_02507 | | putative ferredoxin-type protein NapF | insig. | 33 | 37 |
| | Phocaeicola vulgatus CL09T03C04 | HMPREF1058_RS08780 | | 4Fe-4S binding protein | strong | 34 | 43 |
| | Pseudomonas fluorescens GW456-L13 | PfGW456L13_3259 | | 4Fe-4S ferredoxin, iron-sulfur binding | insig. | 26 | 75 |
| | Pseudomonas fluorescens FW300-N2E2 | Pf6N2E2_2126 | | 4Fe-4S ferredoxin, iron-sulfur binding | strong | 25 | 75 |
| | Pseudomonas sp. SVBP6 | COO64_RS17435 | ccoG | cytochrome c oxidase accessory protein CcoG | insig. | 26 | 75 |
| | Shewanella amazonensis SB2B | Sama_2985 | napH | quinol dehydrogenase membrane component (RefSeq) | insig. | 25 | 75 |
| | Pseudomonas fluorescens FW300-N2E3 | AO353_22925 | | (Fe-S)-binding protein | insig. | 25 | 75 |
| | Pseudomonas stutzeri RCH2 | Psest_2531 | | cytochrome c oxidase accessory protein FixG | strong | 24 | 75 |
| | Pedobacter sp. GW460-11-11-14-LB5 | CA265_RS01390 | | cytochrome c oxidase accessory protein CcoG | insig. | 23 | 89 |
| | Pseudomonas sp. RS175 | PFR28_01313 | | hypothetical protein | strong | 24 | 75 |
| | Pseudomonas orientalis W4I3 | QF045_RS22555 | | cytochrome c oxidase accessory protein CcoG | cofit | 25 | 75 |
| | Pseudomonas sp. SVBP6 | COO64_RS18670 | ccoG | cytochrome c oxidase accessory protein CcoG | insig. | 25 | 75 |
| | Pseudomonas sp. BP01 | JOY50_RS00095 | ccoG | cytochrome c oxidase accessory protein CcoG | cofit | 25 | 75 |
| | Mucilaginibacter yixingensis YX-36 DSM 26809 | ABZR88_RS05590 | | cytochrome c oxidase accessory protein CcoG | insig. | 27 | 73 |
| | Pseudomonas simiae WCS417 | PS417_20750 | | (Fe-S)-binding protein | no data | 25 | 75 |
| | Pseudomonas fluorescens FW300-N1B4 | Pf1N1B4_3873 | | Type cbb3 cytochrome oxidase biogenesis protein CcoG, involved in Cu oxidation | cofit | 24 | 75 |
| | Pseudomonas fluorescens SBW25 | PFLU_RS22360 | | cytochrome c oxidase accessory protein CcoG | insig. | 24 | 75 |
| | Pseudomonas fluorescens SBW25-INTG | PFLU_RS22360 | | cytochrome c oxidase accessory protein CcoG | strong | 24 | 75 |
| | Pseudomonas sp. RS175 | PFR28_01085 | | hypothetical protein | sig. | 24 | 75 |
| | Magnetospirillum magneticum AMB-1 | AMB_RS13520 | | quinol dehydrogenase ferredoxin subunit NapH | cofit | 22 | 93 |
| | Pseudomonas aeruginosa MRSN321 | DY961_RS19380 | ccoG;go_function=molecular_function|0003674||IEA;go_process=respiratory | cytochrome c oxidase accessory protein CcoG | sig. | 26 | 75 |
| | Pseudomonas aeruginosa PA14 | IKLFDK_07410 | | cytochrome c oxidase accessory protein CcoG | strong | 26 | 75 |
| | Pseudomonas aeruginosa PUPa3 | DQ20_RS53510 | ccoG;go_function=molecular_function|0003674||IEA;go_process=respiratory | cytochrome c oxidase accessory protein CcoG | sig. | 26 | 75 |
| | Pseudomonas syringae pv. syringae B728a | Psyr_3419 | | 4Fe-4S ferredoxin, iron-sulfur binding protein | strong | 25 | 75 |
| | Pseudomonas syringae pv. syringae B728a ΔmexB | Psyr_3419 | | 4Fe-4S ferredoxin, iron-sulfur binding protein | strong | 25 | 75 |