| Orth | Species | Gene | Name | Description | Fitness | %Id | Cov |
| | Methanococcus maripaludis S2 | MMP_RS08720 | | 4Fe-4S binding protein | strong | 100 | 100 |
| o | Methanococcus maripaludis JJ | MMJJ_RS05645 | | 4Fe-4S binding protein | sig. | 99 | 100 |
| | Methanococcus maripaludis JJ | MMJJ_RS00860 | | 4Fe-4S binding protein | insig. | 57 | 99 |
| | Methanococcus maripaludis S2 | MMP_RS04290 | | 4Fe-4S binding protein | sig. | 57 | 99 |
| | Methanococcus maripaludis JJ | MMJJ_RS06025 | | 4Fe-4S binding protein | strong | 28 | 70 |
| | Methanococcus maripaludis JJ | MMJJ_RS06025 | | 4Fe-4S binding protein | strong | 29 | 90 |
| | Methanococcus maripaludis S2 | MMP_RS08345 | | 4Fe-4S binding protein | strong | 30 | 70 |
| | Methanococcus maripaludis S2 | MMP_RS06405 | | 4Fe-4S binding protein | no data | 29 | 73 |
| | Methanococcus maripaludis S2 | MMP_RS08345 | | 4Fe-4S binding protein | strong | 27 | 90 |
| | Methanococcus maripaludis JJ | MMJJ_RS06025 | | 4Fe-4S binding protein | strong | 25 | 92 |
| | Methanococcus maripaludis JJ | MMJJ_RS07945 | | 4Fe-4S binding protein | strong | 29 | 73 |
| | Methanococcus maripaludis S2 | MMP_RS08345 | | 4Fe-4S binding protein | strong | 24 | 92 |
| | Methanococcus maripaludis S2 | MMP_RS08345 | | 4Fe-4S binding protein | strong | 28 | 82 |
| | Methanococcus maripaludis JJ | MMJJ_RS06835 | | 4Fe-4S binding protein | strong | 30 | 60 |
| | Methanococcus maripaludis S2 | MMP_RS06405 | | 4Fe-4S binding protein | no data | 29 | 71 |
| | Methanococcus maripaludis S2 | MMP_RS07525 | | 4Fe-4S binding protein | strong | 30 | 60 |
| | Methanococcus maripaludis JJ | MMJJ_RS07945 | | 4Fe-4S binding protein | strong | 26 | 76 |
| | Methanococcus maripaludis S2 | MMP_RS07525 | | 4Fe-4S binding protein | strong | 28 | 80 |
| | Methanococcus maripaludis JJ | MMJJ_RS06835 | | 4Fe-4S binding protein | strong | 28 | 80 |
| | Methanococcus maripaludis S2 | MMP_RS07535 | | 4Fe-4S binding protein | strong | 30 | 53 |
| | Methanococcus maripaludis JJ | MMJJ_RS06825 | | 4Fe-4S binding protein | sig. | 29 | 52 |
| | Methanococcus maripaludis JJ | MMJJ_RS06825 | | 4Fe-4S binding protein | sig. | 29 | 50 |
| | Methanococcus maripaludis JJ | MMJJ_RS06825 | | 4Fe-4S binding protein | sig. | 29 | 53 |
| | Methanococcus maripaludis S2 | MMP_RS07535 | | 4Fe-4S binding protein | strong | 29 | 50 |
| | Methanococcus maripaludis S2 | MMP_RS07535 | | 4Fe-4S binding protein | strong | 28 | 52 |
| | Methanococcus maripaludis JJ | MMJJ_RS04865 | | 4Fe-4S binding protein | cofit | 34 | 46 |
| | Methanococcus maripaludis S2 | MMP_RS00620 | | 4Fe-4S binding protein | strong | 34 | 45 |
| | Methanococcus maripaludis S2 | MMP_RS07535 | | 4Fe-4S binding protein | strong | 28 | 45 |
| | Methanococcus maripaludis S2 | MMP_RS07525 | | 4Fe-4S binding protein | strong | 27 | 54 |
| | Methanococcus maripaludis JJ | MMJJ_RS06835 | | 4Fe-4S binding protein | strong | 29 | 54 |
| | Methanococcus maripaludis JJ | MMJJ_RS06825 | | 4Fe-4S binding protein | sig. | 28 | 45 |
| | Methanococcus maripaludis JJ | MMJJ_RS07945 | | 4Fe-4S binding protein | strong | 30 | 45 |
| | Methanococcus maripaludis S2 | MMP_RS07535 | | 4Fe-4S binding protein | strong | 27 | 53 |
| | Methanococcus maripaludis JJ | MMJJ_RS06825 | | 4Fe-4S binding protein | sig. | 26 | 55 |
| | Methanococcus maripaludis S2 | MMP_RS06405 | | 4Fe-4S binding protein | no data | 30 | 45 |
| | Methanococcus maripaludis JJ | MMJJ_RS06830 | | 4Fe-4S binding protein | sig. | 34 | 29 |
| | Methanococcus maripaludis S2 | MMP_RS07530 | | 4Fe-4S binding protein | strong | 34 | 29 |
| | Methanococcus maripaludis JJ | MMJJ_RS07945 | | 4Fe-4S binding protein | strong | 30 | 43 |
| | Methanococcus maripaludis S2 | MMP_RS06405 | | 4Fe-4S binding protein | no data | 30 | 43 |
| | Methanococcus maripaludis S2 | MMP_RS06405 | | 4Fe-4S binding protein | no data | 25 | 57 |
| | Methanococcus maripaludis JJ | MMJJ_RS04865 | | 4Fe-4S binding protein | cofit | 31 | 48 |
| | Methanococcus maripaludis JJ | MMJJ_RS06830 | | 4Fe-4S binding protein | sig. | 35 | 27 |
| | Methanococcus maripaludis JJ | MMJJ_RS04865 | | 4Fe-4S binding protein | cofit | 31 | 46 |
| | Phocaeicola vulgatus CL09T03C04 | HMPREF1058_RS08780 | | 4Fe-4S binding protein | strong | 31 | 37 |
| | Methanococcus maripaludis JJ | MMJJ_RS06830 | | 4Fe-4S binding protein | sig. | 28 | 37 |
| | Methanococcus maripaludis S2 | MMP_RS04290 | | 4Fe-4S binding protein | sig. | 32 | 29 |
| | Methanococcus maripaludis S2 | MMP_RS00620 | | 4Fe-4S binding protein | strong | 31 | 48 |
| | Bacteroides ovatus ATCC 8483 | BACOVA_00767 | | 4Fe-4S binding domain protein | insig. | 27 | 71 |
| | Methanococcus maripaludis S2 | MMP_RS07530 | | 4Fe-4S binding protein | strong | 34 | 27 |
| | Methanococcus maripaludis S2 | MMP_RS00620 | | 4Fe-4S binding protein | strong | 30 | 46 |
| | Methanococcus maripaludis JJ | MMJJ_RS06830 | | 4Fe-4S binding protein | sig. | 28 | 37 |
| | Methanococcus maripaludis JJ | MMJJ_RS00860 | | 4Fe-4S binding protein | insig. | 31 | 29 |
| | Phocaeicola vulgatus CL09T03C04 | HMPREF1058_RS06345 | | Fe-S cluster domain-containing protein | strong | 30 | 40 |
| | Phocaeicola dorei CL03T12C01 | ABI39_RS20105 | | Fe-S cluster domain-containing protein | strong | 30 | 40 |
| | Bacteroides thetaiotaomicron VPI-5482 | BT0617 | | Na+-transporting NADH:ubiquinone oxidoreductase, Electron transport complex protein rnfB (NCBI ptt file) | strong | 32 | 28 |
| | Parabacteroides merdae CL09T00C40 | HMPREF1078_RS15450 | | Fe-S cluster domain-containing protein | insig. | 32 | 31 |
| | Methanococcus maripaludis S2 | MMP_RS07530 | | 4Fe-4S binding protein | strong | 28 | 37 |
| | Dechlorosoma suillum PS | Dsui_1178 | | ferredoxin-type protein NapF | no data | 31 | 32 |
| | Methanococcus maripaludis S2 | MMP_RS07530 | | 4Fe-4S binding protein | strong | 28 | 35 |
| | Sinorhizobium meliloti 1021 | SMa1240 | | NapF ferredoxin component of periplasmic nitrate reductase | insig. | 28 | 37 |
| | Bacteroides ovatus ATCC 8483 | BACOVA_02236 | | electron transport complex, RnfABCDGE type, B subunit | strong | 33 | 26 |
| | Parabacteroides merdae CL09T00C40 | HMPREF1078_RS15450 | | Fe-S cluster domain-containing protein | insig. | 31 | 39 |
| | Methanococcus maripaludis S2 | MMP_RS08345 | | 4Fe-4S binding protein | strong | 33 | 33 |
| | Methanococcus maripaludis S2 | MMP_RS00620 | | 4Fe-4S binding protein | strong | 29 | 51 |
| | Bacteroides stercoris CC31F | HMPREF1181_RS15125 | | Fe-S cluster domain-containing protein | no data | 31 | 38 |
| | Shewanella amazonensis SB2B | Sama_1831 | | electron transport complex protein RnfB (RefSeq) | no data | 36 | 20 |
| | Vibrio cholerae E7946 ATCC 55056 | CSW01_17570 | | ferredoxin-type protein NapF | insig. | 29 | 31 |
| | Methanococcus maripaludis JJ | MMJJ_RS06025 | | 4Fe-4S binding protein | strong | 32 | 33 |
| | Dinoroseobacter shibae DFL-12 | Dshi_1237 | | 4Fe-4S ferredoxin iron-sulfur binding domain protein (RefSeq) | insig. | 33 | 37 |
| | Bacteroides ovatus ATCC 8483 | BACOVA_02236 | | electron transport complex, RnfABCDGE type, B subunit | strong | 31 | 31 |
| | Phocaeicola vulgatus CL09T03C04 | HMPREF1058_RS08780 | | 4Fe-4S binding protein | strong | 28 | 32 |
| | Parabacteroides merdae CL09T00C40 | HMPREF1078_RS01085 | | 4Fe-4S dicluster domain-containing protein | sig. | 24 | 58 |
| | Bacteroides thetaiotaomicron VPI-5482 | BT2414 | | ferredoxin (NCBI ptt file) | no data | 49 | 13 |
| | Bacteroides thetaiotaomicron VPI-5482 | BT0963 | | putative ferredoxin-type protein (NCBI ptt file) | sig. | 31 | 31 |
| | Dinoroseobacter shibae DFL-12 | Dshi_3167 | | ferredoxin-type protein NapF (RefSeq) | insig. | 29 | 35 |
| | Agrobacterium fabrum C58 | Atu4406 | | periplasmic nitrate reductase, ferredoxin-like protein | insig. | 28 | 34 |
| | Azospirillum brasilense Sp245 | AZOBR_RS23115 | | ferredoxin | insig. | 28 | 30 |
| | Shewanella loihica PV-4 | Shew_2067 | | electron transport complex, RnfABCDGE type, B subunit (RefSeq) | no data | 43 | 13 |
| | Methanococcus maripaludis JJ | MMJJ_RS04865 | | 4Fe-4S binding protein | cofit | 28 | 51 |
| | Bacteroides stercoris CC31F | HMPREF1181_RS15605 | | 4Fe-4S binding protein | insig. | 31 | 31 |
| | Bacteroides stercoris CC31F | HMPREF1181_RS03775 | | 4Fe-4S binding protein | no data | 49 | 12 |
| | Desulfovibrio vulgaris Hildenborough JW710 | DVU2797 | | NADH:quinone oxidoreductase subunit RnfB (Shelley Haveman) | strong | 32 | 29 |
| | Phocaeicola dorei CL03T12C01 | ABI39_RS20105 | | Fe-S cluster domain-containing protein | strong | 31 | 28 |
| | Phocaeicola vulgatus CL09T03C04 | HMPREF1058_RS06345 | | Fe-S cluster domain-containing protein | strong | 31 | 28 |
| | Dinoroseobacter shibae DFL-12 | Dshi_3167 | | ferredoxin-type protein NapF (RefSeq) | insig. | 29 | 29 |
| | Vibrio cholerae E7946 ATCC 55056 | CSW01_07610 | | (Fe-S)-binding protein | insig. | 23 | 85 |
| | Bacteroides ovatus ATCC 8483 | BACOVA_03006 | | 4Fe-4S binding domain protein | no data | 49 | 13 |
| | Shewanella sp. ANA-3 | Shewana3_2169 | | electron transport complex protein RnfB (RefSeq) | no data | 39 | 16 |
| | Shewanella oneidensis MR-1 | SO2509 | | iron-sulfur cluster-binding protein (NCBI ptt file) | no data | 35 | 21 |
| | Bacteroides stercoris CC31F | HMPREF1181_RS15125 | | Fe-S cluster domain-containing protein | no data | 29 | 39 |
| | Acinetobacter baumannii LAC-4 | RR41_RS09050 | | RnfABCDGE type electron transport complex subunit B | insig. | 41 | 18 |
| | Variovorax sp. SCN45 | GFF942 | | Iron-sulfur cluster-binding protein | insig. | 37 | 19 |
| | Escherichia coli Nissle 1917 | ECOLIN_RS15200 | | formate hydrogenlyase subunit HycF | insig. | 28 | 36 |
| | Phocaeicola dorei CL03T12C01 | ABI39_RS00775 | | 4Fe-4S binding protein | no data | 45 | 13 |
| | Phocaeicola vulgatus CL09T03C04 | HMPREF1058_RS00790 | | 4Fe-4S binding protein | no data | 45 | 13 |
| | Phocaeicola vulgatus CL09T03C04 | HMPREF1058_RS01010 | | 4Fe-4S binding protein | no data | 45 | 13 |
| | Acinetobacter radioresistens SK82 | MPMX26_02305 | | Ion-translocating oxidoreductase complex subunit B | insig. | 36 | 19 |
| | Desulfovibrio vulgaris Hildenborough JW710 | DVU0686 | | iron-sulfur cluster-binding protein (TIGR) | insig. | 36 | 24 |
| | Bacteroides ovatus ATCC 8483 | BACOVA_02507 | | putative ferredoxin-type protein NapF | insig. | 24 | 68 |
| | Bacteroides thetaiotaomicron VPI-5482 | BT0963 | | putative ferredoxin-type protein (NCBI ptt file) | sig. | 33 | 25 |
| | Parabacteroides merdae CL09T00C40 | HMPREF1078_RS15450 | | Fe-S cluster domain-containing protein | insig. | 31 | 37 |
| | Methanococcus maripaludis JJ | MMJJ_RS06635 | | 4Fe-4S binding protein | strong | 34 | 23 |
| | Methanococcus maripaludis S2 | MMP_RS07720 | | 4Fe-4S binding protein | strong | 34 | 23 |
| | Klebsiella pneumoniae MKP103 | KDGMDA_02985 | | formate hydrogenlyase complex iron-sulfur subunit | no data | 28 | 35 |
| | Klebsiella pneumoniae MRSN742743 | KFA93_RS18825 | | formate hydrogenlyase complex iron-sulfur subunit | insig. | 28 | 35 |
| | Escherichia fergusonii Becca | EFB2_01203 | | NAD(P)H-quinone oxidoreductase subunit I, chloroplastic | insig. | 28 | 36 |
| | Methanococcus maripaludis S2 | MMP_RS07530 | | 4Fe-4S binding protein | strong | 26 | 36 |
| | Hydrogenophaga sp. GW460-11-11-14-LB1 | GFF1198 | | Iron-sulfur cluster-binding protein | insig. | 21 | 62 |
| | Alteromonas macleodii MIT1002 | MIT1002_01256 | | Nitrogen fixation protein rnfB | no data | 40 | 13 |
| | Escherichia coli BL21 | ECD_02570 | | formate hydrogenlyase complex iron-sulfur protein | insig. | 28 | 36 |
| | Escherichia coli ECRC100 | OKFHMN_20595 | hycF | formate hydrogenlyase subunit HycF | insig. | 28 | 36 |
| | Escherichia coli ECRC101 | MCAODC_11120 | hycF | formate hydrogenlyase subunit HycF | sig. | 28 | 36 |
| | Escherichia coli ECRC102 | NIAGMN_18365 | hycF | formate hydrogenlyase subunit HycF | cofit | 28 | 36 |
| | Escherichia coli ECRC98 | JDDGAC_24260 | hycF | formate hydrogenlyase subunit HycF | insig. | 28 | 36 |
| | Escherichia coli ECRC99 | KEDOAH_07540 | hycF | formate hydrogenlyase subunit HycF | no data | 28 | 36 |
| | Escherichia coli HS(pFamp)R (ATCC 700891) | OHPLBJKB_01014 | | NAD(P)H-quinone oxidoreductase subunit I, chloroplastic | insig. | 28 | 36 |
| | Klebsiella michiganensis M5al | BWI76_RS22315 | | formate hydrogenlyase complex iron-sulfur subunit | sig. | 27 | 35 |
| | Desulfovibrio vulgaris Hildenborough JW710 | DVU0686 | | iron-sulfur cluster-binding protein (TIGR) | insig. | 26 | 30 |
| | Shewanella sp. ANA-3 | Shewana3_2784 | | ferredoxin-type protein NapF (RefSeq) | insig. | 26 | 32 |
| | Pseudomonas sp. RS175 | PFR28_03345 | | Ion-translocating oxidoreductase complex subunit B | insig. | 38 | 19 |
| | Agrobacterium fabrum C58 | Atu4406 | | periplasmic nitrate reductase, ferredoxin-like protein | insig. | 31 | 35 |
| | Salmonella enterica subsp. enterica serovar Typhimurium str. MS1868 | GFF4713 | | Formate hydrogenlyase complex 3 iron-sulfur protein; Formate hydrogenlyase subunit 6; Ni,Fe-hydrogenase III medium subunit | insig. | 31 | 21 |
| | Parabacteroides merdae CL09T00C40 | HMPREF1078_RS18970 | | 4Fe-4S binding protein | no data | 47 | 13 |
| | Methylophilus sp. DMC18 | GFF1729 | | Ion-translocating oxidoreductase complex subunit B | insig. | 44 | 15 |
| | Marinobacter adhaerens HP15 | HP15_1290 | | electron transport complex, RnfABCDGE type, B subunit | strong | 43 | 16 |
| | Desulfovibrio vulgaris Miyazaki F | DvMF_0197 | | 4Fe-4S ferredoxin iron-sulfur binding domain protein (RefSeq) | insig. | 38 | 18 |
| | Desulfovibrio vulgaris Miyazaki F | DvMF_0197 | | 4Fe-4S ferredoxin iron-sulfur binding domain protein (RefSeq) | insig. | 37 | 21 |
| | Shewanella amazonensis SB2B | Sama_1831 | | electron transport complex protein RnfB (RefSeq) | no data | 43 | 16 |
| | Castellaniella sp019104865 MT123 | ABCV34_RS08460 | | RnfABCDGE type electron transport complex subunit B | cofit | 41 | 15 |
| | Marinobacter adhaerens HP15 | HP15_1290 | | electron transport complex, RnfABCDGE type, B subunit | strong | 34 | 15 |
| | Pseudomonas segetis P6 | ACVTMO_RS07220 | rsxB | electron transport complex subunit RsxB | no data | 33 | 21 |
| | Desulfovibrio vulgaris Hildenborough JW710 | DVU0686 | | iron-sulfur cluster-binding protein (TIGR) | insig. | 33 | 25 |
| | Methanococcus maripaludis S2 | MMP_RS06405 | | 4Fe-4S binding protein | no data | 29 | 34 |
| | Agrobacterium fabrum C58 | Atu4406 | | periplasmic nitrate reductase, ferredoxin-like protein | insig. | 28 | 34 |
| | Escherichia coli BW25113 | b2720 | hycF | formate hydrogenlyase complex iron-sulfur protein (NCBI) | insig. | 28 | 36 |
| | Ralstonia solanacearum PSI07 | RPSI07_RS19260 | | 4Fe-4S dicluster domain-containing protein | insig. | 39 | 18 |
| | Escherichia coli BL21 | ECD_01598 | | SoxR iron-sulfur cluster reduction factor component; putative iron-sulfur protein | no data | 38 | 14 |
| | Escherichia fergusonii Becca | EFB2_02364 | | Ion-translocating oxidoreductase complex subunit B | strong | 38 | 14 |
| | Escherichia coli ECOR27 | NOLOHH_18070 | rsxB | electron transport complex subunit RsxB | insig. | 38 | 14 |
| | Escherichia coli ECOR38 | HEPCGN_05935 | rsxB | electron transport complex subunit RsxB | cofit | 38 | 14 |
| | Escherichia coli ECRC100 | OKFHMN_27550 | rsxB | electron transport complex subunit RsxB | cofit | 38 | 14 |
| | Escherichia coli ECRC101 | MCAODC_17860 | rsxB | electron transport complex subunit RsxB | cofit | 38 | 14 |
| | Escherichia coli ECRC102 | NIAGMN_00515 | rsxB | electron transport complex subunit RsxB | no data | 38 | 14 |
| | Escherichia coli ECRC62 | BNILDI_16860 | rsxB | electron transport complex subunit RsxB | insig. | 38 | 14 |
| | Escherichia coli ECRC98 | JDDGAC_02140 | rsxB | electron transport complex subunit RsxB | insig. | 38 | 14 |
| | Escherichia coli ECRC99 | KEDOAH_00555 | rsxB | electron transport complex subunit RsxB | no data | 38 | 14 |
| | Escherichia coli HS(pFamp)R (ATCC 700891) | OHPLBJKB_02098 | | Electron transport complex subunit RsxB | insig. | 38 | 14 |
| | Escherichia coli Nissle 1917 | ECOLIN_RS09085 | | electron transport complex subunit RsxB | no data | 38 | 14 |
| | Escherichia coli BW25113 | b1628 | rsxB | electron transport complex protein RnfB (NCBI) | strong | 38 | 14 |
| | Methanococcus maripaludis S2 | MMP_RS07005 | | 4Fe-4S binding protein | sig. | 37 | 18 |
| | Serratia liquefaciens MT49 | IAI46_19525 | | YfhL family 4Fe-4S dicluster ferredoxin | insig. | 36 | 17 |
| | Bacteroides ovatus ATCC 8483 | BACOVA_02236 | | electron transport complex, RnfABCDGE type, B subunit | strong | 30 | 34 |
| | Bacteroides thetaiotaomicron VPI-5482 | BT0617 | | Na+-transporting NADH:ubiquinone oxidoreductase, Electron transport complex protein rnfB (NCBI ptt file) | strong | 30 | 36 |
| | Marinobacter adhaerens HP15 | HP15_3392 | | pyruvate flavodoxin/ferredoxin oxidoreductase domain protein | insig. | 30 | 23 |
| | Shewanella sp. ANA-3 | Shewana3_2169 | | electron transport complex protein RnfB (RefSeq) | no data | 43 | 16 |
| | Shewanella oneidensis MR-1 | SO2509 | | iron-sulfur cluster-binding protein (NCBI ptt file) | no data | 43 | 16 |
| | Hydrogenophaga sp. GW460-11-11-14-LB1 | GFF4780 | | Electron transport complex protein RnfB | insig. | 39 | 18 |
| | Pseudomonas sp. S08-1 | OH686_03890 | | Electron transport complex protein RnfB | insig. | 40 | 21 |
| | Bacteroides ovatus ATCC 8483 | BACOVA_04579 | | 4Fe-4S binding domain protein | strong | 35 | 22 |
| | Agrobacterium fabrum C58 | Atu4406 | | periplasmic nitrate reductase, ferredoxin-like protein | insig. | 26 | 35 |
| | Pseudomonas sp. DMC3 | GFF5084 | | Ion-translocating oxidoreductase complex subunit B | cofit | 38 | 19 |
| | Methanococcus maripaludis S2 | MMP_RS05070 | | 4Fe-4S dicluster domain-containing protein | strong | 30 | 31 |
| | Rhodospirillum rubrum S1H | Rru_A1423 | | 4Fe-4S ferredoxin, iron-sulfur binding (NCBI) | insig. | 30 | 26 |
| | Escherichia coli ECOR38 | HEPCGN_19785 | hycF | formate hydrogenlyase subunit HycF | insig. | 27 | 36 |
| | Dinoroseobacter shibae DFL-12 | Dshi_3167 | | ferredoxin-type protein NapF (RefSeq) | insig. | 26 | 34 |
| | Shewanella oneidensis MR-1 | SO1663 | napF | ferredoxin-type protein NapF (NCBI ptt file) | insig. | 25 | 34 |
| | Paraburkholderia graminis OAS925 | ABIE53_001424 | | electron transport complex protein RnfB | sig. | 37 | 18 |
| | Erwinia amylovora T8 | OLJFJH_14365 | | electron transport complex subunit RsxB | no data | 35 | 16 |
| | Escherichia coli ECOR27 | NOLOHH_12440 | hycF | formate hydrogenlyase subunit HycF | insig. | 29 | 21 |
| | Escherichia coli ECRC62 | BNILDI_10990 | hycF | formate hydrogenlyase subunit HycF | insig. | 29 | 21 |
| | Variovorax sp. OAS795 | ABID97_RS13980 | | RnfABCDGE type electron transport complex subunit B | insig. | 35 | 19 |
| | Azospirillum sp. SherDot2 | MPMX19_03509 | | NAD(P)H-quinone oxidoreductase subunit I, chloroplastic | insig. | 28 | 32 |
| | Pseudomonas stutzeri RCH2 | Psest_3113 | | electron transport complex, RnfABCDGE type, B subunit | strong | 42 | 13 |
| | Desulfovibrio vulgaris Miyazaki F | DvMF_2672 | | 4Fe-4S ferredoxin iron-sulfur binding domain protein (RefSeq) | insig. | 27 | 30 |
| | Methanococcus maripaludis JJ | MMJJ_RS06830 | | 4Fe-4S binding protein | sig. | 25 | 36 |
| | Ralstonia sp. UNC404CL21Col | ABZR87_RS09920 | | electron transport complex subunit RsxB | insig. | 41 | 18 |
| | Pseudomonas fluorescens FW300-N2E2 | Pf6N2E2_5598 | | Electron transport complex protein RnfB | no data | 37 | 19 |
| | Bacteroides thetaiotaomicron VPI-5482 | BT1834 | | putative hydrogenase (NCBI ptt file) | strong | 34 | 22 |
| | Parabacteroides merdae CL09T00C40 | HMPREF1078_RS09465 | | 4Fe-4S binding protein | insig. | 32 | 32 |
| | Bacteroides thetaiotaomicron VPI-5482 | BT0775 | | ferredoxin-type protein (NCBI ptt file) | insig. | 25 | 66 |
| | Rhodanobacter denitrificans MT42 | LRK55_RS01635 | | RnfABCDGE type electron transport complex subunit B | insig. | 43 | 14 |
| | Rhodanobacter denitrificans FW104-10B01 | LRK54_RS01845 | | RnfABCDGE type electron transport complex subunit B | sig. | 43 | 14 |
| | Xanthomonas campestris pv. campestris strain 8004 | Xcc-8004.3598.1 | | Ferredoxin II | strong | 40 | 14 |
| | Pseudomonas fluorescens FW300-N2C3 | AO356_18365 | | (4Fe-4S)-binding protein | no data | 39 | 18 |
| | Xanthomonas campestris pv. campestris strain 8004 | Xcc-8004.3083.1 | | 4Fe-4S ferredoxin, iron-sulfur binding | no data | 38 | 16 |
| | Kangiella aquimarina DSM 16071 | B158DRAFT_2370 | | electron transport complex, RnfABCDGE type, B subunit | insig. | 36 | 16 |
| | Desulfovibrio vulgaris Miyazaki F | DvMF_2672 | | 4Fe-4S ferredoxin iron-sulfur binding domain protein (RefSeq) | insig. | 29 | 35 |
| | Magnetospirillum magneticum AMB-1 | AMB_RS14705 | | 4Fe-4S dicluster domain-containing protein | cofit | 28 | 37 |
| | Pseudomonas fluorescens FW300-N1B4 | Pf1N1B4_4033 | | NADH-ubiquinone oxidoreductase chain I (EC 1.6.5.3) | no data | 25 | 40 |
| | Klebsiella michiganensis M5al | BWI76_RS16360 | | electron transport complex subunit RsxB | insig. | 38 | 14 |
| | Parabacteroides merdae CL09T00C40 | HMPREF1078_RS10710 | | monomeric [FeFe] hydrogenase | insig. | 38 | 22 |
| | Bacteroides thetaiotaomicron VPI-5482 | BT0617 | | Na+-transporting NADH:ubiquinone oxidoreductase, Electron transport complex protein rnfB (NCBI ptt file) | strong | 27 | 44 |
| | Pseudomonas aeruginosa MRSN321 | DY961_RS15475 | rsxB;go_function=electron | electron transport complex subunit RsxB | insig. | 39 | 14 |
| | Pseudomonas aeruginosa PA14 | IKLFDK_17910 | | electron transport complex subunit RsxB | sig. | 39 | 14 |
| | Pseudomonas aeruginosa PUPa3 | DQ20_RS41585 | rsxB;go_function=electron | electron transport complex subunit RsxB | insig. | 39 | 14 |
| | Lysobacter sp. OAE881 | ABIE51_RS08005 | | ferredoxin FdxA | no data | 38 | 16 |
| | Burkholderia phytofirmans PsJN | BPHYT_RS06085 | | ferredoxin | sig. | 37 | 18 |
| | Pseudomonas sp. BP01 | JOY50_RS20765 | | YfhL family 4Fe-4S dicluster ferredoxin | no data | 35 | 17 |
| | Variovorax sp. OAS795 | ABID97_RS28065 | | FAD-dependent oxidoreductase | insig. | 34 | 23 |
| | Methanococcus maripaludis JJ | MMJJ_RS00065 | | 4Fe-4S dicluster domain-containing protein | strong | 30 | 31 |
| | Sinorhizobium meliloti 1021 | SMa1240 | | NapF ferredoxin component of periplasmic nitrate reductase | insig. | 28 | 33 |
| | Lysobacter sp. OAE881 | ABIE51_RS17025 | | ferredoxin-type protein NapF | no data | 28 | 30 |
| | Azospirillum brasilense Sp245 | AZOBR_RS23115 | | ferredoxin | insig. | 25 | 30 |
| | Serratia liquefaciens MT49 | IAI46_17675 | | NADH-quinone oxidoreductase subunit NuoI | cofit | 25 | 34 |
| | Methanococcus maripaludis S2 | MMP_RS06755 | | 4Fe-4S binding protein | no data | 50 | 12 |
| | Methanococcus maripaludis JJ | MMJJ_RS07600 | | 4Fe-4S binding protein | no data | 48 | 12 |
| | Klebsiella pneumoniae MKP103 | KDGMDA_23300 | | electron transport complex subunit RsxB | sig. | 39 | 14 |
| | Klebsiella pneumoniae MRSN742743 | KFA93_RS14025 | rsxB;go_function=electron | electron transport complex subunit RsxB | insig. | 39 | 14 |
| | Ralstonia solanacearum GMI1000 | RS_RS04980 | | 4Fe-4S dicluster domain-containing protein | insig. | 38 | 18 |
| | Pseudomonas lactucae CFBP13502 | GEMAOFIL_05510 | | Ferredoxin | no data | 35 | 17 |
| | Pseudomonas sp. RS175 | PFR28_04270 | | Ferredoxin | no data | 35 | 17 |
| | Pseudomonas putida KT2440 | PP_5124 | | putative 4Fe-4S cluster-containing protein | no data | 35 | 17 |
| | Pseudomonas fluorescens FW300-N2E3 | AO353_08310 | | ferredoxin | no data | 35 | 17 |
| | Pseudomonas fluorescens FW300-N2C3 | AO356_13280 | | ferredoxin | no data | 35 | 17 |
| | Pseudomonas fluorescens FW300-N2E2 | Pf6N2E2_4571 | | 4Fe-4S ferredoxin, iron-sulfur binding | no data | 35 | 17 |
| | Erwinia tracheiphila HP pepo 2.2 | IJEDHG_25045 | rsxB | electron transport complex subunit RsxB | no data | 33 | 16 |
| | Erwinia tracheiphila SCR3 | LU632_RS11330 | rsxB | electron transport complex subunit RsxB | no data | 33 | 16 |
| | Agrobacterium fabrum C58 | Atu4406 | | periplasmic nitrate reductase, ferredoxin-like protein | insig. | 29 | 36 |
| | Enterobacter sp. TBS_079 | MPMX20_03605 | | NAD(P)H-quinone oxidoreductase subunit I, chloroplastic | insig. | 28 | 21 |
| | Pseudomonas segetis P6 | ACVTMO_RS12740 | nuoI | NADH-quinone oxidoreductase subunit NuoI | strong | 26 | 34 |
| | Pectobacterium carotovorum WPP14 | HER17_RS09105 | | ferredoxin-type protein NapF | no data | 26 | 30 |
| | Pseudomonas fluorescens SBW25 | PFLU_RS18650 | | NADH-quinone oxidoreductase subunit NuoI | cofit | 25 | 40 |
| | Pseudomonas fluorescens SBW25-INTG | PFLU_RS18650 | | NADH-quinone oxidoreductase subunit NuoI | no data | 25 | 40 |
| | Pseudomonas lactucae CFBP13502 | GEMAOFIL_03649 | | NADH-quinone oxidoreductase subunit I | cofit | 25 | 40 |
| | Pseudomonas orientalis W4I3 | QF045_RS18375 | | NADH-quinone oxidoreductase subunit NuoI | sig. | 25 | 40 |
| | Pseudomonas simiae WCS417 | PS417_16610 | | NADH dehydrogenase | no data | 25 | 40 |
| | Pseudomonas fluorescens GW456-L13 | PfGW456L13_2626 | | NADH-ubiquinone oxidoreductase chain I (EC 1.6.5.3) | no data | 25 | 36 |
| | Parabacteroides merdae CL09T00C40 | HMPREF1078_RS01085 | | 4Fe-4S dicluster domain-containing protein | sig. | 23 | 55 |
| | Dickeya dadantii 3937 | DDA3937_RS10570 | | electron transport complex subunit RsxB | sig. | 36 | 17 |
| | Desulfovibrio vulgaris Hildenborough JW710 | DVU0686 | | iron-sulfur cluster-binding protein (TIGR) | insig. | 34 | 25 |
| | Rhodanobacter sp000427505 FW510-R12 | LRK53_RS08205 | | RnfABCDGE type electron transport complex subunit B | insig. | 43 | 14 |
| | Rhodanobacter sp. FW510-T8 | OKGIIK_04680 | | Electron transporter RnfB | insig. | 43 | 14 |
| | Paraburkholderia graminis OAS925 | ABIE53_001424 | | electron transport complex protein RnfB | sig. | 42 | 18 |
| | Acinetobacter baumannii LAC-4 | RR41_RS10450 | | ferredoxin family protein | no data | 38 | 16 |
| | Salmonella enterica subsp. enterica serovar Typhimurium str. MS1868 | GFF1816 | | Electron transport complex protein RnfB | strong | 36 | 14 |
| | Pseudomonas fluorescens FW300-N1B4 | Pf1N1B4_735 | | Electron transport complex protein RnfB | no data | 36 | 19 |
| | Enterobacter sp. TBS_079 | MPMX20_02010 | | Ion-translocating oxidoreductase complex subunit B | sig. | 35 | 16 |
| | Bacteroides stercoris CC31F | HMPREF1181_RS15125 | | Fe-S cluster domain-containing protein | no data | 33 | 29 |
| | Castellaniella sp019104865 MT123 | ABCV34_RS00245 | | formate dehydrogenase subunit alpha | insig. | 29 | 30 |
| | Shewanella amazonensis SB2B | Sama_2225 | | ferredoxin-type protein NapF (RefSeq) | insig. | 27 | 29 |
| | Pseudomonas sp. DMC3 | GFF1505 | | NADH-quinone oxidoreductase subunit I | no data | 25 | 40 |
| | Enterobacter asburiae PDN3 | EX28DRAFT_0329 | | NADH-quinone oxidoreductase, chain I | strong | 25 | 34 |
| | Enterobacter sp. TBS_079 | MPMX20_03211 | | NADH-quinone oxidoreductase subunit I | strong | 25 | 34 |
| | Klebsiella pneumoniae MKP103 | KDGMDA_27035 | | NADH-quinone oxidoreductase subunit NuoI | sig. | 25 | 34 |
| | Klebsiella pneumoniae MRSN742743 | KFA93_RS06120 | nuoI;go_component=membrane|0016020||IEA;go_function=oxidoreductase | NADH-quinone oxidoreductase subunit NuoI | sig. | 25 | 34 |
| | Methanococcus maripaludis JJ | MMJJ_RS07350 | | 4Fe-4S binding protein | strong | 43 | 13 |
| | Alteromonas macleodii MIT1002 | MIT1002_01256 | | Nitrogen fixation protein rnfB | no data | 40 | 17 |
| | Acinetobacter radioresistens SK82 | MPMX26_01955 | | Ferredoxin 1 | no data | 38 | 16 |
| | Pseudomonas fluorescens SBW25 | PFLU_RS28510 | | YfhL family 4Fe-4S dicluster ferredoxin | insig. | 35 | 17 |
| | Pseudomonas fluorescens SBW25-INTG | PFLU_RS28510 | | YfhL family 4Fe-4S dicluster ferredoxin | no data | 35 | 17 |