| Orth | Species | Gene | Name | Description | Fitness | %Id | Cov |
| | Desulfovibrio vulgaris Hildenborough JW710 | DVU1931 | | iron-sulfur cluster-binding protein (TIGR) | cofit | 100 | 100 |
| o | Desulfovibrio vulgaris Miyazaki F | DvMF_0262 | | Homocysteine formation from aspartate semialdehyde (NIL/ferredoxin component) (from data) | strong | 74 | 99 |
| o | Synechococcus elongatus PCC 7942 | Synpcc7942_2129 | | iron-sulfur cluster binding protein | strong | 37 | 90 |
| o | Synechocystis sp000284455 PCC 6803 | SGL_RS08535 | | NIL domain-containing protein | strong | 34 | 88 |
| o | Methanococcus maripaludis JJ | MMJJ_RS07350 | | 4Fe-4S binding protein | strong | 37 | 82 |
| o | Methanococcus maripaludis S2 | MMP_RS07005 | | 4Fe-4S binding protein | sig. | 36 | 82 |
| | Methanococcus maripaludis JJ | MMJJ_RS06825 | | 4Fe-4S binding protein | sig. | 44 | 40 |
| | Methanococcus maripaludis S2 | MMP_RS07535 | | 4Fe-4S binding protein | strong | 42 | 40 |
| | Azospirillum sp. SherDot2 | MPMX19_00539 | | Ion-translocating oxidoreductase complex subunit B | insig. | 45 | 35 |
| | Rhodospirillum rubrum S1H | Rru_A1563 | | NADH-quinone oxidoreductase, chain I (NCBI) | no data | 30 | 70 |
| | Brevundimonas sp. GW460-12-10-14-LB2 | A4249_RS06365 | | NADH-quinone oxidoreductase subunit NuoI | no data | 37 | 44 |
| | Caulobacter crescentus NA1000 | CCNA_02020 | | NADH-quinone oxidoreductase chain I | no data | 38 | 38 |
| | Caulobacter crescentus NA1000 Δfur | CCNA_02020 | | NADH-quinone oxidoreductase chain I | no data | 38 | 38 |
| | Dinoroseobacter shibae DFL-12 | Dshi_1322 | | NADH-quinone oxidoreductase, chain I (RefSeq) | no data | 36 | 38 |
| | Azospirillum sp. SherDot2 | MPMX19_01738 | | NADH-quinone oxidoreductase subunit I | no data | 36 | 39 |
| | Phaeobacter inhibens DSM 17395 | PGA1_c10490 | | NADH-quinone oxidoreductase subunit I | no data | 34 | 38 |
| | Bosea sp. OAE506 | ABIE41_RS23405 | | 4Fe-4S binding protein | insig. | 30 | 79 |
| | Dinoroseobacter shibae DFL-12 | Dshi_0496 | | 4Fe-4S ferredoxin iron-sulfur binding domain protein (RefSeq) | insig. | 41 | 37 |
| | Sphingomonas koreensis DSMZ 15582 | Ga0059261_0701 | | NADH-quinone oxidoreductase, chain I | no data | 38 | 38 |
| | Agrobacterium fabrum C58 | Atu1278 | | NADH ubiquinone oxidoreductase chain I | no data | 37 | 38 |
| | Rhizobium sp. OAE497 | ABIE40_RS07225 | | NADH-quinone oxidoreductase subunit NuoI | no data | 37 | 38 |
| | Sinorhizobium meliloti 1021 | SMc01922 | | NADH dehydrogenase subunit I | no data | 37 | 38 |
| | Sphingobium sp. HT1-2 | GFF2111 | | NADH-ubiquinone oxidoreductase chain I (EC 1.6.5.3) | no data | 36 | 38 |
| | Phaeobacter inhibens DSM 17395 | PGA1_c12820 | | Dihydropyrimidine dehydrogenase (NADP(+)) (EC 1.3.1.2) (from data) | strong | 31 | 78 |
| | Magnetospirillum magneticum AMB-1 | AMB_RS13970 | | NADH-quinone oxidoreductase subunit I | no data | 38 | 44 |
| | Rhodopseudomonas palustris CGA009 | TX73_015245 | | NADH-quinone oxidoreductase subunit NuoI | insig. | 35 | 38 |
| | Bacteroides stercoris CC31F | HMPREF1181_RS15125 | | Fe-S cluster domain-containing protein | no data | 43 | 30 |
| | Pontibacter actiniarum KMM 6156, DSM 19842 | CA264_14240 | | NADH-quinone oxidoreductase subunit I | no data | 35 | 39 |
| | Methanococcus maripaludis JJ | MMJJ_RS06830 | | 4Fe-4S binding protein | sig. | 30 | 41 |
| | Xanthobacter sp. DMC5 | GFF1242 | | NADH-quinone oxidoreductase subunit I | no data | 35 | 38 |
| | Methanococcus maripaludis S2 | MMP_RS07530 | | 4Fe-4S binding protein | strong | 30 | 41 |
| | Bacteroides ovatus ATCC 8483 | BACOVA_02236 | | electron transport complex, RnfABCDGE type, B subunit | strong | 40 | 34 |
| | Bacteroides thetaiotaomicron VPI-5482 | BT0617 | | Na+-transporting NADH:ubiquinone oxidoreductase, Electron transport complex protein rnfB (NCBI ptt file) | strong | 40 | 34 |
| | Bosea sp. OAE506 | ABIE41_RS17900 | | NADH-quinone oxidoreductase subunit NuoI | no data | 35 | 38 |
| | Dinoroseobacter shibae DFL-12 | Dshi_1237 | | 4Fe-4S ferredoxin iron-sulfur binding domain protein (RefSeq) | insig. | 32 | 50 |
| | Dickeya dadantii 3937 | DDA3937_RS07440 | | hydrogenase 4 subunit H | insig. | 42 | 38 |
| | Dickeya dianthicola 67-19 | HGI48_RS07315 | | hydrogenase 4 subunit H | insig. | 42 | 38 |
| | Dickeya dianthicola ME23 | DZA65_RS07825 | | hydrogenase 4 subunit H | insig. | 42 | 38 |
| | Phocaeicola dorei CL03T12C01 | ABI39_RS20105 | | Fe-S cluster domain-containing protein | strong | 41 | 30 |
| | Ralstonia solanacearum PSI07 | RPSI07_RS14375 | | NADH-quinone oxidoreductase subunit NuoI | no data | 36 | 38 |
| | Azospirillum brasilense Sp245 | AZOBR_RS07205 | | NADH dehydrogenase subunit I | no data | 35 | 39 |
| | Phaeobacter inhibens DSM 17395 | PGA1_c27700 | | hypothetical protein | insig. | 37 | 35 |
| | Cupriavidus basilensis FW507-4G11 | RR42_RS05550 | | NADH dehydrogenase subunit I | no data | 34 | 38 |
| | Rhodanobacter sp. FW510-T8 | OKGIIK_05805 | nuoI | NADH-quinone oxidoreductase subunit NuoI | no data | 32 | 38 |
| | Shewanella amazonensis SB2B | Sama_2440 | | iron-sulfur cluster-binding protein (RefSeq) | strong | 32 | 30 |
| | Hydrogenophaga sp. GW460-11-11-14-LB1 | GFF4780 | | Electron transport complex protein RnfB | insig. | 38 | 39 |
| | Dechlorosoma suillum PS | Dsui_3042 | | NADH-quinone oxidoreductase, chain I | no data | 34 | 38 |
| | Vibrio cholerae E7946 ATCC 55056 | CSW01_16885 | | pyruvate:ferredoxin (flavodoxin) oxidoreductase | insig. | 33 | 29 |
| | Rhodanobacter denitrificans MT42 | LRK55_RS00865 | | NADH-quinone oxidoreductase subunit NuoI | no data | 32 | 38 |
| | Rhodanobacter denitrificans FW104-10B01 | LRK54_RS01090 | | NADH-quinone oxidoreductase subunit NuoI | no data | 32 | 38 |
| | Rhodanobacter sp000427505 FW510-R12 | LRK53_RS08975 | | NADH-quinone oxidoreductase subunit NuoI | no data | 32 | 38 |
| | Shewanella sp. ANA-3 | Shewana3_2905 | | FAD linked oxidase domain-containing protein (RefSeq) | strong | 32 | 30 |
| | Phocaeicola vulgatus CL09T03C04 | HMPREF1058_RS06345 | | Fe-S cluster domain-containing protein | strong | 41 | 30 |
| | Rhodospirillum rubrum S1H | Rru_A0318 | | 4Fe-4S ferredoxin, iron-sulfur binding (NCBI) | insig. | 37 | 37 |
| | Phaeobacter inhibens DSM 17395 | PGA1_c28890 | | polysulfide reductase chain B-like protein | insig. | 34 | 45 |
| | Pseudomonas fluorescens GW456-L13 | PfGW456L13_3092 | | Formate dehydrogenase O beta subunit (EC 1.2.1.2) | insig. | 33 | 48 |
| | Pseudomonas fluorescens FW300-N1B4 | Pf1N1B4_4948 | | Formate dehydrogenase O beta subunit (EC 1.2.1.2) | insig. | 33 | 48 |
| | Pseudomonas fluorescens FW300-N2E3 | AO353_24970 | | formate dehydrogenase | insig. | 33 | 48 |
| | Hydrogenophaga sp. GW460-11-11-14-LB1 | GFF3689 | | NADH-ubiquinone oxidoreductase chain I (EC 1.6.5.3) | no data | 33 | 38 |
| | Shewanella oneidensis MR-1 | SO1521 | | iron-sulfur cluster-binding protein (NCBI ptt file) | strong | 32 | 30 |
| | Ralstonia sp. UNC404CL21Col | ABZR87_RS14840 | | NADH-quinone oxidoreductase subunit NuoI | no data | 34 | 38 |
| | Ralstonia solanacearum IBSBF1503 | RALBFv3_RS02935 | | NADH-quinone oxidoreductase subunit I | no data | 34 | 38 |
| | Ralstonia solanacearum GMI1000 | RS_RS10305 | | NADH-quinone oxidoreductase subunit I | no data | 34 | 38 |
| | Ralstonia solanacearum UW163 | UW163_RS10790 | | NADH-quinone oxidoreductase subunit I | no data | 34 | 38 |
| | Xanthomonas campestris pv. campestris strain 8004 | Xcc-8004.1991.1 | | NADH-ubiquinone oxidoreductase chain I (EC 1.6.5.3) | no data | 34 | 38 |
| | Castellaniella sp019104865 MT123 | ABCV34_RS08710 | | NADH-quinone oxidoreductase subunit NuoI | no data | 33 | 38 |
| | Shewanella oneidensis MR-1 | SO2510 | | iron-sulfur cluster-binding protein (NCBI ptt file) | insig. | 28 | 44 |
| | Pseudomonas sp. DMC3 | GFF2834 | | Formate dehydrogenase-O iron-sulfur subunit | cofit | 35 | 44 |
| | Acidovorax sp. GW101-3H11 | Ac3H11_1444 | | NADH-ubiquinone oxidoreductase chain I (EC 1.6.5.3) | no data | 33 | 38 |
| | Shewanella sp. ANA-3 | Shewana3_2170 | | electron transport complex protein RnfC (RefSeq) | strong | 28 | 44 |
| | Shewanella loihica PV-4 | Shew_0241 | | 4Fe-4S ferredoxin iron-sulfur binding domain-containing protein (RefSeq) | insig. | 36 | 37 |
| | Phocaeicola vulgatus CL09T03C04 | HMPREF1058_RS03460 | | Coenzyme F420 hydrogenase/dehydrogenase, beta subunit C-terminal domain | insig. | 34 | 36 |
| | Paraburkholderia bryophila 376MFSha3.1 | H281DRAFT_04575 | | NADH dehydrogenase subunit I | no data | 33 | 38 |
| | Paraburkholderia graminis OAS925 | ABIE53_001598 | | NADH-quinone oxidoreductase subunit I | insig. | 33 | 38 |
| | Shewanella loihica PV-4 | Shew_3136 | | FAD linked oxidase domain-containing protein (RefSeq) | strong | 32 | 30 |
| | Shewanella sp. ANA-3 | Shewana3_0103 | | formate dehydrogenase beta subunit (RefSeq) | cofit | 26 | 85 |
| | Shewanella oneidensis MR-1 | SO0102 | fdnH | formate dehydrogenase, nitrate-inducible, iron-sulfur subunit (NCBI ptt file) | insig. | 26 | 85 |
| | Burkholderia phytofirmans PsJN | BPHYT_RS06665 | | NADH-quinone oxidoreductase subunit I | no data | 33 | 38 |
| | Paraburkholderia sabiae LMG 24235 | QEN71_RS24110 | | NADH-quinone oxidoreductase subunit NuoI | no data | 33 | 38 |
| | Methanococcus maripaludis S2 | MMP_RS02385 | | ATP-binding protein | insig. | 33 | 47 |
| | Variovorax sp. OAS795 | ABID97_RS20455 | | NADH-quinone oxidoreductase subunit NuoI | no data | 33 | 38 |
| | Variovorax sp. SCN45 | GFF4758 | | NADH-ubiquinone oxidoreductase chain I (EC 1.6.5.3) | no data | 33 | 38 |
| | Rhodopseudomonas palustris CGA009 | TX73_006290 | | 2-oxoacid:acceptor oxidoreductase family protein | insig. | 30 | 45 |
| | Methanococcus maripaludis S2 | MMP_RS08345 | | 4Fe-4S binding protein | strong | 30 | 59 |
| | Methanococcus maripaludis S2 | MMP_RS08345 | | 4Fe-4S binding protein | strong | 30 | 46 |
| | Methanococcus maripaludis JJ | MMJJ_RS07945 | | 4Fe-4S binding protein | strong | 29 | 49 |
| | Methanococcus maripaludis S2 | MMP_RS06405 | | 4Fe-4S binding protein | no data | 29 | 49 |
| | Parabacteroides merdae CL09T00C40 | HMPREF1078_RS15450 | | Fe-S cluster domain-containing protein | insig. | 41 | 30 |
| | Methylophilus sp. DMC18 | GFF948 | | NADH-quinone oxidoreductase subunit I | no data | 33 | 38 |
| | Kangiella aquimarina DSM 16071 | B158DRAFT_0119 | | NADH dehydrogenase subunit I (EC 1.6.5.3) | strong | 32 | 38 |
| | Dyella japonica UNC79MFTsu3.2 | ABZR86_RS06075 | | NADH-quinone oxidoreductase subunit NuoI | no data | 31 | 38 |
| | Methanococcus maripaludis JJ | MMJJ_RS02890 | | ATP-binding protein | insig. | 41 | 35 |
| | Methanococcus maripaludis JJ | MMJJ_RS04935 | | 4Fe-4S binding protein | strong | 34 | 42 |
| | Methanococcus maripaludis S2 | MMP_RS00550 | | 4Fe-4S binding protein | no data | 34 | 42 |
| | Desulfovibrio vulgaris Hildenborough JW710 | DVU3292 | | pyridine nucleotide-disulfide oxidoreductase (TIGR) | strong | 43 | 30 |
| | Shewanella sp. ANA-3 | Shewana3_3913 | | 4Fe-4S ferredoxin iron-sulfur binding domain-containing protein (RefSeq) | cofit | 39 | 35 |
| | Shewanella oneidensis MR-1 | SO4506 | | iron-sulfur cluster-binding protein (NCBI ptt file) | strong | 39 | 35 |
| | Enterobacter asburiae PDN3 | EX28DRAFT_1085 | | formate dehydrogenase, beta subunit, Fe-S containing | insig. | 38 | 31 |
| | Desulfovibrio vulgaris Miyazaki F | DvMF_0885 | | nitrite and sulphite reductase 4Fe-4S region (RefSeq) | no data | 36 | 40 |
| | Rhodanobacter denitrificans MT42 | LRK55_RS17205 | | 4Fe-4S binding protein | insig. | 34 | 39 |
| | Rhodanobacter denitrificans FW104-10B01 | LRK54_RS17730 | | 4Fe-4S binding protein | insig. | 34 | 39 |
| | Herbaspirillum seropedicae SmR1 | HSERO_RS08860 | | NADH dehydrogenase subunit I | no data | 33 | 38 |
| | Mucilaginibacter yixingensis YX-36 DSM 26809 | ABZR88_RS17130 | | NADH-quinone oxidoreductase subunit I | no data | 31 | 39 |
| | Enterobacter sp. TBS_079 | MPMX20_02377 | | Formate dehydrogenase, nitrate-inducible, iron-sulfur subunit | insig. | 38 | 31 |
| | Pseudomonas aeruginosa MRSN321 | PFGADD_05041 | fdxH | formate dehydrogenase subunit beta | sig. | 38 | 31 |
| | Pseudomonas aeruginosa PA14 | IKLFDK_29520 | | formate dehydrogenase subunit beta | strong | 38 | 31 |
| | Pseudomonas aeruginosa PUPa3 | NPBIFN_05118 | fdxH | formate dehydrogenase subunit beta | insig. | 38 | 31 |
| | Methanococcus maripaludis S2 | MMP_RS08720 | | 4Fe-4S binding protein | strong | 36 | 41 |
| | Shewanella amazonensis SB2B | Sama_1832 | | electron transport complex protein RnfC (RefSeq) | no data | 35 | 31 |
| | Escherichia coli Nissle 1917 | ECOLIN_RS15200 | | formate hydrogenlyase subunit HycF | insig. | 34 | 39 |
| | Lysobacter sp. OAE881 | ABIE51_RS08350 | | NADH-quinone oxidoreductase subunit NuoI | no data | 33 | 38 |
| | Pedobacter sp. GW460-11-11-14-LB5 | CA265_RS23575 | | NADH-quinone oxidoreductase subunit I | no data | 32 | 39 |
| | Methanococcus maripaludis JJ | MMJJ_RS00860 | | 4Fe-4S binding protein | insig. | 37 | 43 |
| | Serratia liquefaciens MT49 | IAI46_12515 | | 4Fe-4S dicluster domain-containing protein | insig. | 36 | 37 |
| | Pantoea agglomerans CFBP13505 P0401 | PagCFBP13516_RS19055 | fdxH | formate dehydrogenase subunit beta | cofit | 35 | 31 |
| | Methanococcus maripaludis JJ | MMJJ_RS06025 | | 4Fe-4S binding protein | strong | 32 | 50 |
| | Methanococcus maripaludis JJ | MMJJ_RS00855 | | CoB--CoM heterodisulfide reductase iron-sulfur subunit A family protein | insig. | 32 | 59 |
| | Methanococcus maripaludis S2 | MMP_RS04295 | | CoB--CoM heterodisulfide reductase iron-sulfur subunit A family protein | sig. | 32 | 59 |
| | Methanococcus maripaludis JJ | MMJJ_RS06025 | | 4Fe-4S binding protein | strong | 28 | 46 |
| | Pseudomonas segetis P6 | ACVTMO_RS19970 | fdxH | formate dehydrogenase subunit beta | insig. | 27 | 66 |
| | Methanococcus maripaludis S2 | MMP_RS01690 | | indolepyruvate ferredoxin oxidoreductase subunit alpha | insig. | 37 | 35 |
| | Klebsiella pneumoniae MKP103 | KDGMDA_02985 | | formate hydrogenlyase complex iron-sulfur subunit | no data | 36 | 37 |
| | Klebsiella pneumoniae MRSN742743 | GJGHJB_01056 | nuoI | Formate hydrogenlyase complex 3 iron-sulfur protein | insig. | 36 | 37 |
| | Vibrio cholerae E7946 ATCC 55056 | CSW01_05165 | | electron transport complex subunit RsxC | insig. | 35 | 33 |
| | Salmonella enterica subsp. enterica serovar Typhimurium str. MS1868 | GFF2418 | | Anaerobic dimethyl sulfoxide reductase chain B (EC 1.8.5.3) | cofit | 33 | 37 |
| | Methanococcus maripaludis JJ | MMJJ_RS08470 | | ferredoxin family protein | insig. | 31 | 38 |
| | Methanococcus maripaludis JJ | MMJJ_RS04865 | | 4Fe-4S binding protein | cofit | 25 | 74 |
| | Variovorax sp. SCN45 | GFF942 | | Iron-sulfur cluster-binding protein | insig. | 39 | 38 |
| | 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. | 36 | 37 |
| | Dickeya dadantii 3937 | DDA3937_RS07855 | | formate dehydrogenase subunit beta | insig. | 35 | 31 |
| | Dickeya dianthicola 67-19 | HGI48_RS07620 | | formate dehydrogenase subunit beta | insig. | 35 | 31 |
| | Dickeya dianthicola ME23 | DZA65_RS08175 | | formate dehydrogenase subunit beta | insig. | 35 | 31 |
| | Enterobacter asburiae PDN3 | EX28DRAFT_4376 | | formate dehydrogenase, beta subunit, Fe-S containing | insig. | 35 | 31 |
| | Enterobacter sp. TBS_079 | MPMX20_04577 | | Formate dehydrogenase-O iron-sulfur subunit | sig. | 35 | 31 |
| | Klebsiella pneumoniae MKP103 | KDGMDA_09070 | | formate dehydrogenase subunit beta | insig. | 35 | 31 |
| | Klebsiella pneumoniae MKP103 | KDGMDA_22795 | | formate dehydrogenase subunit beta | insig. | 35 | 31 |
| | Klebsiella pneumoniae MRSN742743 | GJGHJB_02319 | fdxH | formate dehydrogenase subunit beta | insig. | 35 | 31 |
| | Klebsiella pneumoniae MRSN742743 | GJGHJB_04953 | fdxH | formate dehydrogenase subunit beta | sig. | 35 | 31 |
| | Pectobacterium carotovorum WPP14 | HER17_RS14670 | | formate dehydrogenase subunit beta | insig. | 35 | 31 |
| | Xanthobacter sp. DMC5 | GFF4695 | | Formate dehydrogenase-O iron-sulfur subunit | insig. | 35 | 31 |
| | Shewanella amazonensis SB2B | Sama_3616 | | iron-sulfur cluster-binding protein (RefSeq) | strong | 35 | 35 |
| | Ralstonia solanacearum GMI1000 | RS_RS11930 | | 4Fe-4S dicluster domain-containing protein | insig. | 35 | 37 |
| | Escherichia coli BL21 | ECD_02570 | | formate hydrogenlyase complex iron-sulfur protein | insig. | 34 | 39 |
| | Escherichia fergusonii Becca | EFB2_01203 | | NAD(P)H-quinone oxidoreductase subunit I, chloroplastic | insig. | 34 | 39 |
| | Escherichia coli ECOR27 | NOLOHH_12440 | hycF | formate hydrogenlyase subunit HycF | insig. | 34 | 39 |
| | Escherichia coli ECOR38 | HEPCGN_19785 | hycF | formate hydrogenlyase subunit HycF | insig. | 34 | 39 |
| | Escherichia coli ECRC100 | OKFHMN_20595 | hycF | formate hydrogenlyase subunit HycF | insig. | 34 | 39 |
| | Escherichia coli ECRC101 | MCAODC_11120 | hycF | formate hydrogenlyase subunit HycF | sig. | 34 | 39 |
| | Escherichia coli ECRC102 | NIAGMN_18365 | hycF | formate hydrogenlyase subunit HycF | cofit | 34 | 39 |
| | Escherichia coli ECRC62 | BNILDI_10990 | hycF | formate hydrogenlyase subunit HycF | insig. | 34 | 39 |
| | Escherichia coli ECRC98 | JDDGAC_24260 | hycF | formate hydrogenlyase subunit HycF | insig. | 34 | 39 |
| | Escherichia coli ECRC99 | KEDOAH_07540 | hycF | formate hydrogenlyase subunit HycF | no data | 34 | 39 |
| | Escherichia coli HS(pFamp)R (ATCC 700891) | OHPLBJKB_01014 | | NAD(P)H-quinone oxidoreductase subunit I, chloroplastic | insig. | 34 | 39 |
| | Methanococcus maripaludis JJ | MMJJ_RS07945 | | 4Fe-4S binding protein | strong | 34 | 44 |
| | Methanococcus maripaludis S2 | MMP_RS06405 | | 4Fe-4S binding protein | no data | 34 | 44 |
| | Methanococcus maripaludis S2 | MMP_RS05885 | | ferredoxin family protein | no data | 31 | 38 |
| | Azospirillum sp. SherDot2 | MPMX19_03498 | | Formate dehydrogenase, nitrate-inducible, iron-sulfur subunit | insig. | 31 | 39 |
| | Synechocystis sp000284455 PCC 6803 | SGL_RS16420 | | pyruvate:ferredoxin (flavodoxin) oxidoreductase | insig. | 28 | 32 |
| | Rahnella sp. WP5 | EX31_RS24910 | | dimethyl sulfoxide reductase anchor subunit | insig. | 38 | 36 |
| | Desulfovibrio vulgaris Miyazaki F | DvMF_2389 | | FAD-dependent pyridine nucleotide-disulphide oxidoreductase (RefSeq) | insig. | 33 | 30 |
| | Parabacteroides merdae CL09T00C40 | HMPREF1078_RS07530 | | glycyl-radical enzyme activating protein | insig. | 39 | 33 |
| | Variovorax sp. OAS795 | ABID97_RS13980 | | RnfABCDGE type electron transport complex subunit B | insig. | 39 | 39 |
| | Dyella japonica UNC79MFTsu3.2 | ABZR86_RS04510 | | formate dehydrogenase subunit beta | insig. | 38 | 31 |
| | Pseudomonas sp. BP01 | JOY50_RS20250 | fdxH | formate dehydrogenase subunit beta | insig. | 38 | 31 |
| | Pseudomonas putida KT2440 | PP_0490 | | formate dehydrogenase-O, beta subunit | insig. | 38 | 31 |
| | Dickeya dadantii 3937 | DDA3937_RS14170 | | formate dehydrogenase subunit beta | cofit | 35 | 31 |
| | Dickeya dianthicola 67-19 | HGI48_RS14155 | | formate dehydrogenase subunit beta | cofit | 35 | 31 |
| | Dickeya dianthicola ME23 | DZA65_RS14825 | | formate dehydrogenase subunit beta | insig. | 35 | 31 |
| | Escherichia coli BL21 | ECD_02872 | | hydrogenase 2 4Fe-4S ferredoxin-type component | insig. | 35 | 36 |
| | Dickeya dadantii 3937 | DDA3937_RS14250 | | hydrogenase 2 operon protein HybA | insig. | 35 | 36 |
| | Dickeya dianthicola 67-19 | HGI48_RS14225 | | hydrogenase 2 operon protein HybA | insig. | 35 | 36 |
| | Dickeya dianthicola ME23 | DZA65_RS14900 | | hydrogenase 2 operon protein HybA | insig. | 35 | 36 |
| | Escherichia fergusonii Becca | EFB2_00811 | | Formate dehydrogenase, nitrate-inducible, iron-sulfur subunit | cofit | 35 | 36 |
| | Escherichia coli ECOR27 | NOLOHH_10785 | hybA | hydrogenase 2 operon protein HybA | insig. | 35 | 36 |
| | Escherichia coli ECOR38 | HEPCGN_17870 | hybA | hydrogenase 2 operon protein HybA | insig. | 35 | 36 |
| | Escherichia coli ECRC100 | OKFHMN_19010 | hybA | hydrogenase 2 operon protein HybA | insig. | 35 | 36 |
| | Escherichia coli ECRC101 | MCAODC_09525 | hybA | hydrogenase 2 operon protein HybA | insig. | 35 | 36 |
| | Escherichia coli ECRC102 | NIAGMN_16775 | hybA | hydrogenase 2 operon protein HybA | insig. | 35 | 36 |
| | Escherichia coli ECRC62 | BNILDI_00730 | hybA | hydrogenase 2 operon protein HybA | insig. | 35 | 36 |
| | Escherichia coli ECRC98 | JDDGAC_22645 | hybA | hydrogenase 2 operon protein HybA | insig. | 35 | 36 |
| | Escherichia coli ECRC99 | KEDOAH_09135 | hybA | hydrogenase 2 operon protein HybA | no data | 35 | 36 |
| | Escherichia coli HS(pFamp)R (ATCC 700891) | OHPLBJKB_00703 | | Formate dehydrogenase, nitrate-inducible, iron-sulfur subunit | insig. | 35 | 36 |
| | Escherichia coli Nissle 1917 | ECOLIN_RS17260 | | hydrogenase 2 operon protein HybA | insig. | 35 | 36 |
| | Escherichia coli BW25113 | b2996 | hybA | hydrogenase 2 4Fe-4S ferredoxin-type component (NCBI) | sig. | 35 | 36 |
| | Salmonella enterica subsp. enterica serovar Typhimurium str. MS1868 | GFF3107 | | Fe-S-cluster-containing hydrogenase components 1 | insig. | 35 | 36 |
| | Enterobacter asburiae PDN3 | EX28DRAFT_2811 | | Formate hydrogenlyase subunit 6/NADH:ubiquinone oxidoreductase 23 kD subunit (chain I) | insig. | 34 | 37 |
| | Enterobacter sp. TBS_079 | MPMX20_03605 | | NAD(P)H-quinone oxidoreductase subunit I, chloroplastic | insig. | 34 | 37 |
| | Rhodospirillum rubrum S1H | Rru_A1423 | | 4Fe-4S ferredoxin, iron-sulfur binding (NCBI) | insig. | 33 | 43 |
| | Methanococcus maripaludis JJ | MMJJ_RS06025 | | 4Fe-4S binding protein | strong | 32 | 61 |
| | Shewanella loihica PV-4 | Shew_2068 | | electron transport complex protein RnfC (RefSeq) | no data | 29 | 41 |
| | Pseudomonas protegens RBAN4 | FABNJH_16585 | fdxH | formate dehydrogenase subunit beta | insig. | 23 | 91 |
| | Methanococcus maripaludis JJ | MMJJ_RS03225 | | 4Fe-4S binding protein | insig. | 40 | 33 |
| | Vibrio cholerae E7946 ATCC 55056 | CSW01_07610 | | (Fe-S)-binding protein | insig. | 40 | 29 |
| | Acidovorax sp. GW101-3H11 | Ac3H11_2293 | | Electron transport complex protein RnfB | insig. | 38 | 39 |
| | Pseudomonas sp. SVBP6 | COO64_RS16010 | fdxH | formate dehydrogenase subunit beta | insig. | 38 | 31 |
| | Rahnella sp. WP5 | EX31_RS19925 | | 4Fe-4S dicluster domain-containing protein | insig. | 36 | 37 |
| | Methanococcus maripaludis JJ | MMJJ_RS05645 | | 4Fe-4S binding protein | sig. | 36 | 41 |
| | Klebsiella michiganensis M5al | BWI76_RS00460 | | formate dehydrogenase subunit beta | no data | 35 | 31 |
| | Salmonella enterica subsp. enterica serovar Typhimurium str. MS1868 | GFF2252 | | Formate dehydrogenase O beta subunit (EC 1.2.1.2) | insig. | 35 | 31 |
| | Serratia liquefaciens MT49 | IAI46_00215 | | formate dehydrogenase subunit beta | insig. | 35 | 31 |
| | Dechlorosoma suillum PS | Dsui_3281 | | formate dehydrogenase, beta subunit, Fe-S containing | cofit | 35 | 31 |
| | Hydrogenophaga sp. GW460-11-11-14-LB1 | GFF1198 | | Iron-sulfur cluster-binding protein | insig. | 35 | 39 |
| | Burkholderia phytofirmans PsJN | BPHYT_RS13310 | | dihydropyrimidine dehydrogenase subunit B | sig. | 33 | 41 |
| | Methanococcus maripaludis JJ | MMJJ_RS06825 | | 4Fe-4S binding protein | sig. | 30 | 72 |
| | Shewanella sp. ANA-3 | Shewana3_2090 | | formate dehydrogenase beta subunit (RefSeq) | insig. | 40 | 29 |
| | Pseudomonas stutzeri RCH2 | Psest_4105 | | formate dehydrogenase, beta subunit, Fe-S containing | insig. | 38 | 31 |
| | Escherichia coli BL21 | ECD_03778 | | formate dehydrogenase-O, Fe-S subunit | sig. | 35 | 31 |
| | Escherichia fergusonii Becca | EFB2_04723 | | Formate dehydrogenase-O iron-sulfur subunit | insig. | 35 | 31 |
| | Escherichia coli ECOR27 | NOLOHH_06080 | fdoH | formate dehydrogenase O subunit beta | insig. | 35 | 31 |
| | Escherichia coli ECOR38 | HEPCGN_12595 | fdoH | formate dehydrogenase O subunit beta | insig. | 35 | 31 |
| | Escherichia coli ECRC100 | OKFHMN_13960 | fdoH | formate dehydrogenase O subunit beta | cofit | 35 | 31 |
| | Escherichia coli ECRC101 | MCAODC_04460 | fdoH | formate dehydrogenase O subunit beta | cofit | 35 | 31 |
| | Escherichia coli ECRC102 | NIAGMN_11715 | fdoH | formate dehydrogenase O subunit beta | cofit | 35 | 31 |
| | Escherichia coli ECRC62 | BNILDI_05445 | fdoH | formate dehydrogenase O subunit beta | cofit | 35 | 31 |
| | Escherichia coli ECRC98 | JDDGAC_17585 | fdoH | formate dehydrogenase O subunit beta | cofit | 35 | 31 |
| | Escherichia coli ECRC99 | KEDOAH_14195 | fdoH | formate dehydrogenase O subunit beta | no data | 35 | 31 |
| | Escherichia coli HS(pFamp)R (ATCC 700891) | OHPLBJKB_04158 | | Formate dehydrogenase-O iron-sulfur subunit | sig. | 35 | 31 |
| | Escherichia coli Nissle 1917 | ECOLIN_RS22445 | | formate dehydrogenase O subunit beta | cofit | 35 | 31 |
| | Escherichia coli BW25113 | b3893 | fdoH | formate dehydrogenase-O, Fe-S subunit (NCBI) | strong | 35 | 31 |
| | Marinobacter adhaerens HP15 | HP15_4124 | | protein containing 4Fe-4S ferredoxin, iron-sulfur binding, subgroup domains | strong | 35 | 37 |
| | Azospirillum sp. SherDot2 | MPMX19_03509 | | NAD(P)H-quinone oxidoreductase subunit I, chloroplastic | insig. | 34 | 33 |
| | Methanococcus maripaludis JJ | MMJJ_RS06025 | | 4Fe-4S binding protein | strong | 33 | 50 |
| | Klebsiella michiganensis M5al | BWI76_RS16365 | | electron transport complex subunit RsxC | sig. | 29 | 41 |
| | Enterobacter asburiae PDN3 | EX28DRAFT_1625 | | electron transport complex, RnfABCDGE type, C subunit | insig. | 28 | 38 |
| | Methanococcus maripaludis S2 | MMP_RS00620 | | 4Fe-4S binding protein | strong | 25 | 74 |
| | Lysobacter sp. OAE881 | ABIE51_RS02980 | | 4Fe-4S dicluster domain-containing protein | strong | 38 | 31 |
| | Methanococcus maripaludis S2 | MMP_RS04290 | | 4Fe-4S binding protein | sig. | 37 | 41 |
| | Escherichia coli BL21 | ECD_01433 | | formate dehydrogenase-N, Fe-S (beta) subunit, nitrate-inducible | no data | 35 | 31 |
| | Escherichia fergusonii Becca | EFB2_02518 | | Formate dehydrogenase, nitrate-inducible, iron-sulfur subunit | insig. | 35 | 31 |
| | Escherichia coli ECOR27 | NOLOHH_19055 | fdnH | formate dehydrogenase N subunit beta | insig. | 35 | 31 |
| | Escherichia coli ECOR38 | HEPCGN_26405 | fdnH | formate dehydrogenase N subunit beta | insig. | 35 | 31 |
| | Escherichia coli ECRC100 | OKFHMN_01380 | fdnH | formate dehydrogenase N subunit beta | no data | 35 | 31 |
| | Escherichia coli ECRC101 | MCAODC_16560 | fdnH | formate dehydrogenase N subunit beta | insig. | 35 | 31 |
| | Escherichia coli ECRC102 | NIAGMN_25510 | fdnH | formate dehydrogenase N subunit beta | insig. | 35 | 31 |
| | Escherichia coli ECRC62 | BNILDI_17540 | fdnH | formate dehydrogenase N subunit beta | cofit | 35 | 31 |
| | Escherichia coli ECRC98 | JDDGAC_03870 | fdnH | formate dehydrogenase N subunit beta | insig. | 35 | 31 |
| | Escherichia coli ECRC99 | KEDOAH_27060 | fdnH | formate dehydrogenase N subunit beta | no data | 35 | 31 |
| | Escherichia coli HS(pFamp)R (ATCC 700891) | OHPLBJKB_02242 | | Formate dehydrogenase, nitrate-inducible, iron-sulfur subunit | insig. | 35 | 31 |
| | Escherichia coli Nissle 1917 | ECOLIN_RS08500 | | formate dehydrogenase N subunit beta | no data | 35 | 31 |
| | Escherichia coli BW25113 | b1475 | fdnH | formate dehydrogenase-N, Fe-S (beta) subunit, nitrate-inducible (NCBI) | insig. | 35 | 31 |
| | Klebsiella michiganensis M5al | BWI76_RS13745 | | formate dehydrogenase subunit beta | insig. | 35 | 31 |
| | Salmonella enterica subsp. enterica serovar Typhimurium str. MS1868 | GFF2559 | | Formate dehydrogenase N beta subunit (EC 1.2.1.2) | insig. | 35 | 31 |
| | Rahnella sp. WP5 | EX31_RS05770 | | formate dehydrogenase subunit beta | insig. | 35 | 31 |
| | Bacteroides thetaiotaomicron VPI-5482 | BT2414 | | ferredoxin (NCBI ptt file) | no data | 34 | 48 |
| | Methanococcus maripaludis S2 | MMP_RS08345 | | 4Fe-4S binding protein | strong | 30 | 50 |
| | Methanococcus maripaludis S2 | MMP_RS07535 | | 4Fe-4S binding protein | strong | 30 | 73 |
| | Methanococcus maripaludis S2 | MMP_RS07535 | | 4Fe-4S binding protein | strong | 25 | 44 |
| | Desulfovibrio vulgaris Hildenborough JW710 | DVU0498 | | iron-sulfur cluster-binding protein, putative (TIGR) | insig. | 49 | 24 |
| | Methanococcus maripaludis S2 | MMP_RS02080 | | 4Fe-4S binding protein | no data | 40 | 33 |
| | Sinorhizobium meliloti 1021 | SMa1519 | | NADH:ubiquinone oxidoreductase subunit 6 (chain I) | insig. | 34 | 38 |