| Orth | Species | Gene | Name | Description | Fitness | %Id | Cov |
| | Azospirillum sp. SherDot2 | MPMX19_02900 | | hypothetical protein | insig. | 100 | 100 |
| o | Paraburkholderia sabiae LMG 24235 | QEN71_RS43120 | | 4Fe-4S dicluster domain-containing protein | insig. | 50 | 94 |
| o | Pedobacter sp. GW460-11-11-14-LB5 | CA265_RS17845 | | molybdopterin oxidoreductase | no data | 35 | 97 |
| o | Mucilaginibacter yixingensis YX-36 DSM 26809 | ABZR88_RS03630 | | TAT-variant-translocated molybdopterin oxidoreductase | no data | 35 | 97 |
| o | Echinicola vietnamensis KMM 6221, DSM 17526 | Echvi_2097 | | Fe-S-cluster-containing hydrogenase components 1 | no data | 35 | 97 |
| o | Pontibacter actiniarum KMM 6156, DSM 19842 | CA264_01285 | | molybdopterin oxidoreductase | no data | 35 | 96 |
| o | Cellulophaga baltica 18 | M666_RS07615 | | TAT-variant-translocated molybdopterin oxidoreductase | no data | 32 | 97 |
| | Desulfovibrio vulgaris Hildenborough JW710 | DVU0693 | narH | molybdopterin oxidoreductase, iron-sulfur cluster-binding subunit, putative (TIGR), containing cytochrome c heme-binding site (VIMSS_AUTO) | strong | 39 | 23 |
| | Desulfovibrio vulgaris Miyazaki F | DvMF_2688 | | 4Fe-4S ferredoxin iron-sulfur binding domain protein (RefSeq) | no data | 38 | 23 |
| | Cellulophaga baltica 18 | M666_RS14265 | | 4Fe-4S dicluster domain-containing protein | insig. | 33 | 22 |
| | Magnetospirillum magneticum AMB-1 | AMB_RS17930 | | 4Fe-4S dicluster domain-containing protein | strong | 31 | 22 |
| | Dinoroseobacter shibae DFL-12 | Dshi_1237 | | 4Fe-4S ferredoxin iron-sulfur binding domain protein (RefSeq) | insig. | 32 | 23 |
| | Variovorax sp. SCN45 | GFF3158 | | Sulfite dehydrogenase (quinone), iron-sulfur subunit SoeB (EC 1.8.5.6) | insig. | 31 | 22 |
| | Burkholderia phytofirmans PsJN | BPHYT_RS24535 | | ferredoxin | no data | 30 | 23 |
| | Lysobacter sp. OAE881 | ABIE51_RS02980 | | 4Fe-4S dicluster domain-containing protein | strong | 32 | 22 |
| | Desulfovibrio vulgaris Hildenborough JW710 | DVU1287 | DsrO | Periplasmic (Tat), binds 2[4Fe-4S] (Shelley Haveman) | no data | 37 | 19 |
| | Shewanella sp. ANA-3 | Shewana3_2340 | | 4Fe-4S ferredoxin iron-sulfur binding domain-containing protein (RefSeq) | insig. | 30 | 22 |
| | Azospirillum brasilense Sp245 | AZOBR_RS32495 | | ferredoxin | sig. | 33 | 22 |
| | Desulfovibrio vulgaris Miyazaki F | DvMF_0067 | | 4Fe-4S ferredoxin iron-sulfur binding domain protein (RefSeq) | no data | 39 | 16 |
| | Phaeobacter inhibens DSM 17395 | PGA1_c28890 | | polysulfide reductase chain B-like protein | insig. | 30 | 22 |
| | Shewanella sp. ANA-3 | Shewana3_0635 | | 4Fe-4S ferredoxin iron-sulfur binding domain-containing protein (RefSeq) | insig. | 33 | 22 |
| | Shewanella oneidensis MR-1 | SO4061 | psrB | polysulfide reductase, subunit B (NCBI ptt file) | insig. | 32 | 22 |
| | Shewanella sp. ANA-3 | Shewana3_3618 | | 4Fe-4S ferredoxin iron-sulfur binding domain-containing protein (RefSeq) | insig. | 32 | 22 |
| | Shewanella loihica PV-4 | Shew_0607 | | 4Fe-4S ferredoxin iron-sulfur binding domain-containing protein (RefSeq) | no data | 33 | 22 |
| | Azospirillum brasilense Sp245 | AZOBR_RS23550 | | tetrathionate reductase subunit B | insig. | 32 | 23 |
| | Dickeya dianthicola 67-19 | HGI48_RS04545 | | 4Fe-4S dicluster domain-containing protein | insig. | 32 | 21 |
| | Dickeya dianthicola ME23 | DZA65_RS04465 | | 4Fe-4S dicluster domain-containing protein | insig. | 32 | 21 |
| | Dickeya dadantii 3937 | DDA3937_RS04585 | | 4Fe-4S dicluster domain-containing protein | insig. | 33 | 21 |
| | Pectobacterium carotovorum WPP14 | HER17_RS17065 | | 4Fe-4S dicluster domain-containing protein | insig. | 31 | 22 |
| | Shewanella amazonensis SB2B | Sama_2903 | | NrfC, Fe-S-cluster-containing hydrogenase component 1 (RefSeq) | insig. | 29 | 24 |
| | Shewanella amazonensis SB2B | Sama_3176 | | polysulfide reductase, subunit B (RefSeq) | insig. | 33 | 22 |
| | Magnetospirillum magneticum AMB-1 | AMB_RS06305 | | 4Fe-4S dicluster domain-containing protein | cofit | 29 | 22 |
| | Magnetospirillum magneticum AMB-1 | AMB_RS10175 | | 4Fe-4S dicluster domain-containing protein | insig. | 33 | 20 |
| | Shewanella loihica PV-4 | Shew_3157 | | 4Fe-4S ferredoxin iron-sulfur binding domain-containing protein (RefSeq) | insig. | 31 | 24 |
| | Shewanella sp. ANA-3 | Shewana3_0493 | | 4Fe-4S ferredoxin iron-sulfur binding domain-containing protein (RefSeq) | insig. | 29 | 22 |
| | Dechlorosoma suillum PS | Dsui_2508 | | Fe-S-cluster-containing hydrogenase subunit | cofit | 32 | 22 |
| | Shewanella loihica PV-4 | Shew_0352 | | 4Fe-4S ferredoxin iron-sulfur binding domain-containing protein (RefSeq) | insig. | 30 | 22 |
| | Shewanella oneidensis MR-1 | SO0483 | nrfC | formate-dependent nitrite reductase, nrfC protein (NCBI ptt file) | insig. | 28 | 22 |
| | Serratia liquefaciens MT49 | IAI46_04870 | | tetrathionate reductase subunit TtrB | insig. | 30 | 22 |
| | Salmonella enterica subsp. enterica serovar Typhimurium str. MS1868 | GFF3574 | | Tetrathionate reductase subunit B | insig. | 28 | 20 |
| | Salmonella enterica subsp. enterica serovar Typhimurium str. MS1868 | GFF1455 | | NrfC protein | cofit | 28 | 22 |
| | Magnetospirillum magneticum AMB-1 | AMB_RS16595 | | 4Fe-4S dicluster domain-containing protein | cofit | 30 | 20 |
| | Magnetospirillum magneticum AMB-1 | AMB_RS17085 | | 4Fe-4S dicluster domain-containing protein | cofit | 29 | 22 |
| | Shewanella sp. ANA-3 | Shewana3_3961 | | 4Fe-4S ferredoxin iron-sulfur binding domain-containing protein (RefSeq) | cofit | 31 | 22 |
| | Escherichia coli BL21 | ECD_03944 | | formate-dependent nitrite reductase, 4Fe4S subunit | insig. | 28 | 22 |
| | Escherichia coli ECOR27 | NOLOHH_05060 | nrfC | cytochrome c nitrite reductase Fe-S protein | insig. | 28 | 22 |
| | Escherichia coli ECRC100 | OKFHMN_12810 | nrfC | cytochrome c nitrite reductase Fe-S protein | insig. | 28 | 22 |
| | Escherichia coli ECRC101 | MCAODC_03320 | nrfC | cytochrome c nitrite reductase Fe-S protein | insig. | 28 | 22 |
| | Escherichia coli ECRC102 | NIAGMN_10655 | nrfC | cytochrome c nitrite reductase Fe-S protein | cofit | 28 | 22 |
| | Escherichia coli ECRC62 | BNILDI_06465 | nrfC | cytochrome c nitrite reductase Fe-S protein | insig. | 28 | 22 |
| | Escherichia coli ECRC98 | JDDGAC_16445 | nrfC | cytochrome c nitrite reductase Fe-S protein | insig. | 28 | 22 |
| | Escherichia coli ECRC99 | KEDOAH_15340 | nrfC | cytochrome c nitrite reductase Fe-S protein | no data | 28 | 22 |
| | Escherichia coli HS(pFamp)R (ATCC 700891) | OHPLBJKB_03968 | | putative ferredoxin-like protein YdhX | insig. | 28 | 22 |
| | Escherichia coli BW25113 | b4072 | nrfC | formate-dependent nitrite reductase, 4Fe4S subunit (NCBI) | insig. | 28 | 22 |
| | Escherichia fergusonii Becca | EFB2_04517 | | putative ferredoxin-like protein YdhX | insig. | 28 | 22 |
| | Escherichia coli ECOR38 | HEPCGN_11435 | nrfC | cytochrome c nitrite reductase Fe-S protein | insig. | 28 | 22 |
| | Escherichia coli Nissle 1917 | ECOLIN_RS23565 | | cytochrome c nitrite reductase Fe-S protein | insig. | 28 | 22 |
| | Shewanella loihica PV-4 | Shew_3244 | | 4Fe-4S ferredoxin iron-sulfur binding domain-containing protein (RefSeq) | insig. | 30 | 21 |
| | Pectobacterium carotovorum WPP14 | HER17_RS09005 | | cytochrome c nitrite reductase Fe-S protein | insig. | 29 | 22 |
| | Salmonella enterica subsp. enterica serovar Typhimurium str. MS1868 | GFF3921 | | Thiosulfate reductase electron transport protein phsB | cofit | 31 | 20 |
| | Shewanella loihica PV-4 | Shew_0244 | | 4Fe-4S ferredoxin iron-sulfur binding domain-containing protein (RefSeq) | insig. | 30 | 22 |
| | Shewanella loihica PV-4 | Shew_0064 | | 4Fe-4S ferredoxin iron-sulfur binding domain-containing protein (RefSeq) | insig. | 29 | 18 |
| | Escherichia coli HS(pFamp)R (ATCC 700891) | OHPLBJKB_02053 | | putative ferredoxin-like protein YdhX | insig. | 28 | 20 |
| | Shewanella loihica PV-4 | Shew_0060 | | 4Fe-4S ferredoxin iron-sulfur binding domain-containing protein (RefSeq) | cofit | 29 | 18 |
| | Escherichia coli ECOR38 | HEPCGN_05700 | | Thiosulfate reductase electron transport protein PhsB | insig. | 28 | 20 |
| | Shewanella oneidensis MR-1 | SO4514 | fdhB-2 | formate dehydrogenase, iron-sulfur subunit (NCBI ptt file) | insig. | 29 | 18 |
| | Shewanella loihica PV-4 | Shew_0241 | | 4Fe-4S ferredoxin iron-sulfur binding domain-containing protein (RefSeq) | insig. | 27 | 19 |
| | Shewanella sp. ANA-3 | Shewana3_3921 | | 4Fe-4S ferredoxin iron-sulfur binding domain-containing protein (RefSeq) | cofit | 28 | 19 |
| | Escherichia fergusonii Becca | EFB2_02321 | | putative ferredoxin-like protein YdhX | insig. | 28 | 20 |
| | Escherichia coli Nissle 1917 | ECOLIN_RS09350 | | 4Fe-4S dicluster domain-containing protein | no data | 28 | 20 |
| | Escherichia coli BL21 | ECD_01640 | | putative 4Fe-4S ferridoxin-type protein; FNR, Nar, NarP-regulated protein; putative subunit of YdhYVWXUT oxidoreductase complex | no data | 27 | 20 |
| | Escherichia coli BW25113 | b1671 | ydhX | predicted 4Fe-4S ferridoxin-type protein (RefSeq) | sig. | 27 | 20 |
| | Escherichia coli ECOR27 | NOLOHH_17835 | | Ferredoxin | insig. | 27 | 20 |
| | Escherichia coli ECRC62 | BNILDI_16625 | | Ferredoxin | cofit | 27 | 20 |
| | Shewanella amazonensis SB2B | Sama_3612 | | formate dehydrogenase, iron-sulfur subunit (RefSeq) | strong | 28 | 20 |
| | Serratia liquefaciens MT49 | IAI46_15705 | | 4Fe-4S dicluster domain-containing protein | insig. | 25 | 19 |
| | Shewanella sp. ANA-3 | Shewana3_3917 | | 4Fe-4S ferredoxin iron-sulfur binding domain-containing protein (RefSeq) | cofit | 28 | 20 |
| | Shewanella oneidensis MR-1 | SO4510 | fdhB-1 | formate dehydrogenase, iron-sulfur subunit (NCBI ptt file) | cofit | 28 | 20 |
| | Escherichia coli ECRC101 | MCAODC_18095 | | Putative oxidoreductase Fe-S subunit | sig. | 27 | 20 |
| | Magnetospirillum magneticum AMB-1 | AMB_RS08345 | | 4Fe-4S dicluster domain-containing protein | cofit | 25 | 21 |
| | Salmonella enterica subsp. enterica serovar Typhimurium str. MS1868 | GFF4517 | | Anaerobic dimethyl sulfoxide reductase chain B (EC 1.8.5.3) | insig. | 29 | 20 |
| | Escherichia coli ECRC100 | OKFHMN_27315 | | Uncharacterized ferredoxin-like protein YdhX | cofit | 27 | 20 |
| | Escherichia coli ECRC102 | NIAGMN_00750 | | Uncharacterized ferredoxin-like protein YdhX | insig. | 27 | 20 |
| | Escherichia coli ECRC98 | JDDGAC_01890 | | Uncharacterized ferredoxin-like protein YdhX | insig. | 27 | 20 |
| | Escherichia coli ECRC99 | KEDOAH_00795 | | Uncharacterized ferredoxin-like protein YdhX | no data | 27 | 20 |
| | Phaeobacter inhibens DSM 17395 | PGA1_c27640 | | formate dehydrogenase iron-sulfur subunit | insig. | 28 | 20 |
| | Klebsiella michiganensis M5al | BWI76_RS09685 | | dimethylsulfoxide reductase, chain B | no data | 26 | 19 |
| | Serratia liquefaciens MT49 | IAI46_08585 | | dimethylsulfoxide reductase subunit B | insig. | 25 | 23 |
| | Shewanella amazonensis SB2B | Sama_3608 | | formate dehydrogenase, iron-sulfur subunit (RefSeq) | insig. | 27 | 19 |
| | Klebsiella michiganensis M5al | BWI76_RS15930 | | dimethylsulfoxide reductase, chain B | insig. | 25 | 23 |
| | Escherichia coli BL21 | ECD_00899 | | dimethyl sulfoxide reductase, anaerobic, subunit B | insig. | 25 | 19 |
| | Escherichia coli ECOR27 | NOLOHH_22110 | dmsB | dimethylsulfoxide reductase subunit B | insig. | 25 | 19 |
| | Escherichia coli ECRC62 | BNILDI_20365 | dmsB | dimethylsulfoxide reductase subunit B | insig. | 25 | 19 |
| | Escherichia coli HS(pFamp)R (ATCC 700891) | OHPLBJKB_02773 | | Anaerobic dimethyl sulfoxide reductase chain B | insig. | 25 | 19 |
| | Escherichia coli BW25113 | b0895 | dmsB | dimethyl sulfoxide reductase, anaerobic, subunit B (NCBI) | sig. | 25 | 19 |
| | Escherichia coli ECRC100 | OKFHMN_01380 | fdnH | formate dehydrogenase N subunit beta | no data | 27 | 19 |
| | Escherichia coli ECRC101 | MCAODC_16560 | fdnH | formate dehydrogenase N subunit beta | insig. | 27 | 19 |
| | Escherichia coli ECRC102 | NIAGMN_25510 | fdnH | formate dehydrogenase N subunit beta | insig. | 27 | 19 |
| | Escherichia coli ECRC98 | JDDGAC_03870 | fdnH | formate dehydrogenase N subunit beta | insig. | 27 | 19 |
| | Escherichia coli ECRC99 | KEDOAH_27060 | fdnH | formate dehydrogenase N subunit beta | no data | 27 | 19 |