| Orth | Species | Gene | Name | Description | Fitness | %Id | Cov |
| | Azospirillum sp. SherDot2 | MPMX19_03498 | | Formate dehydrogenase, nitrate-inducible, iron-sulfur subunit | insig. | 100 | 100 |
| o | Dechlorosoma suillum PS | Dsui_3281 | | formate dehydrogenase, beta subunit, Fe-S containing | cofit | 81 | 97 |
| o | Pseudomonas aeruginosa PA14 | IKLFDK_29520 | | formate dehydrogenase subunit beta | insig. | 72 | 94 |
| o | Dickeya dianthicola ME23 | DZA65_RS14825 | | formate dehydrogenase subunit beta | insig. | 68 | 97 |
| o | Pseudomonas sp. SVBP6 | COO64_RS16010 | fdxH | formate dehydrogenase subunit beta | insig. | 70 | 93 |
| o | Dickeya dianthicola 67-19 | HGI48_RS14155 | | formate dehydrogenase subunit beta | cofit | 68 | 97 |
| o | Pseudomonas fluorescens FW300-N2E3 | AO353_24970 | | formate dehydrogenase | insig. | 69 | 95 |
| o | Dickeya dadantii 3937 | DDA3937_RS14170 | | formate dehydrogenase subunit beta | cofit | 67 | 97 |
| o | Pseudomonas stutzeri RCH2 | Psest_4105 | | formate dehydrogenase, beta subunit, Fe-S containing | insig. | 70 | 93 |
| o | Pseudomonas fluorescens FW300-N1B4 | Pf1N1B4_4948 | | Formate dehydrogenase O beta subunit (EC 1.2.1.2) | insig. | 70 | 93 |
| o | Burkholderia phytofirmans PsJN | BPHYT_RS32435 | | formate dehydrogenase-N subunit beta | insig. | 65 | 100 |
| o | Pseudomonas sp. DMC3 | GFF2834 | | Formate dehydrogenase-O iron-sulfur subunit | cofit | 69 | 93 |
| o | Pseudomonas fluorescens GW456-L13 | PfGW456L13_3092 | | Formate dehydrogenase O beta subunit (EC 1.2.1.2) | insig. | 68 | 96 |
| o | Enterobacter asburiae PDN3 | EX28DRAFT_4376 | | formate dehydrogenase, beta subunit, Fe-S containing | insig. | 66 | 97 |
| o | Escherichia coli BL21 | ECD_01433 | | formate dehydrogenase-N, Fe-S (beta) subunit, nitrate-inducible | no data | 65 | 96 |
| o | Klebsiella pneumoniae MKP103 | KDGMDA_22795 | | formate dehydrogenase subunit beta | insig. | 66 | 95 |
| o | Serratia liquefaciens MT49 | IAI46_00215 | | formate dehydrogenase subunit beta | insig. | 65 | 96 |
| o | Pseudomonas segetis P6 | MPMX49_04028 | | Formate dehydrogenase-O iron-sulfur subunit | insig. | 70 | 93 |
| o | Pseudomonas sp. BP01 | JOY50_RS20250 | fdxH | formate dehydrogenase subunit beta | insig. | 67 | 96 |
| o | Escherichia coli ECOR27 | NOLOHH_19055 | fdnH | formate dehydrogenase N subunit beta | insig. | 65 | 96 |
| o | Escherichia coli ECRC62 | BNILDI_17540 | fdnH | formate dehydrogenase N subunit beta | cofit | 65 | 96 |
| o | Escherichia coli HS(pFamp)R (ATCC 700891) | OHPLBJKB_02242 | | Formate dehydrogenase, nitrate-inducible, iron-sulfur subunit | insig. | 65 | 96 |
| o | Escherichia coli BW25113 | b1475 | fdnH | formate dehydrogenase-N, Fe-S (beta) subunit, nitrate-inducible (NCBI) | insig. | 65 | 96 |
| o | Enterobacter sp. TBS_079 | MPMX20_04577 | | Formate dehydrogenase-O iron-sulfur subunit | sig. | 66 | 97 |
| o | Escherichia coli ECOR38 | HEPCGN_26405 | fdnH | formate dehydrogenase N subunit beta | insig. | 65 | 96 |
| o | Escherichia coli ECRC100 | OKFHMN_01380 | fdnH | formate dehydrogenase N subunit beta | no data | 65 | 96 |
| o | Escherichia coli ECRC101 | MCAODC_16560 | fdnH | formate dehydrogenase N subunit beta | insig. | 65 | 96 |
| o | Escherichia coli ECRC102 | NIAGMN_25510 | fdnH | formate dehydrogenase N subunit beta | insig. | 65 | 96 |
| o | Escherichia coli ECRC98 | JDDGAC_03870 | fdnH | formate dehydrogenase N subunit beta | insig. | 65 | 96 |
| o | Escherichia coli ECRC99 | KEDOAH_27060 | fdnH | formate dehydrogenase N subunit beta | no data | 65 | 96 |
| o | Escherichia fergusonii Becca | EFB2_02518 | | Formate dehydrogenase, nitrate-inducible, iron-sulfur subunit | insig. | 65 | 96 |
| o | Escherichia coli Nissle 1917 | ECOLIN_RS08500 | | formate dehydrogenase N subunit beta | no data | 65 | 96 |
| o | Pseudomonas putida KT2440 | PP_0490 | | formate dehydrogenase-O, beta subunit | insig. | 66 | 96 |
| | Escherichia coli BL21 | ECD_03778 | | formate dehydrogenase-O, Fe-S subunit | sig. | 64 | 97 |
| | Escherichia fergusonii Becca | EFB2_04723 | | Formate dehydrogenase-O iron-sulfur subunit | insig. | 64 | 97 |
| | Escherichia coli ECOR27 | NOLOHH_06080 | fdoH | formate dehydrogenase O subunit beta | insig. | 64 | 97 |
| | Escherichia coli ECOR38 | HEPCGN_12595 | fdoH | formate dehydrogenase O subunit beta | insig. | 64 | 97 |
| | Escherichia coli ECRC62 | BNILDI_05445 | fdoH | formate dehydrogenase O subunit beta | cofit | 64 | 97 |
| | Escherichia coli HS(pFamp)R (ATCC 700891) | OHPLBJKB_04158 | | Formate dehydrogenase-O iron-sulfur subunit | insig. | 64 | 97 |
| | Escherichia coli Nissle 1917 | ECOLIN_RS22445 | | formate dehydrogenase O subunit beta | cofit | 64 | 97 |
| | Escherichia coli BW25113 | b3893 | fdoH | formate dehydrogenase-O, Fe-S subunit (NCBI) | strong | 64 | 97 |
| | Klebsiella pneumoniae MKP103 | KDGMDA_09070 | | formate dehydrogenase subunit beta | insig. | 68 | 93 |
| | Escherichia coli ECRC100 | OKFHMN_13960 | fdoH | formate dehydrogenase O subunit beta | cofit | 63 | 97 |
| | Escherichia coli ECRC101 | MCAODC_04460 | fdoH | formate dehydrogenase O subunit beta | cofit | 63 | 97 |
| | Escherichia coli ECRC102 | NIAGMN_11715 | fdoH | formate dehydrogenase O subunit beta | cofit | 63 | 97 |
| | Escherichia coli ECRC98 | JDDGAC_17585 | fdoH | formate dehydrogenase O subunit beta | insig. | 63 | 97 |
| | Escherichia coli ECRC99 | KEDOAH_14195 | fdoH | formate dehydrogenase O subunit beta | no data | 63 | 97 |
| o | Klebsiella michiganensis M5al | BWI76_RS00460 | | formate dehydrogenase subunit beta | no data | 67 | 93 |
| | Klebsiella michiganensis M5al | BWI76_RS19150 | | formate dehydrogenase subunit beta | no data | 67 | 93 |
| o | Salmonella enterica subsp. enterica serovar Typhimurium str. MS1868 | GFF2252 | | Formate dehydrogenase O beta subunit (EC 1.2.1.2) | insig. | 65 | 97 |
| | Enterobacter sp. TBS_079 | MPMX20_02377 | | Formate dehydrogenase, nitrate-inducible, iron-sulfur subunit | insig. | 63 | 96 |
| | Salmonella enterica subsp. enterica serovar Typhimurium str. MS1868 | GFF2559 | | Formate dehydrogenase N beta subunit (EC 1.2.1.2) | insig. | 63 | 96 |
| o | Pantoea agglomerans CFBP13505 P0401 | PagCFBP13505_RS15790 | | formate dehydrogenase subunit beta | cofit | 65 | 96 |
| | Enterobacter asburiae PDN3 | EX28DRAFT_1085 | | formate dehydrogenase, beta subunit, Fe-S containing | insig. | 63 | 96 |
| | Klebsiella michiganensis M5al | BWI76_RS13745 | | formate dehydrogenase subunit beta | insig. | 66 | 92 |
| o | Paraburkholderia sabiae LMG 24235 | QEN71_RS18420 | | formate dehydrogenase subunit beta | insig. | 64 | 99 |
| | Dickeya dianthicola 67-19 | HGI48_RS07620 | | formate dehydrogenase subunit beta | insig. | 62 | 99 |
| | Dickeya dianthicola ME23 | DZA65_RS08175 | | formate dehydrogenase subunit beta | insig. | 62 | 99 |
| | Dickeya dadantii 3937 | DDA3937_RS07855 | | formate dehydrogenase subunit beta | insig. | 62 | 99 |
| o | Pectobacterium carotovorum WPP14 | HER17_RS14670 | | formate dehydrogenase subunit beta | insig. | 63 | 99 |
| o | Rahnella sp. WP5 | EX31_RS05770 | | formate dehydrogenase subunit beta | insig. | 63 | 100 |
| o | Variovorax sp. SCN45 | GFF5657 | | Formate dehydrogenase O beta subunit (EC 1.2.1.2) | insig. | 64 | 96 |
| | Pseudomonas sp. SVBP6 | COO64_RS10630 | fdxH | formate dehydrogenase subunit beta | insig. | 65 | 92 |
| | Pseudomonas stutzeri RCH2 | Psest_2152 | | formate dehydrogenase, beta subunit, Fe-S containing | insig. | 61 | 98 |
| o | Dyella japonica UNC79MFTsu3.2 | ABZR86_RS04510 | | formate dehydrogenase subunit beta | insig. | 66 | 92 |
| o | Sinorhizobium meliloti 1021 | SMa0005 | | formate dehydrogenase susbunit beta | insig. | 63 | 87 |
| o | Xanthobacter sp. DMC5 | GFF4695 | | Formate dehydrogenase-O iron-sulfur subunit | insig. | 60 | 95 |
| o | Shewanella sp. ANA-3 | Shewana3_0103 | | formate dehydrogenase beta subunit (RefSeq) | cofit | 51 | 99 |
| o | Shewanella oneidensis MR-1 | SO0102 | fdnH | formate dehydrogenase, nitrate-inducible, iron-sulfur subunit (NCBI ptt file) | insig. | 52 | 93 |
| | Shewanella sp. ANA-3 | Shewana3_2090 | | formate dehydrogenase beta subunit (RefSeq) | insig. | 53 | 93 |
| | Desulfovibrio vulgaris Hildenborough JW710 | DVU2481 | fdoH | formate dehydrogenase, beta subunit, putative (TIGR) | insig. | 42 | 57 |
| | Desulfovibrio vulgaris Miyazaki F | DvMF_2534 | | formate dehydrogenase beta subunit (RefSeq) | insig. | 39 | 58 |
| | Desulfovibrio vulgaris Hildenborough JW710 | DVU2811 | | formate dehydrogenase, beta subunit, putative (TIGR) | insig. | 37 | 68 |
| | Desulfovibrio vulgaris Miyazaki F | DvMF_1216 | | formate dehydrogenase, beta subunit, putative (RefSeq) | insig. | 38 | 66 |
| | Desulfovibrio vulgaris Miyazaki F | DvMF_0647 | | formate dehydrogenase beta subunit (RefSeq) | insig. | 36 | 68 |
| | Desulfovibrio vulgaris Hildenborough JW710 | DVU0588 | hybA | formate dehydrogenase, beta subunit, putative (TIGR) | sig. | 35 | 76 |
| | Desulfovibrio vulgaris Miyazaki F | DvMF_0644 | | formate dehydrogenase, beta subunit, putative (RefSeq) | insig. | 40 | 57 |
| | Azospirillum brasilense Sp245 | AZOBR_RS20400 | | hydrogenase 2 protein HybA | insig. | 37 | 58 |
| | Dechlorosoma suillum PS | Dsui_3011 | | Fe-S-cluster-containing hydrogenase subunit | no data | 30 | 88 |
| | Magnetospirillum magneticum AMB-1 | AMB_RS08345 | | 4Fe-4S dicluster domain-containing protein | cofit | 40 | 52 |
| | Dickeya dianthicola ME23 | DZA65_RS14900 | | hydrogenase 2 operon protein HybA | insig. | 29 | 89 |
| | Dickeya dianthicola 67-19 | HGI48_RS14225 | | hydrogenase 2 operon protein HybA | insig. | 29 | 89 |
| | Dickeya dadantii 3937 | DDA3937_RS14250 | | hydrogenase 2 operon protein HybA | insig. | 29 | 89 |
| | Escherichia coli HS(pFamp)R (ATCC 700891) | OHPLBJKB_00703 | | Formate dehydrogenase, nitrate-inducible, iron-sulfur subunit | insig. | 30 | 92 |
| | Desulfovibrio vulgaris Hildenborough JW710 | DVU0535 | hmcB | 40.1 kd protein in hmc operon (HmcB) (voordouw) | cofit | 32 | 89 |
| | Desulfovibrio vulgaris Miyazaki F | DvMF_2597 | | 4Fe-4S ferredoxin iron-sulfur binding domain protein (RefSeq) | no data | 34 | 73 |
| | Escherichia coli BL21 | ECD_02872 | | hydrogenase 2 4Fe-4S ferredoxin-type component | insig. | 30 | 92 |
| | Escherichia fergusonii Becca | EFB2_00811 | | Formate dehydrogenase, nitrate-inducible, iron-sulfur subunit | cofit | 30 | 92 |
| | Escherichia coli ECOR27 | NOLOHH_10785 | hybA | hydrogenase 2 operon protein HybA | insig. | 30 | 92 |
| | Escherichia coli ECOR38 | HEPCGN_17870 | hybA | hydrogenase 2 operon protein HybA | insig. | 30 | 92 |
| | Escherichia coli ECRC100 | OKFHMN_19010 | hybA | hydrogenase 2 operon protein HybA | insig. | 30 | 92 |
| | Escherichia coli ECRC101 | MCAODC_09525 | hybA | hydrogenase 2 operon protein HybA | insig. | 30 | 92 |
| | Escherichia coli ECRC102 | NIAGMN_16775 | hybA | hydrogenase 2 operon protein HybA | insig. | 30 | 92 |
| | Escherichia coli ECRC62 | BNILDI_00730 | hybA | hydrogenase 2 operon protein HybA | insig. | 30 | 92 |
| | Escherichia coli ECRC98 | JDDGAC_22645 | hybA | hydrogenase 2 operon protein HybA | insig. | 30 | 92 |
| | Escherichia coli ECRC99 | KEDOAH_09135 | hybA | hydrogenase 2 operon protein HybA | no data | 30 | 92 |
| | Escherichia coli Nissle 1917 | ECOLIN_RS17260 | | hydrogenase 2 operon protein HybA | insig. | 30 | 92 |
| | Escherichia coli BW25113 | b2996 | hybA | hydrogenase 2 4Fe-4S ferredoxin-type component (NCBI) | sig. | 30 | 92 |
| | Desulfovibrio vulgaris Miyazaki F | DvMF_1611 | | dimethylsulfoxide reductase, chain B (RefSeq) | sig. | 37 | 55 |
| | Escherichia coli ECRC100 | OKFHMN_21690 | dmsB | dimethylsulfoxide reductase subunit B | insig. | 37 | 55 |