| Orth | Species | Gene | Name | Description | Fitness | %Id | Cov |
| | Methanococcus maripaludis JJ | MMJJ_RS06630 | | 4Fe-4S dicluster domain-containing protein | strong | 100 | 100 |
| o | Methanococcus maripaludis S2 | MMP_RS07725 | | 4Fe-4S dicluster domain-containing protein | strong | 99 | 100 |
| | Dickeya dianthicola 67-19 | HGI48_RS21620 | | formate-dependent uric acid utilization protein AegA | insig. | 50 | 54 |
| | Dickeya dianthicola ME23 | DZA65_RS22605 | | formate-dependent uric acid utilization protein AegA | insig. | 50 | 54 |
| | Dickeya dadantii 3937 | DDA3937_RS21410 | | formate-dependent uric acid utilization protein AegA | insig. | 50 | 54 |
| | Methanococcus maripaludis JJ | MMJJ_RS00065 | | 4Fe-4S dicluster domain-containing protein | strong | 41 | 77 |
| | Escherichia coli ECOR38 | HEPCGN_21070 | hyfA | hydrogenase 4 subunit HyfA | insig. | 35 | 74 |
| | Escherichia coli BW25113 | b2481 | hyfA | hydrogenase 4 Fe-S subunit (VIMSS) | insig. | 35 | 74 |
| | Escherichia coli BL21 | ECD_02373 | | hydrogenase 4, 4Fe-4S subunit | insig. | 35 | 74 |
| | Escherichia coli ECRC100 | OKFHMN_21900 | hyfA | hydrogenase 4 subunit HyfA | sig. | 35 | 74 |
| | Escherichia coli ECRC101 | MCAODC_12430 | hyfA | hydrogenase 4 subunit HyfA | insig. | 35 | 74 |
| | Escherichia coli ECRC102 | NIAGMN_19670 | hyfA | hydrogenase 4 subunit HyfA | insig. | 35 | 74 |
| | Escherichia coli ECRC98 | JDDGAC_25845 | hyfA | hydrogenase 4 subunit HyfA | insig. | 35 | 74 |
| | Escherichia coli ECRC99 | KEDOAH_06320 | hyfA | hydrogenase 4 subunit HyfA | no data | 35 | 74 |
| | Escherichia coli ECRC62 | BNILDI_12370 | hyfA | hydrogenase 4 subunit HyfA | insig. | 34 | 74 |
| | Escherichia coli ECOR27 | NOLOHH_13560 | hyfA | hydrogenase 4 subunit HyfA | insig. | 35 | 74 |
| | Escherichia coli HS(pFamp)R (ATCC 700891) | OHPLBJKB_01248 | | Hydrogenase-4 component A | insig. | 35 | 74 |
| | Pectobacterium carotovorum WPP14 | HER17_RS21755 | | formate-dependent uric acid utilization protein AegA | cofit | 44 | 55 |
| | Methanococcus maripaludis S2 | MMP_RS05070 | | 4Fe-4S dicluster domain-containing protein | strong | 39 | 77 |
| | Escherichia coli BL21 | ECD_02359 | | putative oxidoreductase, FeS binding subunit/NAD/FAD-binding subunit | insig. | 36 | 74 |
| | Escherichia coli ECOR27 | NOLOHH_13660 | aegA | formate-dependent uric acid utilization protein AegA | insig. | 36 | 74 |
| | Escherichia coli ECOR38 | HEPCGN_21150 | aegA | formate-dependent uric acid utilization protein AegA | insig. | 36 | 74 |
| | Escherichia coli ECRC100 | OKFHMN_21980 | aegA | formate-dependent uric acid utilization protein AegA | cofit | 36 | 74 |
| | Escherichia coli ECRC101 | MCAODC_12510 | aegA | formate-dependent uric acid utilization protein AegA | insig. | 36 | 74 |
| | Escherichia coli ECRC102 | NIAGMN_19750 | aegA | formate-dependent uric acid utilization protein AegA | cofit | 36 | 74 |
| | Escherichia coli ECRC62 | BNILDI_12470 | aegA | formate-dependent uric acid utilization protein AegA | cofit | 36 | 74 |
| | Escherichia coli ECRC98 | JDDGAC_25925 | aegA | formate-dependent uric acid utilization protein AegA | insig. | 36 | 74 |
| | Escherichia coli ECRC99 | KEDOAH_06240 | aegA | formate-dependent uric acid utilization protein AegA | no data | 36 | 74 |
| | Escherichia coli HS(pFamp)R (ATCC 700891) | OHPLBJKB_01263 | | Ferredoxin--NADP reductase | insig. | 36 | 74 |
| | Escherichia coli BW25113 | b2468 | aegA | fused predicted oxidoreductase: FeS binding subunit/NAD/FAD-binding subunit (NCBI) | sig. | 36 | 74 |
| | Dickeya dianthicola 67-19 | HGI48_RS07350 | | 4Fe-4S binding protein | insig. | 39 | 63 |
| | Escherichia coli ECRC100 | OKFHMN_19610 | ygfT | formate-dependent uric acid utilization protein YgfT | insig. | 40 | 59 |
| | Escherichia coli ECRC101 | MCAODC_10135 | ygfT | formate-dependent uric acid utilization protein YgfT | insig. | 40 | 59 |
| | Escherichia coli ECRC102 | NIAGMN_17380 | ygfT | formate-dependent uric acid utilization protein YgfT | insig. | 40 | 59 |
| | Escherichia coli ECRC62 | BNILDI_10065 | ygfT | formate-dependent uric acid utilization protein YgfT | insig. | 40 | 59 |
| | Escherichia coli ECRC98 | JDDGAC_23255 | ygfT | formate-dependent uric acid utilization protein YgfT | insig. | 40 | 59 |
| | Escherichia coli ECRC99 | KEDOAH_08525 | ygfT | formate-dependent uric acid utilization protein YgfT | no data | 40 | 59 |
| | Escherichia coli BW25113 | b2887 | ygfT | putative oxidoreductase, Fe-S subunit (VIMSS) | insig. | 40 | 59 |
| | Escherichia coli Nissle 1917 | ECOLIN_RS14080 | | formate-dependent uric acid utilization protein AegA | cofit | 36 | 74 |
| | Escherichia coli ECOR27 | NOLOHH_11540 | ygfT | formate-dependent uric acid utilization protein YgfT | insig. | 42 | 50 |
| | Rahnella sp. WP5 | EX31_RS07260 | | formate-dependent uric acid utilization protein AegA | insig. | 35 | 69 |
| | Escherichia coli BL21 | ECD_02719 | | putative oxidoreductase, Fe-S subunit/nucleotide-binding subunit | insig. | 40 | 59 |
| | Escherichia coli ECOR38 | HEPCGN_18900 | ygfT | formate-dependent uric acid utilization protein YgfT | insig. | 40 | 59 |
| | Escherichia coli HS(pFamp)R (ATCC 700891) | OHPLBJKB_00829 | | Ferredoxin--NADP reductase | insig. | 40 | 59 |
| | Escherichia fergusonii Becca | EFB2_01420 | | Ferredoxin--NADP reductase | insig. | 36 | 74 |
| | Dickeya dadantii 3937 | DDA3937_RS07475 | | 4Fe-4S dicluster domain-containing protein | insig. | 41 | 57 |
| | Escherichia fergusonii Becca | EFB2_01015 | | Ferredoxin--NADP reductase | insig. | 40 | 59 |
| | Escherichia coli Nissle 1917 | ECOLIN_RS16080 | | formate-dependent uric acid utilization protein YgfT | insig. | 40 | 59 |
| | Dickeya dianthicola ME23 | DZA65_RS07860 | | 4Fe-4S dicluster domain-containing protein | insig. | 41 | 57 |
| | Enterobacter asburiae PDN3 | EX28DRAFT_2815 | | Fe-S-cluster-containing hydrogenase components 2 | no data | 30 | 79 |
| | Enterobacter sp. TBS_079 | MPMX20_03609 | | Hydrogenase-4 component A | insig. | 30 | 79 |
| | Salmonella enterica subsp. enterica serovar Typhimurium str. MS1868 | GFF2190 | | Glutamate synthase [NADPH] small chain (EC 1.4.1.13) | insig. | 32 | 77 |
| | Rahnella sp. WP5 | EX31_RS19905 | | 4Fe-4S dicluster domain-containing protein | insig. | 30 | 75 |
| o | Klebsiella michiganensis M5al | BWI76_RS22335 | | 4Fe-4S ferredoxin | insig. | 28 | 92 |
| o | Klebsiella pneumoniae MKP103 | KDGMDA_03005 | | formate hydrogenlyase | insig. | 28 | 92 |
| | Klebsiella michiganensis M5al | BWI76_RS20850 | | oxidoreductase FeS-binding subunit | insig. | 34 | 71 |
| o | Desulfovibrio vulgaris Miyazaki F | DvMF_0932 | | 4Fe-4S ferredoxin iron-sulfur binding domain protein (RefSeq) | strong | 31 | 82 |
| | Escherichia fergusonii Becca | EFB2_01199 | | Hydrogenase-4 component A | insig. | 30 | 86 |
| | Salmonella enterica subsp. enterica serovar Typhimurium str. MS1868 | GFF437 | | Electron transport protein HydN | insig. | 33 | 79 |
| | Klebsiella pneumoniae MKP103 | KDGMDA_27690 | | formate-dependent uric acid utilization protein AegA | insig. | 31 | 71 |
| | Escherichia coli ECOR38 | HEPCGN_19765 | hycB | formate hydrogenlyase subunit HycB | insig. | 30 | 86 |
| | Salmonella enterica subsp. enterica serovar Typhimurium str. MS1868 | GFF4717 | | Formate hydrogenlyase subunit 2 | insig. | 30 | 86 |
| | Escherichia coli HS(pFamp)R (ATCC 700891) | OHPLBJKB_00131 | | Hydrogenase-4 component A | insig. | 39 | 61 |
| | Escherichia coli ECOR27 | NOLOHH_07850 | hycB | electron transporter | insig. | 39 | 61 |
| | Rhodospirillum rubrum S1H | Rru_A0309 | | 4Fe-4S ferredoxin, iron-sulfur binding (NCBI) | insig. | 38 | 59 |
| | Escherichia coli BL21 | ECD_02574 | | hydrogenase 3, Fe-S subunit | insig. | 30 | 86 |
| | Escherichia coli ECOR27 | NOLOHH_12420 | hycB | formate hydrogenlyase subunit HycB | insig. | 30 | 86 |
| | Escherichia coli ECRC100 | OKFHMN_20575 | hycB | formate hydrogenlyase subunit HycB | insig. | 30 | 86 |
| | Escherichia coli ECRC101 | MCAODC_11100 | hycB | formate hydrogenlyase subunit HycB | insig. | 30 | 86 |
| | Escherichia coli ECRC102 | NIAGMN_18345 | hycB | formate hydrogenlyase subunit HycB | cofit | 30 | 86 |
| | Escherichia coli ECRC62 | BNILDI_10970 | hycB | formate hydrogenlyase subunit HycB | insig. | 30 | 86 |
| | Escherichia coli ECRC98 | JDDGAC_24240 | hycB | formate hydrogenlyase subunit HycB | insig. | 30 | 86 |
| | Escherichia coli ECRC99 | KEDOAH_07560 | hycB | formate hydrogenlyase subunit HycB | no data | 30 | 86 |
| | Escherichia coli HS(pFamp)R (ATCC 700891) | OHPLBJKB_01010 | | Hydrogenase-4 component A | insig. | 30 | 86 |
| | Escherichia coli Nissle 1917 | ECOLIN_RS15220 | | formate hydrogenlyase subunit HycB | insig. | 30 | 86 |
| | Escherichia coli BW25113 | b2724 | hycB | hydrogenase 3, Fe-S subunit (NCBI) | sig. | 30 | 86 |
| | Escherichia coli ECRC100 | OKFHMN_15905 | hycB | electron transporter | cofit | 39 | 61 |
| | Escherichia coli ECRC101 | MCAODC_06420 | hycB | electron transporter | insig. | 39 | 61 |
| | Escherichia coli ECRC102 | NIAGMN_13665 | hycB | electron transporter | cofit | 39 | 61 |
| | Escherichia coli ECRC62 | BNILDI_03695 | hycB | electron transporter | insig. | 39 | 61 |
| | Escherichia coli ECRC98 | JDDGAC_19535 | hycB | electron transporter | insig. | 39 | 61 |
| | Escherichia coli ECRC99 | KEDOAH_12245 | hycB | electron transporter | no data | 39 | 61 |
| | Methanococcus maripaludis S2 | MMP_RS07720 | | 4Fe-4S binding protein | strong | 33 | 85 |
| | Enterobacter sp. TBS_079 | MPMX20_03329 | | Ferredoxin--NADP reductase | insig. | 31 | 77 |
| | Methanococcus maripaludis JJ | MMJJ_RS06635 | | 4Fe-4S binding protein | strong | 33 | 85 |
| | Escherichia coli ECOR38 | HEPCGN_14795 | hycB | electron transporter | insig. | 39 | 61 |
| | Escherichia coli Nissle 1917 | ECOLIN_RS20435 | | 4Fe-4S binding protein | insig. | 39 | 61 |
| | Escherichia fergusonii Becca | EFB2_00234 | | Hydrogenase-4 component A | insig. | 39 | 61 |
| | Escherichia coli ECOR38 | HEPCGN_06145 | dmsB | dimethylsulfoxide reductase subunit B | insig. | 35 | 71 |
| | Klebsiella michiganensis M5al | BWI76_RS27070 | | 4Fe-4S ferredoxin | insig. | 33 | 80 |
| | Escherichia coli BL21 | ECD_03425 | | putative hydrogenase, 4Fe-4S ferredoxin-type component | insig. | 39 | 61 |
| | Escherichia coli BW25113 | b3573 | yiaI | predicted hydrogenase, 4Fe-4S ferredoxin-type component (NCBI) | sig. | 39 | 61 |
| | Desulfovibrio vulgaris Miyazaki F | DvMF_3187 | | 4Fe-4S ferredoxin iron-sulfur binding domain protein (RefSeq) | no data | 36 | 53 |
| | Enterobacter asburiae PDN3 | EX28DRAFT_0193 | | glutamate synthase small subunit family protein, proteobacterial | insig. | 31 | 73 |
| | Mycobacterium tuberculosis H37Rv | Rv1162 | | Probable respiratory nitrate reductase (beta chain) NarH | insig. | 32 | 62 |
| | Shewanella loihica PV-4 | Shew_3157 | | 4Fe-4S ferredoxin iron-sulfur binding domain-containing protein (RefSeq) | insig. | 32 | 78 |
| | Rhodospirillum rubrum S1H | Rru_A1426 | | 4Fe-4S ferredoxin, iron-sulfur binding (NCBI) | no data | 36 | 54 |
| | Shewanella amazonensis SB2B | Sama_2903 | | NrfC, Fe-S-cluster-containing hydrogenase component 1 (RefSeq) | insig. | 33 | 75 |
| | Azospirillum sp. SherDot2 | MPMX19_03516 | | Hydrogenase-4 component A | no data | 32 | 68 |
| | Klebsiella michiganensis M5al | BWI76_RS17545 | | oxidoreductase, 4Fe-4S subunit | no data | 31 | 85 |