| Orth | Species | Gene | Name | Description | Fitness | %Id | Cov |
| | Methanococcus maripaludis S2 | MMP_RS04260 | | coenzyme F420 hydrogenase subunit gamma | insig. | 100 | 100 |
| o | Methanococcus maripaludis JJ | MMJJ_RS00890 | | coenzyme F420 hydrogenase subunit gamma | insig. | 98 | 100 |
| | Methanococcus maripaludis JJ | MMJJ_RS07225 | | coenzyme F420 hydrogenase subunit gamma | strong | 61 | 100 |
| | Methanococcus maripaludis S2 | MMP_RS07130 | | coenzyme F420 hydrogenase subunit gamma | strong | 60 | 100 |
| | Methanococcus maripaludis JJ | MMJJ_RS05630 | | F420-non-reducing hydrogenase subunit | no data | 36 | 64 |
| | Methanococcus maripaludis S2 | MMP_RS08730 | | F420-non-reducing hydrogenase subunit | no data | 36 | 64 |
| | Methanococcus maripaludis JJ | MMJJ_RS00870 | | F420-nonreducing hydrogenase | insig. | 33 | 65 |
| | Methanococcus maripaludis S2 | MMP_RS04280 | | coenzyme F420-non-reducing hydrogenase subunit gamma | sig. | 33 | 65 |
| | Magnetospirillum magneticum AMB-1 | AMB_RS17175 | | NADP oxidoreductase | insig. | 28 | 64 |
| | Synechocystis sp000284455 PCC 6803 | SGL_RS09740 | | oxidoreductase | no data | 27 | 71 |
| | Dechlorosoma suillum PS | Dsui_3028 | | coenzyme F420-reducing hydrogenase, gamma subunit | insig. | 30 | 67 |
| | Synechococcus elongatus PCC 7942 | Synpcc7942_2556 | hoxY | NAD-reducing hydrogenase HoxS delta subunit | insig. | 25 | 64 |
| | Desulfovibrio vulgaris Hildenborough JW710 | DVU0432 | | Ech hydrogenase, subunit EchC, putative (TIGR) | sig. | 33 | 39 |
| | Sphingobium sp. HT1-2 | GFF2118 | | NADH-ubiquinone oxidoreductase chain B (EC 1.6.5.3) | no data | 28 | 39 |
| | Desulfovibrio vulgaris Miyazaki F | DvMF_1520 | | NADH ubiquinone oxidoreductase 20 kDa subunit (RefSeq) | no data | 32 | 39 |
| | Methanococcus maripaludis JJ | MMJJ_RS06845 | | NADH-quinone oxidoreductase subunit B family protein | no data | 34 | 38 |
| | Methanococcus maripaludis S2 | MMP_RS07515 | | NADH-quinone oxidoreductase subunit B family protein | no data | 34 | 38 |
| | Rhodospirillum rubrum S1H | Rru_A1422 | | NADH ubiquinone oxidoreductase, 20 kDa subunit (NCBI) | insig. | 33 | 39 |
| | Methanococcus maripaludis JJ | MMJJ_RS06035 | | NADH-quinone oxidoreductase subunit B family protein | strong | 35 | 39 |
| | Desulfovibrio vulgaris Miyazaki F | DvMF_3192 | | NADH ubiquinone oxidoreductase 20 kDa subunit (RefSeq) | no data | 32 | 42 |
| | Methanococcus maripaludis S2 | MMP_RS08335 | | NADH-quinone oxidoreductase subunit B family protein | strong | 35 | 39 |
| | Castellaniella sp019104865 MT123 | ABCV34_RS08745 | | NADH-quinone oxidoreductase subunit B | no data | 25 | 44 |
| | Pontibacter actiniarum KMM 6156, DSM 19842 | CA264_14205 | | NADH-quinone oxidoreductase subunit B | no data | 31 | 38 |
| | Mucilaginibacter yixingensis YX-36 DSM 26809 | ABZR88_RS17170 | | NADH-quinone oxidoreductase subunit B | no data | 30 | 36 |
| | Cupriavidus basilensis FW507-4G11 | RR42_RS05515 | | NADH-quinone oxidoreductase subunit B | no data | 24 | 44 |
| | Pedobacter sp. GW460-11-11-14-LB5 | CA265_RS23535 | | NADH dehydrogenase | no data | 30 | 36 |
| | Desulfovibrio vulgaris Hildenborough JW710 | DVU1917 | hysB | periplasmic [NiFeSe] hydrogenase, small subunit (TIGR) | strong | 25 | 63 |
| | Sphingomonas koreensis DSMZ 15582 | Ga0059261_0711 | | NADH-quinone oxidoreductase, B subunit | no data | 26 | 39 |
| | Acidovorax sp. GW101-3H11 | Ac3H11_1451 | | NADH-ubiquinone oxidoreductase chain B (EC 1.6.5.3) | no data | 24 | 50 |
| | Synechocystis sp000284455 PCC 6803 | SGL_RS10730 | | photosynthetic/respiratory NAD(P)H-quinone oxidoreductase subunit K | no data | 27 | 40 |
| | Burkholderia phytofirmans PsJN | BPHYT_RS06630 | | NADH-quinone oxidoreductase subunit B | no data | 25 | 38 |
| | Paraburkholderia bryophila 376MFSha3.1 | H281DRAFT_04568 | | NADH dehydrogenase subunit B | no data | 25 | 38 |
| | Paraburkholderia graminis OAS925 | ABIE53_001591 | | NADH-quinone oxidoreductase subunit B | no data | 25 | 38 |
| | Paraburkholderia sabiae LMG 24235 | QEN71_RS24145 | | NADH-quinone oxidoreductase subunit B | no data | 25 | 38 |
| | Kangiella aquimarina DSM 16071 | B158DRAFT_0126 | | NADH-quinone oxidoreductase, B subunit | strong | 27 | 42 |
| | Hydrogenophaga sp. GW460-11-11-14-LB1 | GFF3682 | | NADH-ubiquinone oxidoreductase chain B (EC 1.6.5.3) | strong | 24 | 50 |
| | Desulfovibrio vulgaris Hildenborough JW710 | DVU2288 | | hydrogenase, CooL subunit, putative (TIGR) | no data | 29 | 42 |
| | Synechococcus elongatus PCC 7942 | Synpcc7942_1181 | ndhK | NADH dehydrogenase subunit B | no data | 27 | 40 |
| | Ralstonia solanacearum IBSBF1503 | RALBFv3_RS02970 | | NADH-quinone oxidoreductase subunit B | no data | 24 | 40 |
| | Ralstonia solanacearum GMI1000 | RS_RS10340 | | NADH-quinone oxidoreductase subunit B | no data | 24 | 40 |
| | Ralstonia solanacearum PSI07 | RPSI07_RS14340 | | NADH dehydrogenase subunit B | no data | 24 | 40 |
| | Ralstonia solanacearum UW163 | UW163_RS10755 | | NADH-quinone oxidoreductase subunit B | no data | 24 | 40 |
| | Ralstonia sp. UNC404CL21Col | ABZR87_RS14875 | | NADH-quinone oxidoreductase subunit B family protein | no data | 24 | 38 |
| | Rhodospirillum rubrum S1H | Rru_A0321 | | NADH dehydrogenase (ubiquinone), 20 kDa subunit (NCBI) | insig. | 29 | 39 |
| | Dechlorosoma suillum PS | Dsui_2227 | | NADH-quinone oxidoreductase, B subunit | no data | 24 | 48 |
| | Lysobacter sp. OAE881 | ABIE51_RS08315 | | NADH-quinone oxidoreductase subunit B | no data | 25 | 43 |
| | Dyella japonica UNC79MFTsu3.2 | ABZR86_RS06110 | | NADH-quinone oxidoreductase subunit B family protein | no data | 24 | 43 |
| | Xanthomonas campestris pv. campestris strain 8004 | Xcc-8004.1984.1 | | NADH-ubiquinone oxidoreductase chain B (EC 1.6.5.3) | no data | 24 | 43 |
| | Variovorax sp. OAS795 | ABID97_RS20490 | | NADH-quinone oxidoreductase subunit B | no data | 24 | 38 |
| | Variovorax sp. SCN45 | GFF4751 | | NADH-ubiquinone oxidoreductase chain B (EC 1.6.5.3) | no data | 24 | 38 |
| | Mycobacterium tuberculosis H37Rv | Rv3146 | | Probable NADH dehydrogenase I (chain B) NuoB (NADH-ubiquinone oxidoreductase chain B) | strong | 29 | 38 |
| | Herbaspirillum seropedicae SmR1 | HSERO_RS08825 | | NADH dehydrogenase subunit B | no data | 23 | 41 |
| | Methanococcus maripaludis JJ | MMJJ_RS02890 | | ATP-binding protein | insig. | 32 | 24 |
| | Methanococcus maripaludis S2 | MMP_RS02385 | | ATP-binding protein | insig. | 32 | 24 |
| | Shewanella loihica PV-4 | Shew_1765 | | hydrogenase (NiFe) small subunit HydA (RefSeq) | insig. | 29 | 60 |
| | Rhodanobacter denitrificans MT42 | LRK55_RS00900 | | NADH-quinone oxidoreductase subunit B | no data | 24 | 43 |
| | Rhodanobacter denitrificans FW104-10B01 | LRK54_RS01125 | | NADH-quinone oxidoreductase subunit B | no data | 24 | 43 |
| | Rhodanobacter sp000427505 FW510-R12 | LRK53_RS08940 | | NADH-quinone oxidoreductase subunit B | no data | 24 | 43 |
| | Rhodanobacter sp. FW510-T8 | OKGIIK_05770 | nuoB | NADH-quinone oxidoreductase subunit B | no data | 24 | 43 |
| | Acinetobacter baumannii LAC-4 | RR41_RS15505 | | NADH-quinone oxidoreductase subunit B | no data | 27 | 39 |
| | Sinorhizobium meliloti 1021 | SMa1532 | | NADH dehydrogenase subunit B | insig. | 30 | 39 |
| | Magnetospirillum magneticum AMB-1 | AMB_RS01045 | | NADH-quinone oxidoreductase subunit NuoB | insig. | 29 | 39 |
| | Shewanella oneidensis MR-1 | SO2099 | hoxK | quinone-reactive Ni/Fe hydrogenase, small subunit precursor (NCBI ptt file) | sig. | 28 | 60 |
| | Azospirillum brasilense Sp245 | AZOBR_RS07170 | | NADH dehydrogenase | no data | 24 | 50 |
| | Bacteroides thetaiotaomicron VPI-5482 | BT0125 | | NADH:ubiquinone oxidoreductase subunit (NCBI ptt file) | sig. | 32 | 48 |
| | Shewanella amazonensis SB2B | Sama_1679 | | hydrogen:quinone oxidoreductase (RefSeq) | sig. | 28 | 60 |
| | Desulfovibrio vulgaris Miyazaki F | DvMF_0274 | | hydrogenase (NiFe) small subunit HydA (RefSeq) | cofit | 27 | 63 |
| | Synechocystis sp000284455 PCC 6803 | SGL_RS01280 | | NADH-quinone oxidoreductase subunit NuoB | insig. | 25 | 40 |
| | Brevundimonas sp. GW460-12-10-14-LB2 | A4249_RS06415 | | NADH-quinone oxidoreductase subunit B | no data | 25 | 38 |
| | Xanthobacter sp. DMC5 | GFF1249 | | NADH-quinone oxidoreductase subunit B | no data | 24 | 39 |
| | Rhodopseudomonas palustris CGA009 | TX73_022085 | | NADH-quinone oxidoreductase subunit B | strong | 29 | 39 |
| | Shewanella sp. ANA-3 | Shewana3_1880 | | hydrogenase (NiFe) small subunit HydA (RefSeq) | insig. | 28 | 60 |
| | Phaeobacter inhibens DSM 17395 | PGA1_c10380 | | NADH-quinone oxidoreductase subunit B | no data | 24 | 39 |
| | Magnetospirillum magneticum AMB-1 | AMB_RS14005 | | NADH-quinone oxidoreductase subunit NuoB | no data | 23 | 43 |
| | Rhodanobacter sp. FW510-T8 | OKGIIK_07610 | hycG | formate hydrogenlyase | insig. | 30 | 38 |
| | Rhodanobacter sp000427505 FW510-R12 | LRK53_RS11735 | | NADH-quinone oxidoreductase subunit NuoB | insig. | 29 | 38 |
| | Dechlorosoma suillum PS | Dsui_3049 | | NADH-quinone oxidoreductase, B subunit | no data | 23 | 38 |
| | Rhodospirillum rubrum S1H | Rru_A1556 | | NADH dehydrogenase (ubiquinone), 20 kDa subunit (NCBI) | no data | 22 | 40 |
| | Parabacteroides merdae CL09T00C40 | HMPREF1078_RS02350 | | [Fe-Fe] hydrogenase large subunit C-terminal domain-containing protein | insig. | 41 | 19 |
| | Azospirillum brasilense Sp245 | AZOBR_RS14505 | | hydrogenase | insig. | 32 | 33 |
| | Phocaeicola dorei CL03T12C01 | ABI39_RS08535 | | NADH-quinone oxidoreductase subunit B | insig. | 25 | 38 |
| | Phocaeicola vulgatus CL09T03C04 | HMPREF1058_RS13330 | | NADH-quinone oxidoreductase subunit B | sig. | 25 | 38 |
| | Dinoroseobacter shibae DFL-12 | Dshi_1308 | | NADH-quinone oxidoreductase, B subunit (RefSeq) | no data | 24 | 37 |
| | Sinorhizobium meliloti 1021 | SMc01913 | | NADH dehydrogenase subunit B | no data | 24 | 37 |
| | Methanococcus maripaludis JJ | MMJJ_RS05035 | | 4Fe-4S binding protein | sig. | 43 | 19 |
| | Methanococcus maripaludis S2 | MMP_RS00450 | | 4Fe-4S binding protein | strong | 43 | 19 |
| | Rhodopseudomonas palustris CGA009 | TX73_015290 | | NADH-quinone oxidoreductase subunit B | no data | 22 | 39 |
| | Desulfovibrio vulgaris Miyazaki F | DvMF_1594 | | NADH-quinone oxidoreductase, B subunit (RefSeq) | insig. | 28 | 38 |
| | Enterobacter asburiae PDN3 | EX28DRAFT_0322 | | NADH-quinone oxidoreductase, B subunit | strong | 27 | 39 |
| | Enterobacter sp. TBS_079 | MPMX20_03217 | | NADH-quinone oxidoreductase subunit B | strong | 27 | 39 |
| | Klebsiella michiganensis M5al | BWI76_RS20185 | | NADH-quinone oxidoreductase subunit B | no data | 27 | 39 |
| | Klebsiella pneumoniae MKP103 | KDGMDA_27065 | | NADH-quinone oxidoreductase subunit NuoB | strong | 27 | 39 |
| | Rhizobium sp. OAE497 | ABIE40_RS07180 | | NADH-quinone oxidoreductase subunit B | no data | 23 | 37 |
| | Escherichia coli BL21 | ECD_02212 | | NADH:ubiquinone oxidoreductase, chain B | strong | 27 | 39 |
| | Escherichia fergusonii Becca | EFB2_01572 | | NADH-quinone oxidoreductase subunit B | insig. | 27 | 39 |
| | Escherichia coli ECOR27 | NOLOHH_14465 | nuoB | NADH-quinone oxidoreductase subunit NuoB | strong | 27 | 39 |
| | Escherichia coli ECOR38 | HEPCGN_22050 | nuoB | NADH-quinone oxidoreductase subunit NuoB | strong | 27 | 39 |
| | Escherichia coli ECRC100 | OKFHMN_22845 | nuoB | NADH-quinone oxidoreductase subunit NuoB | strong | 27 | 39 |
| | Escherichia coli ECRC101 | MCAODC_13885 | nuoB | NADH-quinone oxidoreductase subunit NuoB | strong | 27 | 39 |
| | Escherichia coli ECRC102 | NIAGMN_20615 | nuoB | NADH-quinone oxidoreductase subunit NuoB | strong | 27 | 39 |