| Orth | Species | Gene | Name | Description | Fitness | %Id | Cov |
| | Methanococcus maripaludis S2 | MMP_RS08365 | | energy conserving hydrogenase EhbF | strong | 100 | 100 |
| o | Methanococcus maripaludis JJ | MMJJ_RS06005 | | energy conserving hydrogenase EhbF | strong | 99 | 100 |
| | Vibrio cholerae E7946 ATCC 55056 | CSW01_14775 | | Na+/H+ antiporter subunit D | insig. | 31 | 83 |
| o | Kangiella aquimarina DSM 16071 | B158DRAFT_2201 | | multisubunit sodium/proton antiporter, MrpD subunit (TC 2.A.63.1) | strong | 28 | 99 |
| | Sinorhizobium meliloti 1021 | SMa1538 | | monovalent cation/H+ antiporter subunit D | insig. | 30 | 87 |
| | Desulfovibrio vulgaris Miyazaki F | DvMF_3194 | | NADH dehydrogenase (quinone) (RefSeq) | strong | 28 | 90 |
| | Dinoroseobacter shibae DFL-12 | Dshi_0731 | | NADH dehydrogenase (quinone) (RefSeq) | strong | 30 | 76 |
| | Marinobacter adhaerens HP15 | HP15_2590 | | monovalent cation/H+ antiporter subunit D | sig. | 28 | 68 |
| | Pseudomonas stutzeri RCH2 | Psest_4369 | | Formate hydrogenlyase subunit 3/Multisubunit Na+/H+ antiporter, MnhD subunit | insig. | 28 | 83 |
| | Desulfovibrio vulgaris Miyazaki F | DvMF_1603 | | putative monovalent cation/H+ antiporter subunit D (RefSeq) | strong | 29 | 72 |
| | Agrobacterium fabrum C58 | Atu0912 | | Na+/H+ antiporter | insig. | 29 | 76 |
| | Desulfovibrio vulgaris Hildenborough JW710 | DVU2286 | | hydrogenase, CooM subunit, putative (TIGR) | strong | 29 | 79 |
| | Methylophilus sp. DMC18 | GFF953 | | NADH-quinone oxidoreductase subunit N | no data | 27 | 76 |
| | Pontibacter actiniarum KMM 6156, DSM 19842 | CA264_06320 | | Na+/H+ antiporter subunit D | cofit | 31 | 65 |
| | Rhodospirillum rubrum S1H | Rru_A0320 | | NADH dehydrogenase (quinone) (NCBI) | insig. | 29 | 67 |
| | Rhodanobacter sp. FW510-T8 | OKGIIK_05830 | nuoN | NADH-quinone oxidoreductase subunit NuoN | no data | 29 | 76 |
| | Desulfovibrio vulgaris Miyazaki F | DvMF_3194 | | NADH dehydrogenase (quinone) (RefSeq) | strong | 29 | 78 |
| | Rhodospirillum rubrum S1H | Rru_A1632 | | NADH dehydrogenase (quinone) (NCBI) | cofit | 28 | 72 |
| | Rhodanobacter denitrificans FW104-10B01 | LRK54_RS01065 | | NADH-quinone oxidoreductase subunit NuoN | no data | 29 | 76 |
| | Kangiella aquimarina DSM 16071 | B158DRAFT_2204 | | multisubunit sodium/proton antiporter, MrpD subunit (TC 2.A.63.1) | strong | 26 | 73 |
| | Kangiella aquimarina DSM 16071 | B158DRAFT_0114 | | NADH dehydrogenase subunit N (EC 1.6.5.3) | strong | 30 | 65 |
| | Xanthomonas campestris pv. campestris strain 8004 | Xcc-8004.1996.1 | | NADH-ubiquinone oxidoreductase chain N (EC 1.6.5.3) | no data | 29 | 71 |
| | Rhodanobacter denitrificans MT42 | LRK55_RS00840 | | NADH-quinone oxidoreductase subunit NuoN | no data | 29 | 75 |
| | Dyella japonica UNC79MFTsu3.2 | ABZR86_RS06050 | | NADH-quinone oxidoreductase subunit NuoN | no data | 28 | 74 |
| | Rhodanobacter sp000427505 FW510-R12 | LRK53_RS09000 | | NADH-quinone oxidoreductase subunit NuoN | no data | 29 | 60 |
| | Magnetospirillum magneticum AMB-1 | AMB_RS01070 | | hydrogenase 4 subunit B | cofit | 28 | 78 |
| | Rhodospirillum rubrum S1H | Rru_A1420 | | NADH dehydrogenase (quinone) (NCBI) | insig. | 27 | 77 |
| o | Mucilaginibacter yixingensis YX-36 DSM 26809 | ABZR88_RS17105 | | NADH-quinone oxidoreductase subunit N | no data | 26 | 81 |
| | Azospirillum sp. SherDot2 | MPMX19_03515 | | Hydrogenase-4 component B | insig. | 30 | 65 |
| | Rhodospirillum rubrum S1H | Rru_A1635 | | NADH dehydrogenase (quinone) (NCBI) | cofit | 29 | 65 |
| | Desulfovibrio vulgaris Hildenborough JW710 | DVU2286 | | hydrogenase, CooM subunit, putative (TIGR) | strong | 28 | 75 |
| | Lysobacter sp. OAE881 | ABIE51_RS09895 | | monovalent cation/H+ antiporter subunit A | insig. | 26 | 90 |
| o | Bacteroides thetaiotaomicron VPI-5482 | BT4058 | | NADH dehydrogenase I, chain N (NCBI ptt file) | strong | 26 | 82 |
| | Rhodospirillum rubrum S1H | Rru_A1420 | | NADH dehydrogenase (quinone) (NCBI) | insig. | 29 | 76 |
| | Rhodanobacter denitrificans MT42 | LRK55_RS17530 | | hydrogenase 4 subunit B | cofit | 30 | 78 |
| | Pseudomonas lactucae CFBP13502 | GEMAOFIL_03684 | | NAD(P)H-quinone oxidoreductase subunit 2, chloroplastic | insig. | 29 | 75 |
| | Xanthobacter sp. DMC5 | GFF2057 | | Hydrogenase-4 component B | insig. | 26 | 75 |
| o | Bacteroides ovatus ATCC 8483 | BACOVA_04853 | | proton-translocating NADH-quinone oxidoreductase, chain N | cofit | 25 | 82 |
| | Rhodanobacter denitrificans FW104-10B01 | LRK54_RS17305 | | hydrogenase 4 subunit B | strong | 30 | 78 |
| | Rhodanobacter sp. FW510-T8 | OKGIIK_07585 | hyfB | hydrogenase 4 subunit B | insig. | 29 | 78 |
| | Pseudomonas simiae WCS417 | PS417_16830 | | monovalent cation/H+ antiporter subunit A | strong | 29 | 75 |
| | Rhodospirillum rubrum S1H | Rru_A0315 | | NADH dehydrogenase (quinone) (NCBI) | insig. | 29 | 75 |
| | Pseudomonas aeruginosa MRSN321 | DY961_RS07185 | | monovalent cation/H+ antiporter subunit A | strong | 27 | 77 |
| | Pseudomonas stutzeri RCH2 | Psest_2849 | | Formate hydrogenlyase subunit 3/Multisubunit Na+/H+ antiporter, MnhD subunit | strong | 27 | 89 |
| | Dickeya dianthicola ME23 | DZA65_RS07855 | | hydrogenase 4 subunit B | insig. | 26 | 64 |
| | Agrobacterium fabrum C58 | Atu1283 | | NADH ubiquinone oxidoreductase chain N | no data | 27 | 78 |
| | Dickeya dianthicola 67-19 | HGI48_RS07345 | | hydrogenase 4 subunit B | insig. | 24 | 76 |
| | Rhodanobacter denitrificans FW104-10B01 | LRK54_RS07595 | | monovalent cation/H+ antiporter subunit A | strong | 27 | 75 |
| | Pseudomonas aeruginosa PA14 | IKLFDK_04830 | | monovalent cation/H+ antiporter subunit A | strong | 27 | 77 |
| | Pseudomonas aeruginosa PUPa3 | DQ20_RS45600 | | monovalent cation/H+ antiporter subunit A | strong | 27 | 77 |
| | Dickeya dadantii 3937 | DDA3937_RS07470 | | hydrogenase 4 subunit B | insig. | 26 | 64 |
| | Brevundimonas sp. GW460-12-10-14-LB2 | A4249_RS06340 | | NADH-quinone oxidoreductase subunit NuoN | no data | 30 | 74 |
| | Herbaspirillum seropedicae SmR1 | HSERO_RS08885 | | NADH:ubiquinone oxidoreductase subunit N | no data | 28 | 76 |
| | Pseudomonas orientalis W4I3 | QF045_RS18565 | | monovalent cation/H+ antiporter subunit A | insig. | 28 | 75 |
| | Lysobacter sp. OAE881 | ABIE51_RS08375 | | NADH-quinone oxidoreductase subunit NuoN | no data | 28 | 84 |
| | Cupriavidus basilensis FW507-4G11 | RR42_RS05575 | | NADH:ubiquinone oxidoreductase subunit N | no data | 28 | 67 |
| | Mycobacterium tuberculosis H37Rv | Rv3158 | | Probable NADH dehydrogenase I (chain N) NuoN (NADH-ubiquinone oxidoreductase chain N) | strong | 25 | 73 |
| | Marinobacter adhaerens HP15 | HP15_2581 | | monovalent cation/H+ antiporter subunit A | strong | 26 | 77 |
| | Pseudomonas sp. DMC3 | GFF1738 | | NAD(P)H-quinone oxidoreductase subunit 2, chloroplastic | cofit | 26 | 75 |
| | Burkholderia phytofirmans PsJN | BPHYT_RS06690 | | NADH:ubiquinone oxidoreductase subunit N | no data | 25 | 71 |
| | Pseudomonas sp. RS175 | PFR28_02402 | | NAD(P)H-quinone oxidoreductase subunit 2, chloroplastic | insig. | 28 | 75 |
| | Acinetobacter baumannii LAC-4 | RR41_RS17265 | | monovalent cation/H+ antiporter subunit A | no data | 28 | 80 |
| | Rhodanobacter sp000427505 FW510-R12 | LRK53_RS11710 | | hydrogenase 4 subunit B | insig. | 30 | 78 |
| | Azospirillum sp. SherDot2 | MPMX19_01733 | | NADH-quinone oxidoreductase subunit N | no data | 27 | 67 |
| | Agrobacterium fabrum C58 | Atu8131 | | pH adaption potassium efflux system protein | strong | 27 | 78 |
| | Phaeobacter inhibens DSM 17395 | PGA1_c12270 | | monovalent cation/proton antiporter subunit A/B | no data | 27 | 63 |
| | Escherichia coli ECRC62 | BNILDI_12365 | hyfB | hydrogenase 4 subunit B | insig. | 25 | 73 |
| | Rhodanobacter denitrificans MT42 | LRK55_RS07335 | | monovalent cation/H+ antiporter subunit A | cofit | 28 | 75 |
| | Phaeobacter inhibens DSM 17395 | PGA1_c12250 | | monovalent cation/proton antiporter subunit D | no data | 26 | 73 |
| | Escherichia coli ECOR27 | NOLOHH_13555 | hyfB | hydrogenase 4 subunit B | insig. | 25 | 73 |
| | Escherichia coli BW25113 | b2482 | hyfB | NADH dehydrogenase subunit N (NCBI) | insig. | 25 | 73 |
| | Xanthobacter sp. DMC5 | GFF1222 | | Na(+)/H(+) antiporter subunit A | insig. | 29 | 71 |
| | Pseudomonas fluorescens FW300-N2C3 | AO356_23280 | | cation:proton antiporter | insig. | 27 | 75 |
| | Dinoroseobacter shibae DFL-12 | Dshi_1328 | | proton-translocating NADH-quinone oxidoreductase, chain M (RefSeq) | no data | 27 | 98 |
| | Escherichia coli ECRC100 | OKFHMN_21895 | hyfB | hydrogenase 4 subunit B | cofit | 25 | 73 |
| | Escherichia coli ECRC101 | MCAODC_12425 | hyfB | hydrogenase 4 subunit B | insig. | 25 | 73 |
| | Escherichia coli ECRC102 | NIAGMN_19665 | hyfB | hydrogenase 4 subunit B | insig. | 25 | 73 |
| | Escherichia coli ECRC98 | JDDGAC_25840 | hyfB | hydrogenase 4 subunit B | insig. | 25 | 73 |
| | Escherichia coli ECRC99 | KEDOAH_06325 | hyfB | hydrogenase 4 subunit B | no data | 25 | 73 |
| | Bacteroides thetaiotaomicron VPI-5482 | BT4060 | | NADH dehydrogenase I, chain L (NCBI ptt file) | strong | 26 | 88 |
| | Escherichia coli BL21 | ECD_02374 | | hydrogenase 4, membrane subunit | insig. | 25 | 73 |
| | Lysobacter sp. OAE881 | ABIE51_RS10120 | | proton-conducting transporter membrane subunit | insig. | 28 | 75 |
| | Azospirillum brasilense Sp245 | AZOBR_RS07230 | | NADH:ubiquinone oxidoreductase subunit N | no data | 27 | 73 |
| | Paraburkholderia graminis OAS925 | ABIE53_001603 | | NADH-quinone oxidoreductase subunit N | no data | 26 | 71 |
| | Pseudomonas stutzeri RCH2 | Psest_2851 | | NADH:ubiquinone oxidoreductase subunit 5 (chain L)/Multisubunit Na+/H+ antiporter, MnhA subunit | strong | 26 | 77 |
| | Paraburkholderia bryophila 376MFSha3.1 | H281DRAFT_04580 | | NADH dehydrogenase subunit N | no data | 26 | 77 |
| | Sphingobium sp. HT1-2 | GFF2106 | | NADH-ubiquinone oxidoreductase chain N (EC 1.6.5.3) | no data | 28 | 66 |
| | Sinorhizobium meliloti 1021 | SMa1535 | | NuoN2 NADH I chain N | insig. | 25 | 71 |
| | Pseudomonas fluorescens FW300-N1B4 | Pf1N1B4_5822 | | Na(+) H(+) antiporter subunit A / Na(+) H(+) antiporter subunit B | strong | 27 | 75 |
| | Pseudomonas segetis P6 | ACVTMO_RS17270 | | monovalent cation/H+ antiporter subunit A | cofit | 36 | 39 |
| | Escherichia coli ECRC99 | KEDOAH_06345 | hyfF | hydrogenase 4 subunit F | no data | 28 | 58 |
| | Sinorhizobium meliloti 1021 | SMc01927 | | NADH dehydrogenase subunit N | no data | 25 | 78 |
| | Pseudomonas fluorescens FW300-N2E2 | Pf6N2E2_538 | | Na(+) H(+) antiporter subunit A; Na(+) H(+) antiporter subunit B | insig. | 31 | 51 |
| | Rhodanobacter denitrificans MT42 | LRK55_RS17195 | | proton-conducting transporter membrane subunit | insig. | 27 | 65 |
| | Rhodanobacter denitrificans FW104-10B01 | LRK54_RS17720 | | NADH dehydrogenase | insig. | 27 | 65 |
| | Dinoroseobacter shibae DFL-12 | Dshi_3805 | | NADH dehydrogenase (quinone) (RefSeq) | no data | 25 | 69 |
| o | Pedobacter sp. GW460-11-11-14-LB5 | CA265_RS23600 | | NADH-quinone oxidoreductase subunit N | no data | 25 | 81 |
| | Escherichia coli BL21 | ECD_02376 | | hydrogenase 4, membrane subunit | insig. | 28 | 72 |
| | Escherichia coli BW25113 | b2484 | hyfD | hydrogenase 4 membrane subunit (NCBI) | insig. | 28 | 72 |
| | Brevundimonas sp. GW460-12-10-14-LB2 | A4249_RS08480 | | monovalent cation/H+ antiporter subunit A | insig. | 28 | 83 |