| Orth | Species | Gene | Name | Description | Fitness | %Id | Cov |
| o | Methanococcus maripaludis JJ | MMJJ_RS04925 | | cation:proton antiporter | insig. | 100 | 100 |
| | Methanococcus maripaludis S2 | MMP_RS00560 | | cation:proton antiporter | sig. | 100 | 100 |
| | Methanococcus maripaludis JJ | MMJJ_RS00650 | | cation:proton antiporter | insig. | 59 | 98 |
| | Methanococcus maripaludis S2 | MMP_RS04495 | | cation:proton antiporter | sig. | 59 | 98 |
| o | Rhodanobacter sp000427505 FW510-R12 | LRK53_RS11575 | | cation:proton antiporter | no data | 30 | 97 |
| | Dyella japonica UNC79MFTsu3.2 | ABZR86_RS01860 | | cation:proton antiporter | no data | 30 | 96 |
| o | Rhodanobacter sp. FW510-T8 | OKGIIK_07520 | kefB | cation:proton antiporter | no data | 29 | 99 |
| o | Rhodanobacter denitrificans MT42 | LRK55_RS17645 | | cation:proton antiporter | no data | 30 | 97 |
| o | Rhodanobacter denitrificans FW104-10B01 | LRK54_RS17425 | | cation:proton antiporter | no data | 30 | 97 |
| | Synechocystis sp000284455 PCC 6803 | SGL_RS14155 | | cation:proton antiporter | no data | 31 | 94 |
| o | Synechococcus elongatus PCC 7942 | Synpcc7942_2359 | nha3 | Na+/H+ antiporter | no data | 32 | 95 |
| o | Shewanella loihica PV-4 | Shew_3217 | | sodium/hydrogen exchanger (RefSeq) | insig. | 28 | 99 |
| | Bacteroides ovatus ATCC 8483 | BACOVA_04510 | | transporter, CPA2 family | insig. | 26 | 92 |
| | Bacteroides thetaiotaomicron VPI-5482 | BT1783 | | cation/H+ antiporter (NCBI ptt file) | insig. | 26 | 92 |
| | Phocaeicola dorei CL03T12C01 | ABI39_RS09600 | | cation:proton antiporter | insig. | 26 | 92 |
| | Pseudomonas sp. S08-1 | OH686_17420 | | sodium/hydrogen exchanger | insig. | 26 | 80 |
| | Pseudomonas syringae pv. syringae B728a | Psyr_5068 | | transporter, CPA2 family | insig. | 25 | 80 |
| | Pseudomonas syringae pv. syringae B728a ΔmexB | Psyr_5068 | | transporter, CPA2 family | insig. | 25 | 80 |
| | Pseudomonas sp. BP01 | JOY50_RS08720 | | cation:proton antiporter | insig. | 24 | 80 |
| | Parabacteroides merdae CL09T00C40 | HMPREF1078_RS09890 | | cation:proton antiporter | strong | 24 | 91 |
| | Pseudomonas simiae WCS417 | PS417_28255 | | potassium transporter | insig. | 24 | 80 |
| | Pseudomonas sp. DMC3 | GFF515 | | Glutathione-regulated potassium-efflux system protein KefB | cofit | 24 | 80 |
| | Pseudomonas fluorescens FW300-N2E3 | AO353_10075 | | potassium transporter | insig. | 25 | 79 |
| | Pseudomonas fluorescens SBW25 | PFLU_RS29915 | | cation:proton antiporter | insig. | 24 | 80 |
| | Pseudomonas fluorescens SBW25-INTG | PFLU_RS29915 | | cation:proton antiporter | sig. | 24 | 80 |
| | Pseudomonas fluorescens GW456-L13 | PfGW456L13_720 | | putative Glutathione-regulated potassium-efflux system protein KefB | insig. | 24 | 79 |
| | Pseudomonas sp. SVBP6 | COO64_RS01860 | | cation:proton antiporter | insig. | 24 | 80 |
| o | Pseudomonas sp. RS175 | PFR28_04568 | | Na(+)/H(+)-K(+) antiporter GerN | cofit | 27 | 93 |
| | Pseudomonas fluorescens FW300-N1B4 | Pf1N1B4_2002 | | putative Glutathione-regulated potassium-efflux system protein KefB | insig. | 24 | 80 |
| | Pseudomonas putida KT2440 | PP_5355 | | putative Sodium/proton antiporter | insig. | 23 | 80 |
| | Pseudomonas lactucae CFBP13502 | GEMAOFIL_00119 | | Glutathione-regulated potassium-efflux system protein KefB | cofit | 24 | 80 |
| | Pseudomonas aeruginosa PA14 | IKLFDK_25765 | | cation/H(+) antiporter | insig. | 24 | 80 |
| | Pseudomonas fluorescens FW300-N2C3 | AO356_11975 | | potassium transporter | insig. | 24 | 80 |
| | Pseudomonas sp. RS175 | PFR28_04526 | | Glutathione-regulated potassium-efflux system protein KefB | insig. | 24 | 80 |
| | Pseudomonas fluorescens FW300-N2E2 | Pf6N2E2_4270 | | putative Glutathione-regulated potassium-efflux system protein KefB | insig. | 24 | 80 |
| o | Xanthomonas campestris pv. campestris strain 8004 | Xcc-8004.1851.1 | | Cation:proton antiporter | insig. | 24 | 92 |
| | Herbaspirillum seropedicae SmR1 | HSERO_RS17340 | | potassium transporter | insig. | 24 | 79 |
| | Variovorax sp. SCN45 | GFF4684 | | Na+/H+ antiporter | insig. | 27 | 86 |
| | Paraburkholderia sabiae LMG 24235 | QEN71_RS03940 | | cation:proton antiporter | cofit | 24 | 79 |
| | Burkholderia phytofirmans PsJN | BPHYT_RS15050 | | potassium transporter | insig. | 24 | 79 |
| | Methanococcus maripaludis S2 | MMP_RS03090 | | cation:proton antiporter | strong | 32 | 42 |
| | Methanococcus maripaludis JJ | MMJJ_RS01980 | | cation:proton antiporter | strong | 32 | 42 |
| o | Lysobacter sp. OAE881 | ABIE51_RS12900 | | cation:proton antiporter | no data | 26 | 92 |
| | Paraburkholderia graminis OAS925 | ABIE53_003181 | | CPA2 family monovalent cation:H+ antiporter-2 | sig. | 24 | 79 |
| | Paraburkholderia bryophila 376MFSha3.1 | H281DRAFT_03955 | | transporter, CPA2 family | insig. | 24 | 79 |
| o | Kangiella aquimarina DSM 16071 | B158DRAFT_1670 | | Kef-type K+ transport systems, membrane components | insig. | 25 | 85 |
| o | Variovorax sp. OAS795 | ABID97_RS20710 | | cation:proton antiporter | no data | 25 | 85 |
| | Pontibacter actiniarum KMM 6156, DSM 19842 | CA264_05165 | | potassium transporter KefB | sig. | 24 | 90 |
| | Pedobacter sp. GW460-11-11-14-LB5 | CA265_RS16170 | | sodium:proton antiporter | insig. | 23 | 80 |
| | Synechocystis sp000284455 PCC 6803 | SGL_RS04015 | | cation:proton antiporter | insig. | 24 | 89 |
| | Pseudomonas fluorescens FW300-N2C3 | AO356_16315 | | hypothetical protein | insig. | 24 | 94 |
| | Synechococcus elongatus PCC 7942 | Synpcc7942_0546 | nha4 | Na+/H+ antiporter | strong | 22 | 94 |
| o | Brevundimonas sp. GW460-12-10-14-LB2 | A4249_RS02040 | | cation:proton antiporter | insig. | 23 | 93 |
| | Pontibacter actiniarum KMM 6156, DSM 19842 | CA264_17300 | | cation/H(+) antiporter | sig. | 24 | 80 |
| | Bacteroides thetaiotaomicron VPI-5482 | BT1101 | | putative sodium/proton antiporter (NCBI ptt file) | insig. | 24 | 80 |
| | Bacteroides ovatus ATCC 8483 | BACOVA_05380 | | TrkA C-terminal domain protein | insig. | 25 | 84 |
| | Bacteroides thetaiotaomicron VPI-5482 | BT4585 | | putative Na+/H+ anitporter (NCBI ptt file) | sig. | 24 | 84 |
| | Bacteroides ovatus ATCC 8483 | BACOVA_03471 | | universal stress family protein | strong | 26 | 79 |
| | Cupriavidus basilensis FW507-4G11 | RR42_RS04680 | | potassium transporter Kef | insig. | 24 | 68 |
| | Bacteroides ovatus ATCC 8483 | BACOVA_03049 | | transporter, CPA2 family | insig. | 24 | 80 |
| | Paraburkholderia sabiae LMG 24235 | QEN71_RS01785 | | cation:proton antiporter | insig. | 25 | 83 |
| | Parabacteroides merdae CL09T00C40 | HMPREF1078_RS08185 | | cation:proton antiporter | insig. | 24 | 80 |
| | Bacteroides stercoris CC31F | HMPREF1181_RS12990 | | cation:proton antiporter | insig. | 24 | 81 |
| | Caulobacter crescentus NA1000 | CCNA_01568 | | Kef-type K+ transport system | sig. | 26 | 85 |
| | Caulobacter crescentus NA1000 Δfur | CCNA_01568 | | Kef-type K+ transport system | cofit | 26 | 85 |
| | Phocaeicola vulgatus CL09T03C04 | HMPREF1058_RS05400 | | cation:proton antiporter | sig. | 24 | 80 |
| | Rhodanobacter sp. FW510-T8 | OKGIIK_07940 | | Potassium transporter | insig. | 22 | 92 |
| | Rhodanobacter denitrificans FW104-10B01 | LRK54_RS16900 | | cation:proton antiporter | insig. | 22 | 92 |
| | Burkholderia phytofirmans PsJN | BPHYT_RS02935 | | potassium transporter | sig. | 23 | 83 |
| | Rhodanobacter denitrificans MT42 | LRK55_RS16615 | | cation:proton antiporter | cofit | 22 | 92 |
| | Bacteroides stercoris CC31F | HMPREF1181_RS03120 | | cation:proton antiporter | sig. | 22 | 76 |
| | Synechococcus elongatus PCC 7942 | Synpcc7942_0307 | napA | Na+/H+ antiporter | strong | 25 | 77 |
| | Paraburkholderia bryophila 376MFSha3.1 | H281DRAFT_01921 | | Kef-type potassium/proton antiporter, CPA2 family | insig. | 24 | 92 |
| | Azospirillum brasilense Sp245 | AZOBR_RS03295 | | cation:proton antiporter | insig. | 24 | 80 |
| | Methanococcus maripaludis S2 | MMP_RS02570 | | cation:proton antiporter | insig. | 26 | 66 |
| | Paraburkholderia graminis OAS925 | ABIE53_000724 | | CPA2 family monovalent cation:H+ antiporter-2 | sig. | 24 | 92 |
| | Azospirillum sp. SherDot2 | MPMX19_00332 | | Na(+)/H(+)-K(+) antiporter GerN | insig. | 25 | 80 |
| | Synechocystis sp000284455 PCC 6803 | SGL_RS14400 | | cation:proton antiporter | strong | 21 | 77 |
| | Parabacteroides merdae CL09T00C40 | HMPREF1078_RS15750 | | cation:proton antiporter | insig. | 21 | 78 |
| | Shewanella sp. ANA-3 | Shewana3_2797 | | potassium efflux system protein (RefSeq) | insig. | 21 | 92 |
| | Enterobacter asburiae PDN3 | EX28DRAFT_4179 | | transporter, monovalent cation:proton antiporter-2 (CPA2) family | cofit | 24 | 91 |
| | Pantoea sp. MT58 | IAI47_02030 | | glutathione-regulated potassium-efflux system protein KefB | insig. | 25 | 91 |
| | Salmonella enterica subsp. enterica serovar Typhimurium str. MS1868 | GFF3721 | | Glutathione-regulated potassium-efflux system protein KefB | insig. | 25 | 91 |
| | Dyella japonica UNC79MFTsu3.2 | ABZR86_RS07220 | | cation:proton antiporter | insig. | 23 | 79 |
| | Sphingobium sp. HT1-2 | GFF869 | | Cation:proton antiporter | cofit | 23 | 66 |
| | Methylophilus sp. DMC18 | GFF2772 | | Glutathione-regulated potassium-efflux system protein KefC | cofit | 25 | 78 |
| | Parabacteroides merdae CL09T00C40 | HMPREF1078_RS17335 | | cation:proton antiporter | insig. | 24 | 81 |
| | Cupriavidus basilensis FW507-4G11 | RR42_RS02110 | | potassium transporter | insig. | 25 | 75 |
| | Shewanella oneidensis MR-1 | SO1647 | | glutathione-regulated potassium-efflux system protein KefB, putative (NCBI ptt file) | insig. | 23 | 69 |
| | Pantoea agglomerans CFBP13505 P0401 | PagCFBP13505_RS21550 | | glutathione-regulated potassium-efflux system protein KefB | cofit | 25 | 91 |
| | Magnetospirillum magneticum AMB-1 | AMB_RS20195 | | iron transporter MagA | cofit | 24 | 73 |
| | Magnetospirillum magneticum AMB-1 | AMB_RS13190 | | Kef-type K+ transport systems | no data | 24 | 84 |
| | Bacteroides thetaiotaomicron VPI-5482 | BT3638 | | Na+/H+ anti-porter (NCBI ptt file) | sig. | 22 | 72 |
| | Erwinia tracheiphila HP pepo 2.2 | IJEDHG_12185 | kefB | glutathione-regulated potassium-efflux system protein KefB | strong | 23 | 96 |
| | Kangiella aquimarina DSM 16071 | B158DRAFT_1301 | | Kef-type potassium/proton antiporter, CPA2 family (TC 2.A.37.1) | sig. | 23 | 75 |
| | Desulfovibrio vulgaris Miyazaki F | DvMF_1119 | | sodium/hydrogen exchanger (RefSeq) | insig. | 22 | 94 |
| | Erwinia tracheiphila SCR3 | LU632_RS22735 | kefB | glutathione-regulated potassium-efflux system protein KefB | insig. | 23 | 96 |
| | Ralstonia sp. UNC404CL21Col | ABZR87_RS07090 | | monovalent cation:proton antiporter family protein | cofit | 23 | 76 |
| | Rhodanobacter sp000427505 FW510-R12 | LRK53_RS12045 | | cation:proton antiporter | insig. | 21 | 92 |
| | Klebsiella michiganensis M5al | BWI76_RS04495 | | glutathione-regulated potassium-efflux system protein KefC | sig. | 26 | 67 |