# OC Root 2nd 3rd 4th 5th PC Gene/Definition OC.131090 Bacteria.383531 Firmicutes.250761 Firmicutes___Clostridia.107763 Clostridium.39736 carg.2388 carg:RSJ17_13185 K+/H+ antiporter; K11105 cell volume regulation protein A OC.131090 Bacteria.383531 Planctomycetes.31634 - - kst.2205 kst:KSMBR1_2418 hypothetical protein; K11105 cell volume regulation protein A OC.131090 Bacteria.383531 Bacteroidetes.13742 Bacteroides.683 Bacteroides_thetaiotaomicron.3582 bth.706 bth:BT_0685 cvrA, nhaP2, ycgO; potassium/proton antiporter; K11105 cell volume regulation protein A OC.131090 Bacteria.383531 Bacteroidetes.13742 Bacteroides.683 Bacteroides_thetaiotaomicron.3582 btho.2195 btho:Btheta7330_02275 nhaP2; K(+)/H(+) antiporter NhaP2; K11105 cell volume regulation protein A OC.131090 Bacteria.383531 Bacteroidetes.13742 Bacteroides.683 Bacteroides_fragilis.881 bfr.2142 bfr:BF2145 putative Na+/H+ exchanger; K11105 cell volume regulation protein A OC.131090 Bacteria.383531 Bacteroidetes.13742 Bacteroides.683 Bacteroides_fragilis.881 bfs.2087 bfs:BF9343_2115 putative Na+/H+ exchanger; K11105 cell volume regulation protein A OC.131090 Bacteria.383531 Bacteroidetes.13742 Bacteroides.683 Bacteroides_fragilis.881 bfg.2140 bfg:BF638R_2260 putative Na+/H+ exchanger; K11105 cell volume regulation protein A OC.131090 Bacteria.383531 Bacteroidetes.13742 Bacteroides.683 Bacteroides_fragilis.881 bfb.1849 bfb:VU15_09300 potassium transporter; K11105 cell volume regulation protein A OC.131090 Bacteria.383531 Bacteroidetes.13742 Bacteroides.683 - bvu.2567 bvu:BVU_2743 putative Na+/H+ exchanger; K11105 cell volume regulation protein A OC.131090 Bacteria.383531 Bacteroidetes.13742 Bacteroides.683 - bhl.2097 bhl:Bache_2174 potassium/proton antiporter, CPA1 family; K11105 cell volume regulation protein A OC.131090 Bacteria.383531 Bacteroidetes.13742 Bacteroides.683 - bsa.926 bsa:Bacsa_0898 sodium/hydrogen exchanger; K11105 cell volume regulation protein A OC.131090 Bacteria.383531 Bacteroidetes.13742 Bacteroides.683 - bxy.223 bxy:BXY_02410 potassium/proton antiporter, CPA1 family (TC 2.A.36); K11105 cell volume regulation protein A OC.131090 Bacteria.383531 Bacteroidetes.13742 Bacteroides.683 Bacteroides_dorei.1488 bdo.1259 bdo:EL88_07000 potassium transporter; K11105 cell volume regulation protein A OC.131090 Bacteria.383531 Bacteroidetes.13742 Bacteroides.683 Bacteroides_dorei.1488 bdh.2689 bdh:GV66_14935 potassium transporter; K11105 cell volume regulation protein A OC.131090 Bacteria.383531 Bacteroidetes.13742 Bacteroides.683 - boa.992 boa:Bovatus_00958 nhaP2; K(+)/H(+) antiporter NhaP2; K11105 cell volume regulation protein A OC.131090 Bacteria.383531 Bacteroidetes.13742 Bacteroides.683 - bcel.5032 bcel:BcellWH2_05325 nhaP2; K(+)/H(+) antiporter NhaP2; K11105 cell volume regulation protein A OC.131090 Bacteria.383531 Bacteroidetes.13742 Bacteroides.683 - bcac.2354 bcac:CGC64_12485 potassium/proton antiporter; K11105 cell volume regulation protein A OC.131090 Bacteria.383531 Bacteroidetes.13742 Bacteroides.683 - bcae.1702 bcae:A4V03_09295 K+/H+ antiporter; K11105 cell volume regulation protein A OC.131090 Bacteria.383531 Bacteroidetes.13742 Bacteroides.683 - bzg.550 bzg:C4H11_02870 potassium/proton antiporter; K11105 cell volume regulation protein A OC.131090 Bacteria.383531 Bacteroidetes.13742 Bacteroides.683 - bhf.561 bhf:C3V43_02860 potassium/proton antiporter; K11105 cell volume regulation protein A OC.131090 Bacteria.383531 Bacteroidetes.13741 Bacteroides.15202 - bacc.1921 bacc:BRDCF_p687 cvrA; Cell volume regulation protein A-like protein; K11105 cell volume regulation protein A OC.131090 Bacteria.383531 Bacteroidetes.13742 Bacteroides.15484 - bacc.2221 bacc:BRDCF_p961 Cell volume regulation protein A-like protein; K11105 cell volume regulation protein A OC.131090 Bacteria.383531 Bacteroidetes.13742 Porphyromonas.46 Porphyromonas_gingivalis.1042 pgi.337 pgi:PG_0381 sodium/hydrogen antiporter; K11105 cell volume regulation protein A OC.131090 Bacteria.383531 Bacteroidetes.13742 Porphyromonas.46 Porphyromonas_gingivalis.1042 pgn.1505 pgn:PGN_1584 putative sodium/hydrogen antiporter; K11105 cell volume regulation protein A OC.131090 Bacteria.383531 Bacteroidetes.13742 Porphyromonas.46 Porphyromonas_gingivalis.1042 pgt.1429 pgt:PGTDC60_1496 cvrA; potassium/proton antiporter; K11105 cell volume regulation protein A OC.131090 Bacteria.383531 Bacteroidetes.13742 Porphyromonas.46 - pah.1412 pah:Poras_1504 sodium/hydrogen exchanger; K11105 cell volume regulation protein A OC.131090 Bacteria.383531 Bacteroidetes.13742 Porphyromonas.46 - pcre.1374 pcre:NCTC12858_01448 potassium/proton antiporter; K11105 cell volume regulation protein A OC.131090 Bacteria.383531 Bacteroidetes.13742 - - pbt.758 pbt:ING2E5B_0765 hypothetical protein; K11105 cell volume regulation protein A OC.131090 Bacteria.383531 Bacteroidetes.13742 Petrimonas.696 - pmuc.1977 pmuc:ING2E5A_2215 nhaP2; K(+)/H(+) antiporter NhaP2 {ECO:0000255|HAMAP-Rule:MF_01075}; K11105 cell volume regulation protein A OC.131090 Bacteria.383531 Bacteroidetes.13742 Petrimonas.696 - pet.2043 pet:PEIBARAKI_6094 Potassium/proton antiporter; K11105 cell volume regulation protein A OC.131090 Bacteria.383531 Bacteroidetes.13742 Parabacteroides.2639 - pdi.3202 pdi:BDI_3333 putative Na+/H+ exchanger; K11105 cell volume regulation protein A OC.131090 Bacteria.383531 Bacteroidetes.13742 Parabacteroides.2639 - parc.4251 parc:CI960_22665 potassium/proton antiporter; K11105 cell volume regulation protein A OC.131090 Bacteria.383531 Bacteroidetes.13742 Tannerella.3609 - toh.1888 toh:BCB71_11435 potassium/proton antiporter; K11105 cell volume regulation protein A OC.131090 Bacteria.383531 Bacteroidetes.13742 - - pary.1563 pary:A4V02_08805 K+/H+ antiporter; K11105 cell volume regulation protein A OC.131090 Bacteria.383531 Bacteroidetes.13742 - - bvs.972 bvs:BARVI_05090 potassium transporter CPA; K11105 cell volume regulation protein A OC.131090 Bacteria.383531 Bacteroidetes.13742 - - psac.2300 psac:PSM36_2384 potassium/proton antiporter; K11105 cell volume regulation protein A OC.131090 Bacteria.383531 Bacteroidetes.13742 - - osp.1554 osp:Odosp_1624 sodium/hydrogen exchanger; K11105 cell volume regulation protein A OC.131090 Bacteria.383531 Bacteroidetes.13742 - - osp.3034 osp:Odosp_3381 sodium/hydrogen exchanger OC.131090 Bacteria.383531 Bacteroidetes.13742 Prevotella.4542 - pdt.1673 pdt:Prede_1776 NhaP-type Na+(K+)/H+ antiporter; K11105 cell volume regulation protein A OC.131090 Bacteria.383531 Bacteroidetes.13742 Alistipes.1607 - afd.224 afd:Alfi_0079 NhaP-type Na+(K+)/H+ antiporter; K11105 cell volume regulation protein A OC.131090 Bacteria.383531 Bacteroidetes.13742 - - rbc.287 rbc:BN938_0066 Na(+)/H(+) antiporter; K11105 cell volume regulation protein A OC.131090 Bacteria.383531 Bacteroidetes.13741 - - dori.165 dori:FH5T_00335 potassium transporter; K11105 cell volume regulation protein A OC.131090 Bacteria.383531 Bacteroidetes.13741 - - asx.1851 asx:CDL62_09425 K+/H+ antiporter; K11105 cell volume regulation protein A OC.131090 Bacteria.383531 Bacteroidetes.13741 - - mbas.3230 mbas:ALGA_3402 K+/H+ antiporter; K11105 cell volume regulation protein A OC.131090 Bacteria.383531 Bacteroidetes.13741 - - fla.2871 fla:SY85_15820 potassium transporter; K11105 cell volume regulation protein A OC.131090 Bacteria.383531 Bacteroidetes.13741 - - hhy.4700 hhy:Halhy_4982 sodium/hydrogen exchanger; K11105 cell volume regulation protein A OC.131090 Bacteria.383531 Bacteroidetes.13741 Cyclobacterium.3038 - cmr.4645 cmr:Cycma_4826 sodium/hydrogen exchanger; K11105 cell volume regulation protein A OC.131090 Bacteria.383531 Bacteroidetes.13741 Cyclobacterium.3038 - camu.4422 camu:CA2015_4636 Na(+)/H(+) antiporter; K11105 cell volume regulation protein A OC.131090 Bacteria.383531 Bacteroidetes.13741 - - bbd.2828 bbd:Belba_3097 NhaP-type Na+(K+)/H+ antiporter; K11105 cell volume regulation protein A OC.131090 Bacteria.383531 Bacteroidetes.13740 Echinicola.2418 - evi.2524 evi:Echvi_2628 NhaP-type Na+(K+)/H+ antiporter; K11105 cell volume regulation protein A OC.131090 Bacteria.383531 Bacteroidetes.13740 Echinicola.2418 - est.3621 est:DN752_19200 potassium/proton antiporter; K11105 cell volume regulation protein A OC.131090 Bacteria.383531 Bacteroidetes.13739 Pontibacter.574 - pko.3651 pko:PKOR_20885 potassium transporter; K11105 cell volume regulation protein A OC.131090 Bacteria.383531 Bacteroidetes.13739 Pontibacter.574 - pact.1712 pact:CA264_08580 K+/H+ antiporter; K11105 cell volume regulation protein A OC.131090 Bacteria.383531 Bacteroidetes.13741 - - fbt.4286 fbt:D770_22325 sodium/hydrogen exchanger; K11105 cell volume regulation protein A OC.131090 Bacteria.383531 Bacteroidetes.13743 - - aas.990 aas:Aasi_1689 hypothetical protein; K11105 cell volume regulation protein A OC.131090 Bacteria.383531 Bacteroidetes.13743 Cardinium.301 - che.556 che:CAHE_0580 cvrA; Cell volume regulation protein A homolog; K11105 cell volume regulation protein A OC.131090 Bacteria.383531 Bacteroidetes.13743 Cardinium.301 - cec.406 cec:CE557_469 Cell volume regulation protein A-like protein; K11105 cell volume regulation protein A OC.131090 Bacteria.383531 Bacteroidetes.13743 Cardinium.301 - cher.664 cher:DK880_00779 nhaP; K(+)/H(+) antiporter NhaP; K11105 cell volume regulation protein A OC.131090 Bacteria.383531 Bacteroidetes.13741 Gramella.4311 - gfo.832 gfo:GFO_0816 sodium/hydrogen exchanger family protein; K11105 cell volume regulation protein A OC.131090 Bacteria.383531 Bacteroidetes.13741 Capnocytophaga.3595 - ccm.1840 ccm:Ccan_18740 Cell volume regulation protein A-like protein; K11105 cell volume regulation protein A OC.131090 Bacteria.383531 Bacteroidetes.13741 Capnocytophaga.3595 - ccyn.321 ccyn:CGC48_01545 K+/H+ antiporter; K11105 cell volume regulation protein A OC.131090 Bacteria.383531 Bacteroidetes.13741 Capnocytophaga.3595 Capnocytophaga_sp_.614 caph.212 caph:CGC49_00995 K+/H+ antiporter; K11105 cell volume regulation protein A OC.131090 Bacteria.383531 Bacteroidetes.13741 Capnocytophaga.3595 - csto.288 csto:CGC58_01320 K+/H+ antiporter; K11105 cell volume regulation protein A OC.131090 Bacteria.383531 Bacteroidetes.13741 - - rbi.2687 rbi:RB2501_13614 cell volume regulation protein CvrA; K11105 cell volume regulation protein A OC.131090 Bacteria.383531 Bacteroidetes.13741 - - zpr.3628 zpr:ZPR_3757 sodium/hydrogen exchanger family protein; K11105 cell volume regulation protein A OC.131090 Bacteria.383531 Bacteroidetes.13741 Riemerella.302 - ran.348 ran:Riean_0359 potassium/proton antiporter, CPA1 family; K11105 cell volume regulation protein A OC.131090 Bacteria.383531 Bacteroidetes.13741 Riemerella.302 - rai.516 rai:RA0C_0570 potassium/proton antiporter, cpa1 family; K11105 cell volume regulation protein A OC.131090 Bacteria.383531 Bacteroidetes.13741 Riemerella.302 - rar.1765 rar:RIA_1923 NhaP-type Na+/H+ and K+/H+ antiporters with a unique C-terminal domain; K11105 cell volume regulation protein A OC.131090 Bacteria.383531 Bacteroidetes.13741 Riemerella.302 - rae.1272 rae:G148_1268 hypothetical protein; K11105 cell volume regulation protein A OC.131090 Bacteria.383531 Bacteroidetes.13741 Maribacter.2433 Maribacter_sp_.907 marm.180 marm:YQ22_00875 potassium transporter; K11105 cell volume regulation protein A OC.131090 Bacteria.383531 Bacteroidetes.13741 Maribacter.2433 Maribacter_sp_.907 mart.191 mart:BTR34_00850 K+/H+ antiporter; K11105 cell volume regulation protein A OC.131090 Bacteria.383531 Bacteroidetes.13741 Cellulophaga.7076 - cao.299 cao:Celal_0277 potassium/proton antiporter, CPA1 family; K11105 cell volume regulation protein A OC.131090 Bacteria.383531 Bacteroidetes.13741 Cellulophaga.5144 Cellulophaga_lytica.1155 cly.2251 cly:Celly_2276 sodium/hydrogen exchanger; K11105 cell volume regulation protein A OC.131090 Bacteria.383531 Bacteroidetes.13741 Cellulophaga.5144 Cellulophaga_lytica.1155 clh.2099 clh:IX49_11360 potassium transporter; K11105 cell volume regulation protein A OC.131090 Bacteria.383531 Bacteroidetes.13741 - - wvi.852 wvi:Weevi_0872 sodium/hydrogen exchanger; K11105 cell volume regulation protein A OC.131090 Bacteria.383531 Bacteroidetes.13741 - - zga.4226 zga:ZOBELLIA_584 cvrA; Cell volume regulation protein A; K11105 cell volume regulation protein A OC.131090 Bacteria.383531 Bacteroidetes.13741 Muricauda.5534 - mrs.3300 mrs:Murru_3399 sodium/hydrogen exchanger; K11105 cell volume regulation protein A OC.131090 Bacteria.383531 Bacteroidetes.13741 - - asl.1907 asl:Aeqsu_1975 NhaP-type Na+(K+)/H+ antiporter; K11105 cell volume regulation protein A OC.131090 Bacteria.383531 Bacteroidetes.13741 Polaribacter.1022 - pob.2086 pob:LPB03_10680 K+/H+ antiporter; K11105 cell volume regulation protein A OC.131090 Bacteria.383531 Bacteroidetes.13741 Polaribacter.1022 Polaribacter_sp_.2393 poa.1173 poa:CW731_06115 potassium/proton antiporter; K11105 cell volume regulation protein A OC.131090 Bacteria.383531 Bacteroidetes.13741 - - ahz.2564 ahz:APS56_13235 potassium transporter; K11105 cell volume regulation protein A OC.131090 Bacteria.383531 Bacteroidetes.13741 - - salt.1794 salt:AO058_09360 potassium transporter; K11105 cell volume regulation protein A OC.131090 Bacteria.383531 Bacteroidetes.13741 - - seon.1647 seon:BWZ22_08630 K+/H+ antiporter; K11105 cell volume regulation protein A OC.131090 Bacteria.383531 Bacteroidetes.13741 - - aalg.3741 aalg:AREALGSMS7_03951 K(+)/H(+) antiporter NhaP; K11105 cell volume regulation protein A OC.131090 Bacteria.383531 Bacteroidetes.13741 - - aue.1566 aue:C5O00_08040 potassium/proton antiporter; K11105 cell volume regulation protein A OC.131090 Bacteria.383531 Bacteroidetes.13741 - - marf.14 marf:CJ739_1560 K(+)/H(+) antiporter NhaP; K11105 cell volume regulation protein A OC.131090 Bacteria.383531 Bacteroidetes.13741 - - marf.14 marf:CJ739_265 K(+)/H(+) antiporter NhaP; K11105 cell volume regulation protein A OC.131090 Bacteria.383531 Bacteroidetes.13741 - - oho.3263 oho:Oweho_3440 NhaP-type Na+(K+)/H+ antiporter; K11105 cell volume regulation protein A