# OC Root 2nd 3rd 4th PC Gene/Definition OC.189481 Bacteria.292007 Actinobacteria.83927 Pseudarthrobacter.1601 ach.648 ach:Achl_0600 sodium/hydrogen exchanger OC.189481 Bacteria.292007 Actinobacteria.83927 Pseudarthrobacter.1601 apn.557 apn:Asphe3_04910 NhaP-type Na+(K+)/H+ antiporter