>tr|Q8TSY1|Q8TSY1_METAC Na+-transporting NADH:ubiquinone oxidoreductase, subunit 4 OS=Methanosarcina acetivorans (strain ATCC 35395 / DSM 2834 / JCM 12185 / C2A) GN=nqr4 PE=4 SV=1 MYPHRRADMNPISEFIRGITKDNPTFGLVLGLCPTLAVTTSVENGIGMAMGTLFVLVGSNMMVSAIRKGIPGTVRLPVEI IVIATFVTIVDMVMEAFTPDLYTSLGVFIPLIVVNCIVIGRAEAYALKNGVFYSIIDALGEGTGFLLVLILIGGIRELLG TGIIDPFGMTLINLSGVINPAMFMTMSPGAFLTIAVLMTIVNYRRQQKAAKGG