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mleN

Gene
mleN
Protein
Malate-2H(+)/Na(+)-lactate antiporter
Organism
Bacillus subtilis (strain 168)
Length
468 amino acids
Function
Couples proton uptake and Na(+) efflux to the substrate-product malate/lactate antiport, in an electroneutral malate-2H(+)/Na(+)-lactate exchange. Plays a role in supporting growth to high density on malate at reduced protonmotive force.
Similarity
Belongs to the NhaC Na(+)/H(+) (TC 2.A.35) antiporter family.
Mass
50.212 kDa
Sequence
MKDVRLPTLFEIIIVLGVFLALVLSFTVFLDLPIQLALFVSWFIAMLLGIRLGYSYKDLQNAIVHGISNGLEAVLILVSVGALIGTWIAGGVVPTLIYYGLEFIHPSIFLLATLIICSIMSVATGTSWGTVGTAGIAMIAIGEGLGIPLPLVAGAILSGAYFGDKLSPLSDSTVLASSLSKVDVLAHVRAMLYLSIPAYVITAILFTVVGFMYGGKNIDLDKVEFLKSSLQNTFDIHIWMLIPAVLVIVLLAMKKPSMPVIVIGALLGAIWAVVFQGMDIAHAIATAYNGFSIKTDVEFLNGLLNRGGIVGMLDSLVVIIFGLGFGGLLEKLGVLKVIVSTFEKKLTSAGNVTLSTLIVAFLANIFGCAMYVSLILTPKIMEDSYDRLHLDRRVLSRNSEVGGTLTSGMVPWSDNGIYMAGILGVSTFSYLPFMWLSFVAIGLAIIYGYTGKFIWYTKNNTVKAEKLG