Protein
Ktr system potassium uptake protein D
Organism
Bacillus subtilis (strain 168)
Function
Integral membrane subunit of the KtrCD potassium uptake transporter. The 2 major potassium transporter complexes KtrAB and KtrCD confer resistance to both suddenly imposed and prolonged osmotic stress.
Similarity
Belongs to the TrkH potassium transport family. Ktr (TC 2.A.38.4) subfamily.
Sequence
MRLKFGKLIQALSPAQLIALYYFLAVTVAVILLSLPAAHKPGADWTFIDALFTAVSSVSVTGLTVVDTADTFSTIGIFILAFVLQFGGIGIMTLGTFIWLIMGKRIGLKERKLIMVDQNQSQFSGIVNLMKQVLFLILWIEFFGGLILGTYFLTYYDSYQEAYLHGFFASISATTNGGFDITGNSMIPFRHDYFVQFITMLLIIFGAIGFPVLVEVKDFLFSKHRRYPFTLFTKITTITFGSLVLFGAIGIFALEANHAFAGKSWHDILFLSLFQSTATRSGGLATIDISQLSDSTLFFICALMFIGASPSSVGGGIRTTTFALNLLALFHFARGNKAVKVFKRELHPADLMKSLVVTMMAILLVFGATLILTITEKHSLLELLFEVCSAFGTTGLSLGITADLSSVGKCVIMIVMFIGRIGILTFLYLIGRKEIEANYHYPKERVIIG