Protein
Metal cation efflux system protein CzcD
Organism
Cupriavidus metallidurans (strain ATCC 43123 / DSM 2839 / NBRC 102507 / CH34)
Function
Mediates a low-level metal ion resistance, probably by efflux of cations from the cytoplasm into the periplasm. Also mediates resistance to cobalt, cadmium and zinc via regulation of the Czc system. May repress expression of the Czc system by an export of the inducing cations. Binds and transports zinc. Can also bind cobalt, copper and nickel.
Similarity
Belongs to the cation diffusion facilitator (CDF) transporter (TC 2.A.4) family. SLC30A subfamily.
Sequence
MGAGHSHDHPGGNERSLKIALALTGTFLIAEVVGGVMTKSLALISDAAHMLTDTVALAIALAAIAIAKRPADKKRTFGYYRFEILAAAFNALLLFGVAIYILYEAYLRLKSPPQIESTGMFVVAVLGLIINLISMRMLSSGQSSSLNVKGAYLEVWSDLLGSVGVIAGAIIIRFTGWAWVDSAIAVLIGLWVLPRTWILLKSSLNVLLEGVPDDVDLAEVEKQILATPGVKSFHDLHIWALTSGKASLTVHVVNDTAVNPEMEVLPELKQMLADKFDITHVTIQFELAPCEQADAAQHFNASPALVGSKSLAAGGN