>6VD9_1|Chains A, B, C, D|Metal cation efflux system protein CzcD|Cupriavidus metallidurans (strain ATCC 43123 / DSM 2839 / NBRC 102507 / CH34) (266264) DDVDLAEVEKQILATPGVKSFHDLHIWALTSGKASLTVHVVNDTAVNPEMEVLPELKQMLADKFDITHVTIQFEL