Zinc transporter ZIPB

UniProtKB accession:  A0A0H3LM39

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UniProtKB description:  Selective electrodiffusional channel that mediates the uptake of Zn(2+). Exploits in vivo zinc concentration gradients (maintained by cellular zinc homeostasis) to passively move zinc ions into the cytoplasm. ZIPB-mediated zinc flux is dependent upon pH, but independent of the proton motive force. Is also able to import Cd(2+), but is not permeable to Co(2+), Cu(2+), Fe(2+), Mn(2+) and Ni(2+).