Transporter for the divalent cation Zn(2+). Mediates the influx of Zn(2+) into cells from extracellular space ( ). Functions as the major importer of zinc from circulating blood plasma into prostate cells .
Subcellular locations: Cell membrane, Endoplasmic reticulum membrane
Shows a vesicular localization corresponding partially to the endoplasmic reticulum in several epithelial cell lines.
Ubiquitous (, ). Expressed in most adult and fetal tissues including the epidermis.