Transporter for the divalent cation Zn(2+). Mediates the influx of Zn(2+) into cells from extracellular space (PubMed:11301334, PubMed:12888280, PubMed:16844077). Functions as the major importer of zinc from circulating blood plasma into prostate cells (PubMed:12888280). {ECO:0000269|PubMed:11301334, ECO:0000269|PubMed:12888280, ECO:0000269|PubMed:16844077}. This is the function of SLC39A1 (solute carrier family 39 member 1, ENSG00000143570).