Tags: Protein.
Prostate stem cell antigen is a protein that in humans is encoded by the PSCA gene.This gene encodes a glycosylphosphatidylinositol-anchored cell membrane glycoprotein. In addition to being highly expressed in the prostate it is also expressed in the bladder placenta colon kidney and stomach. This gene has a nonsynonymous nucleotide polymorphism at its start codon.