function:Probable serine protease.,similarity:Belongs to the peptidase S1 family.,similarity:Contains 1 peptidase S1 domain.,
[Isoform 1]: Cell membrane ; Lipid-anchor, GPI-anchor . Cytoplasm, cytosol . Mainly found in the membrane part of the cells and only in small amounts in the cytosol. .; [Isoform 2]: Cytoplasm, cytosol . Present primarily in the cytosol and only in minor amounts in the membrane fraction. .
Only detected in testis. Expressed in spermatogonia, spermatocytes, spermatids, Leydig and Sertoli cells. Expressed in prostate cancer and ovarian cancer (at protein level).