May be involved in sperm differentiation and proliferation.
Subcellular locations: Cytoplasm, Nucleus
Predominantly cytoplasmic. Also found in nucleus.
Specifically expressed in testicular tissues. Isoform 1 and isoform 2 are expressed in spermatogonia and spermatocytes. Found in early testicular carcinoma in situ, spermatogonial cells in testicular tissues of 46,X,Y female and in prostate cancer cell lines.