This gene encodes a member of a group of membrane-anchored chymotrypsin (S1)-like serine proteases. The enocoded protein is primarily expressed in the Leydig and Sertoli cells of the testis and may be involved in male fertility. Alternate splicing results in multiple transcript variants. [provided by RefSeq, Sep 2010],
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Function:
Function:Probable serine protease.,similarity:Belongs to the peptidase S1 family.,similarity:Contains 1 peptidase S1 domain.,
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Cellular Localization:
[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. .