The gene KLK5 (kallikrein related peptidase 5) encodes a serine protease that is a member of the kallikrein gene family. Its expression is abundant in skin, mammary gland and testis. The gene is localized to a gene cluster at human chromosome 19q13.2-q13.4. The encoded protein is synthesized as a preproenzyme containing an N-terminal signal peptide (prezymogen) followed by an activation peptide and the enzymatic domain. It is highly homologous to the enamel matrix serine proteinase 1 (EMSP1).
Synonyms: Anti-KLK-L2; Anti-Kallikrein-5 precursor; Anti-Kallikrein-like protein 2; Anti-Stratum corneum tryptic enzyme
Storage: -20C
Application: Anti-KLK5 antibody produced in rabbit has been used in immunohistochemistry (1.0 µg/mL).
Biochem Physiol Actions: The gene KLK5 (kallikrein related peptidase 5) encodes a serine protease that is also referred to as KLK-L2 or human stratum corneum tryptic enzyme that is involved in the degradation of corneodesmosome proteins at the epidermal surface. This is a necessary step in desquamation. The corneodesmosome proteins comprising of corneodesmosin (CDSN), desmoglein 1 (DSG1), and desmocollin 1 (DSC1) mediate corneocyte cohesion. KLK5 expression is linked to more aggressive forms of epithelial ovarian carcinoma and it may serve as an independent prognostic marker of poor prognosis in ovarian cancer.
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