KLK3, Recombinant, Human (Kallikrein-3, APS, KLK2A1, PSA, Hk3)

Catalog No : USB-167897
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Product name KLK3, Recombinant, Human (Kallikrein-3, APS, KLK2A1, PSA, Hk3)
Catalog No USB-167897
Supplier’s Catalog No 167897
Supplier US Biologicals
Source antigen Recombinant, Human
Reactivity
Cross reactivity
Applications
Molecular weight 26.2
Storage -70°C
Other names
Grade Highly Purified
Purity ~95% (SDS-PAGE)
Form Supplied as a lyophilized powder in PBS, pH 7.4. No preservative added.
Reactivity life 6 months
Note For reserch purpose only
Purity ~95% (SDS-PAGE)
Description Prostate-specific antigen, also known as Gamma-seminoprotein, Kallikrein-3, kallikrein-related peptidase 3, Semenogelase, KLK3 and PSA, is a secreted protein which belongs to thepeptidase S1 family and Kallikrein subfamily. KLK3/Kallikrein 3 contains one peptidase S1 domain. KLK3/Kallikrein 3 is a glycoprotein produced almost exclusively by the prostate gland. KLK3/Kallikrein 3 is produced for the ejaculate where it liquifies the semen in the seminal coagulum and allows sperm to swim freely.It is also believed to be instrumental in dissolving the cervical mucous, allowing the entry of sperm. Human KLK3/Kallikrein 3 and human KLK2 are closely related products of the human kallikrein genes KLK3 and KLK2, respectively. Both KLK3/Kallikrein 3 and human kallikrein 2 are produced and secreted in the prostate and have important applications in the diagnosis of prostate cancer. Understanding the mechanism by which genetic variation in KLK3/Kallikrein 3 affects prostate cancer risk has important implications for study of the biological role of KLK3/Kallikrein 3 in prostate tumorigenesis. Source: Recombinant protein corresponding to human Kallikrein-3 expressed in Human. Molecular Weight: ~26.2kD Biological Activity: Measured by its ability to cleave the colorimetric peptide substrate, Succinyl-Arg-Pro-Tyr-p-Nitroanilide (Suc-RPY-pNA). The specific activity is >100 pmoles/min/ug. Endotoxin: <0.1EU/ug purified protein Storage and Stability: Aliquot to avoid repeated freezing and thawing and store at -70°C. For maximum recovery of product, centrifuge the original vial after thawing and prior to removing the cap.