KLK3 (Human) Recombinant Protein
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Specification
Product Description
Human KLK3 (NP_001639, 18 a.a.- 261 a.a.) partial recombinant protein with C-terminal His tag expressed in HEK293 cells.
Host
Human
Theoretical MW (kDa)
27.6
Form
Liquid
Preparation Method
Mammalian cell (HEK293) expression system
Purity
> 95% by SDS-PAGE
Endotoxin Level
< 1 EU per 1 ug of protein (determined by LAL method).
Activity
Specific activity is > 250 pmol/min/ug, and is defined as the amount of enzyme cleaves 1 pmole of Succinyl-Arg-Pro-Tyr-p-Nitroanilide to Succinyl-Arg-Pro-Tyr and p-Nitroanilide per minute at pH7.5 at 37°C.
Quality Control Testing
3 ug by SDS-PAGE under reducing condition and visualized by coomassie blue stain.
Recommend Usage
SDS-PAGE
The optimal working dilution should be determined by the end user.Storage Buffer
In PBS, pH 7.4 (10% glycerol).
Storage Instruction
Store at 2°C to 8°C for 1 week. For long term storage, aliquot and store at -20°C to -80°C.
Aliquot to avoid repeated freezing and thawing. -
Applications
SDS-PAGE
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Gene Info — KLK3
Entrez GeneID
354Protein Accession#
NP_001639Gene Name
KLK3
Gene Alias
APS, KLK2A1, PSA, hK3
Gene Description
kallikrein-related peptidase 3
Omim ID
176820Gene Ontology
HyperlinkGene Summary
Kallikreins are a subgroup of serine proteases having diverse physiological functions. Growing evidence suggests that many kallikreins are implicated in carcinogenesis and some have potential as novel cancer and other disease biomarkers. This gene is one of the fifteen kallikrein subfamily members located in a cluster on chromosome 19. Its protein product is a protease present in seminal plasma. It is thought to function normally in the liquefaction of seminal coagulum, presumably by hydrolysis of the high molecular mass seminal vesicle protein. Serum level of this protein, called PSA in the clinical setting, is useful in the diagnosis and monitoring of prostatic carcinoma. Alternate splicing of this gene generates several transcript variants encoding different isoforms. [provided by RefSeq
Other Designations
P-30 antigen|gamma-seminoprotein|kallikrein 3, (prostate specific antigen)|prostate specific antigen|semenogelase|seminin
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