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Human Kallikrein 9 Protein, His Tag

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KL9-H52H3-100ug
$350.00
In Stock - Delivery in 1-2 business days
KL9-H52H3-1mg
$2,500.00
In Stock - Delivery in 2-3 weeks
KL9-H52H3
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Synonyms

Kallikrein 9

Source

Human Kallikrein 9 Protein, His Tag (KL9-H52H3) is expressed from human 293 cells (HEK293). It contains AA His 16 - Asn 250 (Accession # Q9UKQ9-1).

Predicted N-terminus: His 16

Molecular Characterization
Other Tags and Version Biotin & Other Labeled Version

This protein carries a polyhistidine tag at the C-terminus.

The protein has a calculated MW of 27.9 kDa. The protein migrates as 35-45 kDa when calibrated against Star Ribbon Pre-stained Protein Marker under reducing (R) condition (SDS-PAGE) due to glycosylation.

Endotoxin

Less than 1.0 EU per μg by the LAL method / rFC method.

Purity

>90% as determined by SDS-PAGE.

Formulation

Supplied as 0.2 μm filtered solution in 20 mM HEPES, 150 mM NaCl, pH7.5 with glycerol as protectant.

Contact us for customized product form or formulation.

Shipping and Storage

This product is supplied and shipped on dry ice.

Please avoid repeated freeze-thaw cycles.

This product is stable after storage at:
  • The product MUST be stored at -70°C or lower upon receipt;
  • -70°C for 3 months under sterile conditions.
ACRO Quality Management System

Background Introduction

Kallikrein 9 (KLK9) is a member of the human tissue kallikrein-related peptidase family, encoded by the KLK9 gene on chromosome 19q13.41. It is a secreted serine protease synthesized as an inactive zymogen and activated by proteolytic cleavage. KLK9 is expressed in several tissues, including the brain, skin, and reproductive organs, and is thought to participate in extracellular matrix remodeling and epithelial homeostasis. Biochemical studies show that KLK9 is a chymotrypsin-like enzyme with preference for tyrosine at the P1 site, regulated by metal ions and protease inhibitors. Dysregulated KLK9 expression has been linked to cancers and inflammatory conditions, suggesting potential biomarker and therapeutic relevance.