NCBI and Uniprot Product Information
NCBI Description
The protein encoded by this gene is a lysosomal cysteine proteinase involved in bone remodeling and resorption. This protein, which is a member of the peptidase C1 protein family, is predominantly expressed in osteoclasts. However, the encoded protein is also expressed in a significant fraction of human breast cancers, where it could contribute to tumor invasiveness. Mutations in this gene are the cause of pycnodysostosis, an autosomal recessive disease characterized by osteosclerosis and short stature. [provided by RefSeq, Apr 2013]
Uniprot Description
CTSK: Closely involved in osteoclastic bone resorption and may participate partially in the disorder of bone remodeling. Displays potent endoprotease activity against fibrinogen at acid pH. May play an important role in extracellular matrix degradation. Defects in CTSK are the cause of pycnodysostosis (PKND). PKND is an autosomal recessive osteochondrodysplasia characterized by osteosclerosis and short stature. Belongs to the peptidase C1 family.
Protein type: Protease; EC 3.4.22.38
Chromosomal Location of Human Ortholog: 1q21
Cellular Component: extracellular space; extracellular region
Molecular Function: collagen binding; protein binding; proteoglycan binding; fibronectin binding; cysteine-type endopeptidase activity; cysteine-type peptidase activity
Biological Process: extracellular matrix disassembly; collagen catabolic process; intramembranous ossification; extracellular matrix organization and biogenesis; proteolysis involved in cellular protein catabolic process; toll-like receptor signaling pathway; innate immune response; proteolysis; bone resorption
Disease: Pycnodysostosis
Research Articles on CTSK
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Product Notes
The Rat CTSK ctsk (Catalog #AAA3809208) is an ELISA Kit and is intended for research purposes only. The product is available for immediate purchase. The AAA3809208 ELISA Kit recognizes Rat CTSK. It is sometimes possible for the material contained within the vial of "Cathepsin K, ELISA Kit" to become dispersed throughout the inside of the vial, particularly around the seal of said vial, during shipment and storage. We always suggest centrifuging these vials to consolidate all of the liquid away from the lid and to the bottom of the vial prior to opening. Please be advised that certain products may require dry ice for shipping and that, if this is the case, an additional dry ice fee may also be required.Precautions
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