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- Table of Contents
Designing a Western blot for Cathepsin K? The guide has the expected band size, antibodies backed by real blot images, the controls to run alongside, and protocols taken from published papers.
Open the CTSK Western Blot GuideFacts about Cathepsin K.
May play an important role in extracellular matrix degradation. .
| Human | |
|---|---|
| Gene Name: | CTSK |
| Uniprot: | P43235 |
| Entrez: | 1513 |

| Belongs to: |
|---|
| peptidase C1 family |

cathepsin K (pycnodysostosis); Cathepsin K; Cathepsin O; cathepsin O1; Cathepsin O2; Cathepsin X; CTS02; CTSK; CTSO; CTSO1; CTSO2; EC 3.4.22; EC 3.4.22.38; MGC23107; PKND; PYCD
Mass (kDA):
36.966 kDA

| Human | |
|---|---|
| Location: | 1q21.3 |
| Sequence: | 1; NC_000001.11 (150796208..150808260, complement) |
Predominantly expressed in osteoclasts (bones).
Lysosome. Secreted. Apical cell membrane; Peripheral membrane protein; Extracellular side. Localizes to the lumen of thyroid follicles and to the apical membrane of thyroid epithelial cells.





PMID: 7805878 by Shi G.-P., et al. Molecular cloning of human cathepsin O, a novel endoproteinase and homologue of rabbit OC2.
PMID: 7818555 by Inaoka T., et al. Molecular cloning of human cDNA for cathepsin K: novel cysteine proteinase predominantly expressed in bone.
*More publications can be found for each product on its corresponding product page