Anti-Cathepsin K/CTSK Antibody Picoband™

Product Name

Anti-Cathepsin K/CTSK Antibody Picoband™

View all Cathepsin K Antibodies

SKU/Catalog Number

PB9856

Size

100 μg/vial

Form

Lyophilized

Description

Boster Bio Anti-Cathepsin K/CTSK Antibody Picoband™ catalog # PB9856. Tested in IHC, WB applications. This antibody reacts with Human.

Storage & Handling

Store at -20˚C for one year from date of receipt. After reconstitution, at 4˚C for one month. It can also be aliquotted and stored frozen at -20˚C for six months. Avoid repeated freeze-thaw cycles.

Cite This Product

Anti-Cathepsin K/CTSK Antibody Picoband™ (Boster Biological Technology, Pleasanton CA, USA, Catalog # PB9856)

Host

Rabbit

Contents

Each vial contains 5mg BSA, 0.9mg NaCl, 0.2mg Na2HPO4, 0.05mg NaN3.

Clonality

Polyclonal

Isotype

Rabbit IgG

Immunogen

E. coli-derived human Cathepsin K recombinant protein (Position: A115-M329). Human Cathepsin K shares 86.9% and 88.8% amino acid (aa) sequence identity with mouse and rat Cathepsin K, respectively.

*Blocking peptide can be purchased. Costs vary based on immunogen length. Contact us for pricing.

Cross-reactivity

No cross-reactivity with other proteins.

Reactive Species

PB9856 is reactive to CTSK in Human

Applications

PB9856 is guaranteed for IHC, WB Boster Guarantee

Observed Molecular Weight

45 kDa

Calculated molecular weight

36966 MW

Background of Cathepsin K

Cathepsin K, abbreviated CTSK, is an enzyme that in humans is encoded by the CTSK gene. It is mapped to 1q21. The protein encoded by this gene is a lysosomal cysteine protease involved in bone remodeling and resorption. And this protein, which is a member of the peptidase C1 protein family, is expressed predominantly in osteoclasts. Additionally, the enzyme's ability to catabolize elastin, collagen, and gelatin allow it to break down bone and cartilage. This catabolic activity is also partially responsible for the loss of lung elasticity and recoil inemphysema. Cathepsin K inhibitors, such as odanacatib, show great potential in the treatment of osteoporosis. Cathepsin K is degraded by Cathepsin S, called Controlled Cathepsin Cannibalism.

Antibody Validation

Boster validates all antibodies on WB, IHC, ICC, Immunofluorescence, and ELISA with known positive control and negative samples to ensure specificity and high affinity, including thorough antibody incubations.

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Reconstitution

Add 0.2ml of distilled water will yield a concentration of 500ug/ml.

Assay Dilutions Recommendation

The recommendations below provide a starting point for assay optimization. The actual working concentration varies and should be decided by the user.

Immunohistochemistry (Paraffin-embedded Section), 0.5-1μg/ml, Human, By Heat
Western blot, 0.1-0.5μg/ml, Human

Validation Images & Assay Conditions

Click image to see more details

Figure 1. Western blot analysis of Cathepsin K using anti-Cathepsin K antibody (PB9856).
Electrophoresis was performed on a 5-20% SDS-PAGE gel at 70V (Stacking gel) / 90V (Resolving gel) for 2-3 hours. The sample well of each lane was loaded with 30 ug of sample under reducing conditions.
Lane 1: HELA whole cell lysates,
Lane 2: 22RV1 whole cell lysates.
After electrophoresis, proteins were transferred to a nitrocellulose membrane at 150 mA for 50-90 minutes. Blocked the membrane with 5% non-fat milk/TBS for 1.5 hour at RT. The membrane was incubated with rabbit anti-Cathepsin K antigen affinity purified polyclonal antibody (Catalog # PB9856) at 0.5 μg/mL overnight at 4°C, then washed with TBS-0.1%Tween 3 times with 5 minutes each and probed with a goat anti-rabbit IgG-HRP secondary antibody at a dilution of 1:5000 for 1.5 hour at RT. The signal is developed using an Enhanced Chemiluminescent detection (ECL) kit (Catalog # EK1002) with Tanon 5200 system. A specific band was detected for Cathepsin K at approximately 45 kDa. The expected band size for Cathepsin K is at 40 kDa.

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Figure 2. IHC analysis of Cathepsin K using anti-Cathepsin K antibody (PB9856).
Cathepsin K was detected in a paraffin-embedded section of human osteosarcoma tissue. Heat mediated antigen retrieval was performed in EDTA buffer (pH 8.0, epitope retrieval solution). The tissue section was blocked with 10% goat serum. The tissue section was then incubated with 1 μg/ml rabbit anti-Cathepsin K Antibody (PB9856) overnight at 4°C. Biotinylated goat anti-rabbit IgG was used as secondary antibody and incubated for 30 minutes at 37°C. The tissue section was developed using Strepavidin-Biotin-Complex (SABC) (Catalog # SA1022) with DAB as the chromogen.

Gene/Protein Information For CTSK (Source: Uniprot.org, NCBI)

Alternative Names

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 CTSK CTS02, CTSO, CTSO1, CTSO2, PKND, PYCD cathepsin K cathepsin K|cathepsin O|cathepsin O1|cathepsin O2|cathepsin X

For more info on CTSK, check out the CTSK Infographic

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In this infographic, you will see the following information for CTSK: database IDs, superfamily, protein function, synonyms, molecular weight, chromosomal locations, tissues of expression, subcellular locations, post-translational modifications, and related diseases, research areas & pathways. If you want to see more information included, or would like to contribute to it and be acknowledged, please contact [email protected].

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