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Product Info Summary
| SKU: | PB9856 |
|---|---|
| Size: | 100 μg/vial |
| Reactive Species: | Human |
| Host: | Rabbit |
| Application: | IHC, WB |
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Product info
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. The brand Picoband indicates this is a premium antibody that guarantees superior quality, high affinity, and strong signals with minimal background in Western blot applications. Only our best-performing antibodies are designated as Picoband, ensuring unmatched performance.
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
Reconstitution
Add 0.2ml of distilled water will yield a concentration of 500ug/ml.
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.
Application & Images
Applications
PB9856 is guaranteed for IHC, WB Boster Guarantee
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
Positive Control
WB: HELA whole cell, 22RV1 whole cell
IHC: human osteosarcoma tissue
Validation Images & Assay Conditions
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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.
Protein Target Info & Infographic
Gene/Protein Information For CTSK (Source: Uniprot.org, NCBI)
Gene Name
CTSK
Full Name
Cathepsin K
Weight
36966 MW
Superfamily
peptidase C1 family
Alternative Names
Cathepsin K;3.4.22.38;Cathepsin O;Cathepsin O2;Cathepsin X;CTSK;CTSO, CTSO2; CTSK CTS02, CTSO, CTSO1, CTSO2, PKND, PYCD cathepsin K cathepsin K|cathepsin O|cathepsin O1|cathepsin O2|cathepsin X
*If product is indicated to react with multiple species, protein info is based on the gene entry specified above in "Species".For more info on CTSK, check out the CTSK Infographic
We have 30,000+ of these available, one for each gene! Check them out.
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].
Specific Publications For Anti-Cathepsin K/CTSK Antibody Picoband® (PB9856)
Hello CJ!
PB9856 has been cited in 2 publications:
*The publications in this section are manually curated by our staff scientists. They may differ from Bioz's machine gathered results. Both are accurate. If you find a publication citing this product but is missing from this list, please let us know we will issue you a thank-you coupon.
Cathepsin B deficiency ameliorates liver lipid deposition, inflammatory cell infiltration, and fibrosis after diet-induced nonalcoholic steatohepatitis
Wang J, You H, Qi J, Yang C, Ren Y, Cheng H. Oncotarget. 2017 Mar 7;8(10):17012-17026. doi: 10.18632/oncotarget.15222. Autocrine and paracrine STIP1 signaling promote osteolytic bone metastasis in renal cell carcinoma
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Customer Q&As
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3 Customer Q&As for Anti-Cathepsin K/CTSK Antibody Picoband®
Question
Can you help my question with product PB9856, anti-Cathepsin K/CTSK antibody. I was wondering if it would be possible to conjugate this antibody with biotin. I would need it to be without BSA or sodium azide. I am planning on using a buffer exchange of sodium azide with PBS only. Would there be problems for me to conjugate the antibody and store it in -20 degrees in small aliquots?
Verified Customer
Verified customer
Asked: 2019-07-11
Answer
We do not recommend storing this antibody with PBS buffer only in -20 degrees. If you want to store it in -20 degrees it is best to add some cryoprotectant like glycerol. If you want carrier free PB9856 anti-Cathepsin K/CTSK antibody, we can provide it to you in a special formula with trehalose and/or glycerol. These molecules will not interfere with conjugation chemistry and provide a good level of protection for the antibody from degradation. Please be sure to specify this in your purchase order.
Boster Scientific Support
Answered: 2019-07-11
Question
Would anti-Cathepsin K/CTSK antibody PB9856 work on dog IHC with bone?
N. Li
Verified customer
Asked: 2018-03-16
Answer
Our lab technicians have not tested anti-Cathepsin K/CTSK antibody PB9856 on dog. You can run a BLAST between dog and the immunogen sequence of anti-Cathepsin K/CTSK antibody PB9856 to see if they may cross-react. If the sequence homology is close, then you can perform a pilot test. Keep in mind that since we have not validated dog samples, this use of the antibody is not covered by our guarantee. However we have an innovator award program that if you test this antibody and show it works in dog bone in IHC, you can get your next antibody for free.
Boster Scientific Support
Answered: 2018-03-16
Question
We are currently using anti-Cathepsin K/CTSK antibody PB9856 for human tissue, and we are well pleased with the IHC results. The species of reactivity given in the datasheet says human. Is it true that the antibody can work on feline tissues as well?
C. Zhang
Verified customer
Asked: 2017-11-22
Answer
The anti-Cathepsin K/CTSK antibody (PB9856) has not been tested for cross reactivity specifically with feline tissues, though there is a good chance of cross reactivity. We have an innovator award program that if you test this antibody and show it works in feline you can get your next antibody for free. Please contact me if I can help you with anything.
Boster Scientific Support
Answered: 2017-11-22
