Cathepsin S is a lysosomal cysteine protease of the papain family (1). It plays a major role in the processing of the MHC class II-associated invariant chain (2). It has been implicated in the pathogenesis of several diseases such as Alzheimer’s disease and degenerative disorders associated with the cells of the mononuclear phagocytic system (1). Human Cathepsin S is synthesized as a preproenzyme of 331 amino acid residues consisting a signal peptide (residues 1‑16), a pro region (residues 17‑114), and the mature enzyme (residues 115‑331) (3‑5). Cathepsin S is less abundant in tissues than Cathepsins B, L and H. The highest levels have been found in lymph nodes, spleen, macrophages and other phagocytic cells.
Human Cathepsin S Alexa Fluor™ Plus 680‑conjugated Antibody
R&D Systems | Catalog # FAB1183AFP680
Key Product Details
Species Reactivity
Human
Applications
Western Blot, Immunoprecipitation
Label
Alexa Fluor Plus 680 (Excitation = 687 nm, Emission = 704 nm)
Antibody Source
Monoclonal Rat IgG2B Clone # 248718
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Product Specifications
Specificity
Detects pro and mature forms of human Cathepsin S in direct ELISAs and Western blots. In direct ELISAs, no cross-reactivity with recombinant human Cathepsin B, C, D, L, L2/V, X/Z/P, recombinant mouse Cathepsin F, or H is observed.
Clonality
Monoclonal
Host
Rat
Isotype
IgG2B
Applications for Human Cathepsin S Alexa Fluor™ Plus 680‑conjugated Antibody
Application
Recommended Usage
Immunoprecipitation
Optimal dilution of this antibody should be experimentally determined.
Western Blot
Optimal dilution of this antibody should be experimentally determined.
Formulation, Preparation, and Storage
Formulation
Supplied 0.2 mg/mL in a saline solution containing BSA and Sodium Azide.
Shipping
The product is shipped with polar packs. Upon receipt, store it immediately at the temperature recommended below.
Stability & Storage
Protect from light. Do not freeze. 12 months from date of receipt, 2 to 8 °C as supplied
Background: Cathepsin S
References
- Kirschke, H. (2004) in Handbook of Proteolytic Enzymes (ed. Barrett, A.J. et al.) pp. 1104, Academic Press, San Diego.
- Turk, V. et al. (2001) EMBO J. 20:4629.
- Shi, G.P. et al. (1992) J. Biol. Chem. 267:7258.
- Shi, G.P. et al. (1994) J. Biol. Chem. 269:11530.
- Wiederanders, B. et al. (1992) J. Biol. Chem. 267:13708.
Alternate Names
CTSS
Entrez Gene IDs
1520 (Human)
Gene Symbol
CTSS
UniProt
Additional Cathepsin S Products
Product Documents for Human Cathepsin S Alexa Fluor™ Plus 680‑conjugated Antibody
Certificate of Analysis
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Note: Certificate of Analysis not available for kit components.
Product Specific Notices for Human Cathepsin S Alexa Fluor™ Plus 680‑conjugated Antibody
This product is provided under an intellectual property license from Life Technologies Corporation. The transfer of this product is conditioned on the buyer using the purchased product solely in research conducted by the buyer, excluding contract research or any fee for service research, and the buyer must not (1) use this product or its components for (a) diagnostic, therapeutic or prophylactic purposes; (b) testing, analysis or screening services, or information in return for compensation on a per-test basis; or (c) manufacturing or quality assurance or quality control, and/or (2) sell or transfer this product or its components for resale, whether or not resold for use in research. For information on purchasing a license to this product for purposes other than as described above, contact Life Technologies Corporation, 5781 Van Allen Way, Carlsbad, CA 92008 USA or outlicensing@thermofisher.com.
For research use only
Related Research Areas
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Protocols
Find general support by application which include: protocols, troubleshooting, illustrated assays, videos and webinars.
- Cellular Response to Hypoxia Protocols
- Immunoprecipitation Protocol
- R&D Systems Quality Control Western Blot Protocol
- Troubleshooting Guide: Western Blot Figures
- Western Blot Conditions
- Western Blot Protocol
- Western Blot Protocol for Cell Lysates
- Western Blot Troubleshooting
- Western Blot Troubleshooting Guide
- View all Protocols, Troubleshooting, Illustrated assays and Webinars
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