Human Tryptase epsilon /BSSP-4 Antibody Summary
Ala33-Ser317
Accession # Q9GZN4
Applications
Please Note: Optimal dilutions should be determined by each laboratory for each application. General Protocols are available in the Technical Information section on our website.
Scientific Data
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Detection of Human Tryptase epsilon /BSSP‑4 by Western Blot. Western blot shows lysates of human pancreas tissue. PVDF membrane was probed with 2 µg/mL of Mouse Anti-Human Tryptase e/BSSP-4 Monoclonal Antibody (Catalog # MAB5047) followed by HRP-conjugated Anti-Mouse IgG Secondary Antibody (Catalog # HAF007). A specific band was detected for Tryptase e/BSSP-4 at approximately 34 kDa (as indicated). This experiment was conducted under reducing conditions and using Immunoblot Buffer Group 8.
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Tryptase epsilon /BSSP‑4 in Human Pancreas. Tryptase e/BSSP-4 was detected in immersion fixed paraffin-embedded sections of human pancreas using Mouse Anti-Human Tryptase e/BSSP-4 Monoclonal Antibody (Catalog # MAB5047) at 15 µg/mL overnight at 4 °C. Before incubation with the primary antibody, tissue was subjected to heat-induced epitope retrieval using Antigen Retrieval Reagent-Basic (Catalog # CTS013). Tissue was stained using the Anti-Mouse HRP-DAB Cell & Tissue Staining Kit (brown; Catalog # CTS002) and counterstained with hematoxylin (blue). Specific staining was localized to cytoplasm in exocrine cells. View our protocol for Chromogenic IHC Staining of Paraffin-embedded Tissue Sections.
Reconstitution Calculator
Preparation and Storage
- 12 months from date of receipt, -20 to -70 °C as supplied.
- 1 month, 2 to 8 °C under sterile conditions after reconstitution.
- 6 months, -20 to -70 °C under sterile conditions after reconstitution.
Background: Tryptase epsilon/BSSP-4
Tryptase epsilon, also known as brain-specific protease-4 (BSSP-4) and prosemin, is expressed in the brain and epithelium-rich tissues such as the lung and eye (1, 2). BSSP-4 is a serine protease related to trypsin, preferentially hydrolyzing substrates after arginine and lysine residues. However, Tryptase epsilon is less susceptible to inhibition by common trypsin inhibitors such as aprotinin, alpha 1-antitrypsin and secretory leukocyte protease inhibitor (3). Tryptase epsilon efficiently converts pro-urokinase-type plasminogen activator to its mature, active form (3).
- Wong, G.W. et al. (2004) J. Biol. Chem. 279:2438.
- Wong, G.W. et al. (2001) J. Biol. Chem. 276:49169.
- Yasuda, S. et al. (2005) Blood 105:3893.
Product Datasheets
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