Mouse Tryptase  epsilon /BSSP-4 Biotinylated Antibody

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Mouse Tryptase  epsilon /BSSP-4 Biotinylated Antibody Summary

Species Reactivity
Detects mouse Tryptase epsilon /BSSP‑4 in Western blots.
Polyclonal Goat IgG
Antigen Affinity-purified
Mouse myeloma cell line NS0-derived recombinant mouse Tryptase epsilon /BSSP‑4
Accession # Q7TML0
Lyophilized from a 0.2 μm filtered solution in PBS with BSA as a carrier protein.


Recommended Concentration
Western Blot
0.1 µg/mL
Recombinant Mouse Tryptase  epsilon /BSSP‑4 (Catalog # 2059-SE)

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.

Reconstitution Calculator

Reconstitution Calculator

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Preparation and Storage

Reconstitute at 0.2 mg/mL in sterile PBS.
Reconstitution Buffer Available
Reconstitution Buffer 1 (PBS)
Catalog #
Size / Price
The product is shipped at ambient temperature. Upon receipt, store it immediately at the temperature recommended below.
Stability & Storage
Use a manual defrost freezer and avoid repeated freeze-thaw cycles.
  • 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, brain specific serine protease 4 (BSSP-4) and brain serine protease 2 (BSP-2) are different names given for the same serine protease that is encoded by the PRSS22 gene (1‑3). Initially identified having brain-specific expression, mouse Tryptase epsilon is preferentially expressed in epithelium-rich tissues such as the lung and eye, which is similar to its human counterpart (3). The mouse protein is synthesized with a signal peptide (amino acid residues 1 to 32), a pro peptide (residues 33 to 49) and a mature chain (residues 50 to 306) corresponding to the serine protease domain. The full-length protein was expressed and the secreted protein purified. The N-terminal sequencing result indicates that the purified protein corresponds to the pro enzyme. After activation with thermolysin, the enzyme has low activity against peptide substrates tested, but high activity against thioester substrates. The thioester activity is inhibited by 2 mM AEBSF (R&D Systems, Catalog # EI001), a general serine protease inhibitor, and by recombinant human Serpin A5 (R&D Systems, Catalog # 1266-PI).

  1. Wong, G.W. et al. (2001) J. Biol. Chem. 276:49169.
  2. Davies, B.J. et al. (1998) J. Biol. Chem. 273:23004.
  3. Wong, G.W. et al. (2004) J. Biol. Chem. 279:2438.
Entrez Gene IDs
64063 (Human); 70835 (Mouse)
Alternate Names
BSP-2; BSSP4; BSSP-4; hBSSP-4; MGC9599; prosemin; protease, serine S1 family member 22; protease, serine, 22; PRSS22; serine protease 22; serine protease 26; SP001LA; Tryptase epsilon; UNQ302/PRO343

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