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Human Trypsin-3 / PRSS3 Protein (His Tag)

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PRSS3Protein Product Information
Synonym:RP11-176F3.3, MTG, PRSS4, T9, TRY3, TRY4
Protein Construction:A DNA sequence encoding the human PRSS3 isoform c (P35030-3) (Met 1-Ser 247) was expressed, with a polyhistidine tag at the C-terminus.
Expressed Host:Human Cells
Form & Shipping:In general, recombinant proteins are provided as lyophilized powder which are shipped at ambient temperature.
Bulk packages of recombinant proteins are provided as frozen liquid. They are shipped out with blue ice unless customers require otherwise.
PRSS3Protein QC Testing
Purity:> 95 % as determined by SDS-PAGE
Bio-Activity:Measured by its ability to cleave the fluorogenic peptide substrate, Mca-RPKPVE-Nval-WRK(Dnp)-NH2 (AnaSpec, Catalog#27114) . The specific activity is >4,000 pmoles/min/μg.
Endotoxin:< 1.0 EU per μg of the protein as determined by the LAL method
Stability:Samples are stable for up to twelve months from date of receipt at -70℃
Predicted N Terminal:Val 16
Molecule Mass:The secreted recombinant pro form of the human PRSS3 consists of 243 amino acids and predictes a molecular mass of 26.6 kDa. In SDS-PAGE under reducing conditions, the apparent molecular mass of rhPRSS3 is approximately 33 kDa due to glycosylation.
Formulation:Lyophilized from sterile 50mM MES, 0.6M NaCl, pH 5.0
1. Normally 5 % - 8 % trehalose and mannitol are added as protectants before lyophilization. Specific concentrations are included in the hardcopy of COA.
2. Please contact us for any concerns or special requirements.
PRSS3Protein Usage Guide
Storage:Store it under sterile conditions at -20℃ to -80℃. It is recommended that the protein be aliquoted for optimal storage. Avoid repeated freeze-thaw cycles.
Reconstitution:A hardcopy of COA with reconstitution instruction is sent along with the products. Please refer to it for detailed information.

Trypsin-3, also known as Trypsin III, brain trypsinogen, Serine protease 3 and PRSS3, is a secreted protein which belongs to the peptidase S1 family. Trypsin-3 / PRSS3 is expressed is in pancreas and brain. It contains one peptidase S1 domain. Trypsin-3 / PRSS3 can degrade intrapancreatic trypsin inhibitors that protect against CP. Genetic variants that cause higher mesotrypsin activity might increase the risk for chronic pancreatitis (CP). A sustained imbalance of pancreatic proteases and their inhibitors seems to be important for the development of CP. The trypsin inhibitor-degrading activity qualified PRSS3 as a candidate for a novel CP susceptibility gene. Trypsin-3 / PRSS3 has been implicated as a putative tumor suppressor gene due to its loss of expression, which is correlated with promoter hypermethylation, in esophageal squamous cell carcinoma and gastric adenocarcinoma.

  • Venter JC. et al., 2001, Science 291:1304-51.
  • Marsit,CJ. et al., 2005, Mol Carcinog 44 (2):146-50.
  • Rowen, L. et al., 2005, Mol Biol Evol. 22 (8):1712-20.
  • Rosendahl, J. et al., 2010, Pancreatology. 10 (2-3):243-9
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    • Human Trypsin-3 / PRSS3 Protein (His Tag) SDS-PAGE
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