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Human Pancreasin / Marapsin / PRSS27 Protein (His Tag)

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Human PRSS27 Protein Product Information
Synonym:UNQ1884/PRO4327, CAPH2, MPN
Protein Construction:A DNA sequence encoding the human PRSS27 (Q9BQR3) extracellular domain (Met 1-Lys 290) was expressed, fused with a polyhistidine tag at the C-terminus.
Expressed Host:Human Cells
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.
Human PRSS27 Protein QC Testing
Purity:> 95 % as determined by SDS-PAGE
Bio-Activity:Measured by its ability to cleave a colorimetric peptide substrate, NcarbobenzyloxyGlyArgThioBenzyl ester (ZGR-SBzl), in the presence of 5,5’Dithiobis (2-nitrobenzoic acid) (DTNB).
The specific activity is > 2000 pmols/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:Ala 23
Molecule Mass:The recombinant human PRSS27 consists of 279 amino acids and has a predicted molecular mass of 30.9 kDa. In SDS-PAGE under reducing conditions, the apparent molecular mass of rh PRSS27 is approximately 42 kDa due to glycosylation.
Formulation:Lyophilized from sterile PBS, pH 7.4
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.
Human PRSS27 Protein 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.
Human PRSS27 Protein SDS-PAGE
Human Pancreasin / Marapsin / PRSS27 Protein (His Tag) SDS-PAGE
Other PRSS27 Recombinant Protein Products
Pancreasin/Marapsin/PRSS27 Background

The name "Pancreasin" because it is transcribed strongly in the pancreas. This secreted, tryptic serine protease, also known as Marapsin or PRSS27 (Protease, serine, 27), which is a member of the peptidase S1 family. Pancreasin is inhibited by benzamidine and leupeptin but resists several classic inhibitors of trypsin. Marapsin was constitutively expressed in nonkeratinizing stratified squamous epithelia of human esophagus, tonsil, cervix, larynx, and cornea. In fact, marapsin was the second most strongly up-regulated protease in psoriatic lesions, where expression was localized to the upper region of the hyperplastic epidermis. Similarly, in the hyperproliferative epithelium of regenerating murine skin wounds, marapsin localized to the suprabasal layers, where keratinocytes undergo squamous differentiation. Marapsin's restricted expression, localization, and cytokine-inducible expression suggest a role in the terminal differentiation of keratinocytes in hyperproliferating squamous epithelia.

Human Pancreasin/Marapsin/PRSS27 References
  • Bhagwandin VJ, et al. (2003) Structure and activity of human pancreasin, a novel tryptic serine peptidase expressed primarily by the pancreas. J Biol Chem. 278(5): 3363-71.
  • Li W, et al. (2009) The serine protease marapsin is expressed in stratified squamous epithelia and is up-regulated in the hyperproliferative epidermis of psoriasis and regenerating wounds. J Biol Chem. 284(1): 218-28.
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    Catalog: 12116-H08H-10
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