Recombinant Mouse EPCR Protein, CF

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Recombinant Mouse EPCR Protein, CF Summary

Product Specifications

>95%, by SDS-PAGE visualized with Silver Staining and quantitative densitometry by Coomassie® Blue Staining.
Endotoxin Level
<0.10 EU per 1 μg of the protein by the LAL method.
Measured by its binding ability in a functional ELISA. When Human Activated Protein C is immobilized at 3 µg/mL (100 µL/well), the concentration of Recombinant Mouse EPCR that produces 50% of the optimal binding response is approximately 0.1-0.6 μg/mL
Mouse myeloma cell line, NS0-derived mouse EPCR protein
Leu18-Ser214, with a C-terminal 10-His tag
Accession #
N-terminal Sequence
Predicted Molecular Mass
24 kDa
36-47 kDa, reducing conditions

Product Datasheets

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Carrier Free

What does CF mean?

CF stands for Carrier Free (CF). We typically add Bovine Serum Albumin (BSA) as a carrier protein to our recombinant proteins. Adding a carrier protein enhances protein stability, increases shelf-life, and allows the recombinant protein to be stored at a more dilute concentration. The carrier free version does not contain BSA.

What formulation is right for me?

In general, we advise purchasing the recombinant protein with BSA for use in cell or tissue culture, or as an ELISA standard. In contrast, the carrier free protein is recommended for applications, in which the presence of BSA could interfere.


Formulation Lyophilized from a 0.2 μm filtered solution in PBS.
Reconstitution Reconstitute at 100 μg/mL in PBS.
Shipping 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.
  • 3 months, -20 to -70 °C under sterile conditions after reconstitution.
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Background: EPCR

The endothelial protein C receptor (EPCR), also known as CD201, is an approximately 50 kDa transmembrane glycoprotein expressed on vascular endothelial cells and functions as a negative regulator of thrombosis (1). Mature mouse EPCR consists of a 197 amino acid extracellular domain (ECD), a 21 aa transmembrane segment, and a 7 aa cytoplasmic tail (2). Within the ECD, mouse EPCR shares 65% and 85% aa sequence identity with human and rat EPCR, respectively. EPCR inhibits thrombosis through its interactions with Protein C, activated Protein C (APC), and Coagulation Factors VII, and VIIa (3, 4). It enhances the activation of Protein C in response to complexes of Thrombin-Thrombomodulin (5). In humans, a soluble form of EPCR can be produced by alternative splicing or ADAM17/TACE mediated shedding (6-9), and this protein inhibits the anti-coagulant activity of APC (10, 11). EPCR can be degraded on the surface of endothelial cells by Neutrophil Elastase (12). Activation of EPCR also protects vascular endothelial cells from Thrombin-induced apoptosis (13). EPCR binds to CD11b/CD18 (Mac-1) on monocytes and mediates monocyte adhesion to the vascular endothelium (14). In addition, EPCR binds to the antigen receptor on gamma δ T cells (15), promotes hematopoietic stem cell retention in the bone marrow (9), and binds to surface proteins of some species of Plasmodium, contributing to pathogenicity in severe malaria (16).

  1. Montes, R. et al. (2012) Thromb. Haemost. 107:815.
  2. Fukudome, K. and C.T. Esmon (1995) J. Biol. Chem. 270:5571.
  3. Fukudome, K. and C.T. Esmon (1994) J. Biol. Chem. 269:26486.
  4. Ghosh, S. et al. (2007) J. Biol. Chem. 282:11849.
  5. Stearns-Kurosawa, D.J. et al. (1996) Proc. Natl. Acad. Sci. USA 93:10212.
  6. Saposnik, B. et al. (2008) Blood 111:3442.
  7. Qu, D. et al. (2007) J. Thromb. Haemost. 5:395.
  8. Xu, J. et al. (2000) J. Biol. Chem. 275:6038.
  9. Gur-Cohen, S. et al. (2015) Nat. Med. 21:1307.
  10. Kurosawa, S. et al. (1997) J. Clin. Invest. 100:411.
  11. Liaw, P.C. et al. (2000) J. Biol. Chem. 275:5447.
  12. Villegas-Mendez, A. et al. (2007) J. Thromb. Haemost. 5:980.
  13. Bae, J.-S. et al. (2007) Blood 110:3909.
  14. Fink, K. et al. (2013) PLoS One 8:e53103.
  15. Willcox, C.R. et al. (2012) Nat. Immunol. 13:872.
  16. Turner, L. et al. (2013) Nature 498:502.
Long Name
Endothelial Protein C Receptor
Entrez Gene IDs
10544 (Human); 19124 (Mouse)
Alternate Names
APC receptor; CCCA; CCD41; CCD41centrosome-associated protein; CD201 antigen; CD201; centrocyclin; Endothelial cell protein C receptor; endothelial protein C receptor; EPCR; EPCRMGC23024; PROCR; protein C receptor, endothelial


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