Protein S/PROS1 Protein
Name :
Protein S/PROS1 Protein
Description :
PROS1, also known as protein S, is a vitamin K-dependent plasma protein that functions as a cofactor for the anticoagulant protease, activated protein C (APC) to inhibit blood coagulation. PROS1 has two isoforms: a free, functionally active form and an inactive form complexed with C4b-binding protein. Besides its anticoagulant function, PROS1 also acts as an agonist for the tyrosine kinase receptors Tyro3, Axl, and Mer. The endothelium expresses Tyro3, Axl, and Mer and produces protein S. The interaction of protein S with endothelial cells and particularly its effects on angiogenesis have not yet been analyzed.
Species :
Cynomolgus
Uniprotkb :
HEK293
Tag :
His
Synonyms :
protein S (alpha), protein S (α)
Construction :
A DNA sequence encoding the Cynomolgus PROS1 (A0A7N9CCZ7) (Met1-Ser676) was expressed with a polyhistidine tag at the C-terminus.
Protein Purity :
≥ 95 % as determined by SDS-PAGE. ≥ 90 % as determined by SEC-HPLC.
Molecular Weight :
Approxiamtely 74.18 kDa
Endotoxin :
Formulatione :
Lyophilized from sterile PBS, pH 7.4. Please contact us for any concerns or special requirements. Normally 5 % – 8 % trehalose, mannitol and 0. 01% Tween 80 are added as protectants before lyophilization. Please refer to the specific buffer information in the hard copy of CoA.
Reconstitution :
A hardcopy of datasheet with reconstitution instructions is sent along with the products. Please refer to it for detailed information.
Stability & Storage :
Samples are stable for up to twelve months from date of receipt at -20℃ to -80℃. 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.
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.
Research Background :
PROS1, also known as protein S, is a vitamin K-dependent plasma protein that functions as a cofactor for the anticoagulant protease, activated protein C (APC) to inhibit blood coagulation. PROS1 has two isoforms: a free, functionally active form and an inactive form complexed with C4b-binding protein. Besides its anticoagulant function, PROS1 also acts as an agonist for the tyrosine kinase receptors Tyro3, Axl, and Mer. The endothelium expresses Tyro3, Axl, and Mer and produces protein S. The interaction of protein S with endothelial cells and particularly its effects on angiogenesis have not yet been analyzed.
References and Literature :
1. Beauchamp NJ. et al., 2004, Br J Haematol. 125 (5): 647-54. 2. García de Frutos P. et al., 2007, Thromb Haemost. 98 (3): 543-56. 3. Rezende SM. et al., 2004, Blood. 103 (4): 1192-201.
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