vials of lyophilized protein

Thrombin Porcine, Purified Protein

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Thrombin Porcine, purified native protein, lyophilized.


Thrombin enzyme (Activated Factor IIa) is an important clotting promoter that controls the transformation of soluble fibrinogen to insoluble active fibrin strands. Thrombin is a coagulation protein and a serine protease (EC that catalyzes many coagulation-related reactions. Thrombin triggers factor-XI, factor-V, Factor-XIII and factor-VIII. Thrombin endorses platelet activation, using activation of protease-activated receptors on the platelet.


As a result of its high proteolytic specificity, thrombin has become an important biochemical protein. The thrombin cleavage site (Leu-Val-Pro-Arg-Gly-Ser) is widely used in linker regions of recombinant fusion protein constructs. After the purification of the fusion protein, thrombin is used to cleave between the Arginine and Glycine residues of the cleavage site, efficiently removing the purification tag from the protein of interest with a high degree of specificity.

Other names

Native thrombin protein, Porcine Activated Factor IIa, Factor 2A, F2, PT, RPRGL2, THPH1, coagulation factor II, EC, UniProtKB# Q19AZ8.


Purified protein


Porcine blood

CAS Registry No.



    Sterile filtered white lyophilized (freeze-dried) powder. Lyophilized powder from glycine, calcium chloride pH 7.0 containing 0.9% NaCl.


    It is recommended to reconstitute the lyophilized Thrombin in sterile 0.9% NaCl.


    Ships at ambient temperature. Upon receipt, store the product at the temperature recommended below.


    Lyophilized Thrombin, although stable at room temperature for 3 weeks, should be stored desiccated below -18°C. Upon reconstitution, Thrombin should be stored at 4°C between 2-7 days and for future use below -18°C. For long term storage it is recommended to add a carrier protein (0.1% HSA or BSA). Please avoid multiple freeze-thaw cycles.


    This product is intended for Laboratory Research Use Only. Not for use in diagnostic or therapeutic procedures. This product may not be used as a pharmaceutical or veterinary drug, agricultural product, or food additive.


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