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T4648 Sigma

Thrombin from bovine plasma

lyophilized powder, 40-300 NIH units/mg protein (biuret)

Synonym: Factor IIa

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Description

Frequently Asked Questions

Frequently Asked Questions are available for this Product.

Analysis Note

Activity is expressed in NIH units obtained by direct comparison to a NIH Thrombin Reference Standard, Lot K.

The NIH assay procedure uses 0.2 mL of diluted plasma (1:1 with saline) as a substrate and 0.1 mL of thrombin sample (stabilized in a 1% buffered albumin solution) based on a modification of the method of Biggs. Only clotting times in the range of 15-25 seconds are used for determining thrombin concentrations.

Biochem/physiol Actions

Serine protease that selectively cleaves Arg-Gly bonds in fibrinogen to form fibrin and fibrinopeptides A and B.

General description

Thrombin is the final coagulation protease in regard to hemostasis, promoting both procoagulant and anticoagulant effects.

Other Notes

View more information on thrombin at www.sigma-aldrich.com/enzymeexplorer.

Packaging

1000, 10000, 100000 units in glass bottle

Preparation Note

Activated with bovine brain thromboplastin.

Physical form

Lyophilized powder containing sodium chloride and Tris-HCl, pH 7.0

Application

Thrombin is used for site specific cleavage of recombinant fusion proteins containing an accessible thrombin recognition site for removal of affinity tags. Thrombin has been used in a study to assess persistent hypocoagulability in patients with septic shock.

Price and Availability


Available in ELITE Grade
Safety & Documentation

Safety Information

Symbol 
Signal word 
Danger
Hazard statements 
Precautionary statements 
RIDADR 
NONH for all modes of transport
WGK Germany 
2
RTECS 
XO8950000
Protocols & Articles

Related Content

Enzymes & Proteins

Application Index | Enzyme Index | Substrate Index | Inhibitor Index | Cofactor Index | Lectin Index
Keywords: Cell signaling, Diagnostic, Drug discovery, Molecular biology

Peer-Reviewed Papers
15

References

Set your institution to view full text papers.
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