BP000503-PRO-339: Human Thrombin Protein
Source: Human Plasma-derived.
The specific activity of Human Thrombin Protein was found to be 3003 NIH Units/mg.BP000503-PRO-447: Bovine Thrombin Protein
Source: Bovine Blood-derived.
The specific activity of Bovine Thrombin Protein is 2000 NIH U/mg.BP000503-PRO-617: Porcine Thrombin Protein
Source: Porcine Blood-derived.
One unit is defined as the amount of enzyme needed to cleave 1 mg of fusion protein in 16 hours to 95% completion at 20C in a buffer containing 25 mM Tris-HCl, pH 8.4, 150 mM NaCl, and 2.5 mM CaCl2.