Protein S (S for Seattle) is a vitamin K-dependent plasma glycoprotein synthesized in the endothelium. In the circulation, Protein S exists in two forms: a free form and a complex form bound to complement protein C4b-binding protein (C4BP). The best characterized function of Protein S is its role in the anti coagulation pathway, where it functions as a cofactor to Protein C in the inactivation of Factors Va and VIIIa. Only the free form has cofactor activity.
TECHNOCLOT® Protein S is a reagent kit for the quantitative determination of protein S activity in human plasma to detect inherited or acquired protein S deficiencies.
TECHNOCLOT® Protein S
2 x 3 ml Protein S Reagent
2 x 1 ml Protein S deficient plasma
|5341030||~ 40 tests|
Protein S deficient plasma
Lyophilized PS deficient plasma, immunodepleted
|5341031||2 x 1 ml|