Factor Xa, purified human protein

The Human Factor Xa was activated from Human Factor X by activation with Russell?s Viper Venom. This RVV-X was removed after activation. Complete activation is observed on SDS-PAGE. The above protein was purified from Human plasma that was tested and found negative by FDA accepted methods for Anti-HIV1/2, Anti-HTLV I and II, HBsAg, Anti-HCV, Syphilis, HBC Ab, HIV-1 p24 Ag or HIV-1 RNA, HCV RNA and HBV RNA. Donors are screened for CJD (Creutzfeldt-Jakob Disease). MW = 46 kDa.