DESCRIPTION:           Human Factor XI is a glycoprotein with a monomeric MW of
                                   ~80 kDa present in normal plasma
CONCENTRATION:     0.37 mg/mL determined spectrophotometrically.
STORAGE BUFFER:    4 mM Sodium Acetate; 0.15 M NaCl; pH 5.3
STORAGE:                  –80°C AVOID REPEATED FREEZE THAW CYCLES
PREPARATION:          This prep is prepared from fresh plasma using multi-step
                                     chromatographic methods.
PURITY:                       This preparation is >98% pure as determined by SDS-PAGE.
HAZARD AND SAFETY: The above protein was purified from human plasma that was
                                      tested and found negative for all communicable diseases,
                                       including HIV-1, HIV-2, Hepatitis B Surface antigen and HCV.
                                       Donors are screened for Creutzfeldt-Jakob Disease