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Human Factor IX
HFIX 1009 Human Factor IX （Christmas Factor）
Prepared from fresh frozen human plasma. This protein purity is determined by SDS-PAGE and shows no reduction upon incubation with 2-mercaptoethanol. Activity is determined via clotting assay. Human Factor IX, activated by either the Contact or Tissue Factor Pathway, is responsible for the activation of Factor X to Xa.
Buffer composition: 20 mM Tris-HCl/0.1 M NaCl /1 mM Benzamidine/pH 7.4
*Extinction Coefficient （1%） = 13.2
One unit = 5 µg
Molecular Weight = 56,000 daltons