Lyophilized from sterile PBS, pH 7.4, 5 % trehalose and 5 % mannitol.
Molecular Mass
Recombinant Human AFP consists of 602 amino acids and has a predicted molecular mass of 67.9 kDa. In SDS-PAGE under reducing conditions, the apparent molecular mass of rhAFP is approximately 65 kDa.
Endotoxin
< 1.0 EU per 1 microgram of protein (determined by LAL method).
Purity
> 97 % by SDS-PAGE.
BACKGROUND
Background
Binds copper, nickel, and fatty acids as well as, and bilirubin less well than, serum albumin. Only a small percentage (less than 2%) of the human AFP shows estrogen-binding properties.
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