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20 mM imidazole pH 6.8, 5mM β-mercaptoethanol, 1 mM EDTA, 1mM EGTA, 30% glycerol

>=95% by SDS-PAGE

MW 110,000

Human Erythrocytes

Shown to be non reactive for HBsAg, anti-HCV, anti-HBc, and negative for anti-HIV 1 & 2 by FDA approved tests

> 1 year

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