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100 mM NaPO4, pH 7.3, with 1 mM 6-aminohexanoic acid and 25% glycerol

>=90% by SDS-PAGE

MW 81,000

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

> 1 year 

<= -70° C

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