Phosphate Buffered Saline, pH 7.4

>=95% by SDS-PAGE 

Reacts to C3 antisera on Western Blot 

Negative against C4 antisera on Western Blot

MW 138,000

Human Plasma

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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