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MW: 27,100
Extinction Coefficient: 2.6

Lyophilized in 20 mM Tris, pH 8.3, with 1.5 M NaCl

A heparin-neutralizing protein which is contained in platelet storage granules. Platelet Factor 4 is released during aggregation, but its actual role in normal or abnormal hemostatis is unknown.

Storage: -20°C or lower

Purity: >=95% by SDS-PAGE

Prepared from platelets shown to be non reactive for HBsAg, anti-HCV, anti-HBc, and negative for anti-HIV 1 & 2 by FDA approved tests.

Athens Research & Technology products are laboratory reagents and are not to be administered to humans or used for any drug purpose. For research or further manufacturing use only.