Abstract
SummaryPartial purification of the L-E cell promoting factor from gamma globulin has been achieved with the aid of a cationic cellulose exchanger. The fraction containing L-E activity is eluted at a pH of approximately 7 and a salt concentration of 0.15M. In the process of purification, total protein nitrogen content was reduced 97% nitrogen to phosphorus ratio was reduced from 44 to 14.3 without notable reduction in biologic activity. This fraction possesses the electrophoretic, sedimentation and immunologic properties of a normal gamma globulin.
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Schedule a callMore From: Proceedings of the Society for Experimental Biology and Medicine. Society for Experimental Biology and Medicine (New York, N.Y.)
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