Abstract
Summary
A crude preparation of McCaslan Pole Bean phytohemagglutinin has been fractionated chromatographically on DEAE-cellulose. Hemagglutinating activity, followed by testing each fraction with an rbc panel, was found in 3 groups of fractions. In each of these groups the activity was panagglutinating and gave the same titers with each rbc used in testing.
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