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Immunological Studies on Egg White Proteins

I. Precipitation of Chicken-Ovalbumin and Conalbumin by Rabbit- and Horse-Antisera¹

From the Department of Microbiology, New York University College of Medicine, and the Departments of Physiological Chemistry and Physical Chemistry, University of Wisconsin, Madison

Abstract

1. The precipitin reactions of highly purified conalbumin and six-times recrystallized ovalbumin with their homologous horse- and rabbit-antisera have been studied.

2. Traces of impurity present in both antigens were easily detectable by immunological methods. Although the ovalbumin showed two components electrophoretically these were indistinguishable immunologically.

3. A small amount of highly antigenic impurity may appreciably distort the quantitative curve due to the major component.

Footnotes

¹ This study has been supported by grants from the Wisconsin Alumni Research Foundation and the U. S. Public Health Service.

² William Hallock Park fellow 1948. Submitted in partial fulfillment of requirements for degree of Doctor of Philosophy.