Exocrine (IgA) isoagglutinins with specificity to the A-erythrocyte antigen contain both K and L type IgA subunits which retain agglutinating activity. Reductive depolymerization using NaBH4 results in the formation of free transport pieces and 7 S subunits.

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This study was supported by Grant AI-07085 from the National Institutes of Health, United States Public Health Service and by Veterans Administration Medical Research Funds.

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Copyright, 1968, by The Williams & Wilkins Company
Copyright © 1968 by The American Association of Immunologists, Inc.
1968
The Williams & Wilkins Company