Expression of a single major histocompatibility complex locus controls the immune complex locus controls the immune response to poly-L-(tyrosine, glutamic acid)-poly-DL-alanine--poly-L-lysine

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Abstract
Genetic control of the immune response linked to the major histocompatibility (H-2) complex in the mouse has been described for synthetic polypeptide antigens and for low doses of native proteins. The phenomenon is well documented(1,2). Extensive screening of intra-H-2 crossover-derived recombinant strains has localized H-2-linked immune response (Ir) genes to the I-immune response region of the H-2 complex (3). For most antigens, Ir genes are autosomal, dominant, and they segregate as single loci. It is not known whether these crossover-defined loci respresent single genes with multiple alleles or clusters of tightly linked genes (4).