Abstract
Small peptides, derived from endogenous proteins bind within the antigen binding groove created by the beta-pleated sheets and alpha helices of the alpha 1 and alpha 2 domains of the class I molecule of the major histocompatibility complex (MHC). However, the precise role of peptide in class I MHC conformation remains unclear. Here, we have shown that, in at least some instances, changes induced in the MHC molecule by the binding of distinct peptides can be identified as specific alterations in serological epitopes expressed on the class I protein. The nature of specific peptides expressed by class I-bearing cells may, therefore, have a dramatic influence on T cell development, self-tolerance, and alloreactivity.
MeSH Terms
Amino Acid Sequence
Animals
Antibodies, Monoclonal
Binding Sites
Cell Transformation, Viral
Histocompatibility Antigens Class I/chemistry,metabolism
Humans
Lymphoma
Major Histocompatibility Complex
Molecular Sequence Data
Mutagenesis, Site-Directed
Ovalbumin/chemistry,immunology
Peptides/chemical synthesis,chemistry
Protein Conformation
Rauscher Virus/genetics
Tumor Cells, Cultured
Chemicals
Antibodies, Monoclonal
Histocompatibility Antigens Class I
Peptides
Ovalbumin
Authors & Affiliations
4 authors, click to expand affiliations / ORCID
Bluestone J A
Department of Pathology, Ben May Institute, University of Chicago, Illinois 60637.
Jameson S
Miller S
Dick R
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