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Medical Specialties Commons

Open Access. Powered by Scholars. Published by Universities.®

University of Nebraska - Lincoln

2008

Biochemical Phenomena, Metabolism, and Nutrition

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Full-Text Articles in Medical Specialties

Conformational Changes And Flexibility In T-Cell Receptor Recognition Of Peptide–Mhc Complexes, Kathryn M. Armstrong, Kurt H. Piepenbrink, Brian M. Baker Jan 2008

Conformational Changes And Flexibility In T-Cell Receptor Recognition Of Peptide–Mhc Complexes, Kathryn M. Armstrong, Kurt H. Piepenbrink, Brian M. Baker

Food for Health: Publications

A necessary feature of the immune system, TCR (T-cell receptor) cross-reactivity has been implicated in numerous autoimmune pathologies and is an underlying cause of transplant rejection. Early studies of the interactions of αβ TCRs (T-cell receptors) with their peptide–MHC ligands suggested that conformational plasticity in the TCR CDR (complementarity determining region) loops is a dominant contributor to T-cell cross-reactivity. Since these initial studies, the database of TCRs whose structures have been solved both bound and free is now large enough to permit general conclusions to be drawn about the extent of TCR plasticity and the types and locations of motion …