Article
Structural basis for degenerate recognition of natural HIV peptide variants by cytotoxic lymphocytes.
The Journal of biological chemistry - 21 Jul 2006
Martinez-Hackert Erik, Anikeeva Nadia, Kalams Spyros A, Walker Bruce D, Hendrickson Wayne A, Sykulev Yuri
Abstract excerpt
It is well established that even small changes in amino acid side chains of antigenic peptide bound to major histocompatibility complex (MHC) protein may completely abrogate recognition of the peptide-MHC (pMHC) complex by the T cell receptor (TCR). Often, however, several nonconservative substitutions in the peptide antigen are accommodated and do not impair its recognition by TCR. For example, a preponderance...
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