Multi-modal Binding of a 'Self' Peptide by HLA-B*27:04 and B*27:05 Allelic Variants, but not B*27:09 or B*27:06 Variants: Fresh Support for Some Theories Explaining Differential Disease Association.

Abstract excerpt

A self-derived-peptide with the same amino acid sequence (N-RRYLENGKETLQR-C) as residues 169-181 of the human leukocyte antigen (HLA) B27 heavy chain is known to bind to MHC Class I complexes containing the HLA-B27 heavy chain. This observation has been invoked previously in at least two different (but related) molecular explanations for the disease-association of the HLA-B27 allele. Here, we use a combination of...

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