Download MendeleyThe three-dimensional structure of H-2Db at 2.4 A resolution: implications for antigen-determinant selection
Young, A.C., Zhang, W., Sacchettini, J.C., Nathenson, S.G.(1994) Cell 76: 39-50
- PubMed: 7506996
- DOI: https://doi.org/10.1016/0092-8674(94)90171-6
- Primary Citation of Related Structures:
1HOC - PubMed Abstract:
Solution at 2.4 A resolution of the structure of H-2Db with the influenza virus peptide NP366-374 (ASNEN-METM) and comparison with the H-2Kb-VSV (RGY-VYQGL) structure allow description of the molecular details of MHC class I peptide binding interactions for mice of the H-2b haplotype, revealing a strategy that maximizes the repertoire of peptides than can be presented. The H-2Db cleft has a mouse-specific hydrophobic ridge that causes a compensatory arch in the backbone of the peptide, exposing the arch residues to TCR contact and requiring the peptide to be at least 9 residues. This ridge occurs in about 40% of the known murine D and L allelic molecules, classifying them as a structural subgroup.
Organizational Affiliation:
Department of Microbiology and Immunology, Albert Einstein College of Medicine, New York, New York 10461.
