Structure of HLA-A*1101 in complex with a hepatitis B peptide homologue.Blicher, T., Kastrup, J.S., Pedersen, L.O., Buus, S., Gajhede, M.
(2006) Acta Crystallogr Sect F Struct Biol Cryst Commun 62: 1179-1184
- PubMed: 17142892
- DOI: https://doi.org/10.1107/S1744309106044228
- Primary Citation of Related Structures:
- PubMed Abstract:
A high-resolution structure of the human MHC-I molecule HLA-A*1101 is presented in which it forms a complex with a sequence homologue of a peptide that occurs naturally in hepatitis B virus DNA polymerase. The sequence of the bound peptide is AIMPARFYPK, while that of the corresponding natural peptide is LIMPARFYPK. The peptide does not make efficient use of the middle E pocket for binding, which leads to a rather superficial and exposed binding mode for the central peptide residues. Despite this, the peptide binds with high affinity (IC50 of 31 nM).
Biostructural Research, Department of Medicinal Chemistry, The Danish University of Pharmaceutical Sciences, Universitetsparken 2, DK-2100 Copenhagen, Denmark.