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4PRD

Crystal structure of a HLA-B*35:08-HPVG-D5

4PRD の概要
エントリーDOI10.2210/pdb4prd/pdb
関連するPDBエントリー2FYY 3VM7 4PR5 4PRA 4PRB 4PRE 4PRH 4PRI 4PRN 4PRP
分子名称MHC class I antigen, Beta-2-microglobulin, Epstein-Barr nuclear antigen 1, ... (5 entities in total)
機能のキーワードhuman leukocyte antigen class i, epstein-barr virus, viral escape, t cell receptor, viral immunity, immune system
由来する生物種Homo sapiens (human)
詳細
細胞内の位置Secreted . Note=(Microbial infection) In the presence of M: P61769
Host nucleus : Q3KSS4
タンパク質・核酸の鎖数3
化学式量合計45104.83
構造登録者
Yu Chih, L.,Rossjohn, J.,Gras, S. (登録日: 2014-03-05, 公開日: 2014-04-16, 最終更新日: 2024-10-16)
主引用文献Liu, Y.C.,Chen, Z.,Neller, M.A.,Miles, J.J.,Purcell, A.W.,McCluskey, J.,Burrows, S.R.,Rossjohn, J.,Gras, S.
A Molecular Basis for the Interplay between T Cells, Viral Mutants, and Human Leukocyte Antigen Micropolymorphism.
J.Biol.Chem., 289:16688-16698, 2014
Cited by
PubMed Abstract: Mutations within T cell epitopes represent a common mechanism of viral escape from the host protective immune response. The diverse T cell repertoire and the extensive human leukocyte antigen (HLA) polymorphism across populations is the evolutionary response to viral mutation. However, the molecular basis underpinning the interplay between HLA polymorphism, the T cell repertoire, and viral escape is unclear. Here we investigate the T cell response to a HLA-B*35:01- and HLA-B*35:08-restricted (407)HPVGEADYFEY(417) epitope from Epstein-Barr virus and naturally occurring variants at positions 4 and 5 thereof. Each viral variant differently impacted on the epitope's flexibility and conformation when bound to HLA-B*35:08 or HLA-B*35:01. We provide a molecular basis for understanding how the single residue polymorphism that discriminates between HLA-B*35:01/08 profoundly impacts on T cell receptor recognition. Surprisingly, one viral variant (P5-Glu to P5-Asp) effectively changed restriction preference from HLA-B*35:01 to HLA-B*35:08. Collectively, our study portrays the interplay between the T cell response, viral escape, and HLA polymorphism, whereby HLA polymorphism enables altered presentation of epitopes from different strains of Epstein-Barr virus.
PubMed: 24759101
DOI: 10.1074/jbc.M114.563502
主引用文献が同じPDBエントリー
実験手法
X-RAY DIFFRACTION (1.75 Å)
構造検証レポート
Validation report summary of 4prd
検証レポート(詳細版)ダウンロードをダウンロード

227561

件を2024-11-20に公開中

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