- PDB-3mrq: Crystal Structure of MHC class I HLA-A2 molecule complexed with M... -
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基本情報
登録情報
データベース: PDB / ID: 3mrq
タイトル
Crystal Structure of MHC class I HLA-A2 molecule complexed with Melan-A MART1 decapeptide variant
要素
10-meric peptide from Melanoma antigen recognized by T-cells 1
Beta-2-microglobulin
HLA class I histocompatibility antigen, A-2 alpha chain
キーワード
IMMUNE SYSTEM / MHC class I / HLA / IMMUNE RESPONSE / DECAPEPTIDE / TUMORAL PEPTIDE / MELAN-A / MART1
機能・相同性
機能・相同性情報
melanosome membrane / positive regulation of memory T cell activation / T cell mediated cytotoxicity directed against tumor cell target / TAP complex binding / Golgi medial cisterna / positive regulation of CD8-positive, alpha-beta T cell activation / CD8-positive, alpha-beta T cell activation / positive regulation of CD8-positive, alpha-beta T cell proliferation / CD8 receptor binding / antigen processing and presentation of exogenous peptide antigen via MHC class I ...melanosome membrane / positive regulation of memory T cell activation / T cell mediated cytotoxicity directed against tumor cell target / TAP complex binding / Golgi medial cisterna / positive regulation of CD8-positive, alpha-beta T cell activation / CD8-positive, alpha-beta T cell activation / positive regulation of CD8-positive, alpha-beta T cell proliferation / CD8 receptor binding / antigen processing and presentation of exogenous peptide antigen via MHC class I / beta-2-microglobulin binding / Regulation of MITF-M-dependent genes involved in pigmentation / endoplasmic reticulum exit site / antigen processing and presentation of endogenous peptide antigen via MHC class I via ER pathway, TAP-dependent / TAP binding / protection from natural killer cell mediated cytotoxicity / antigen processing and presentation of endogenous peptide antigen via MHC class I via ER pathway, TAP-independent / antigen processing and presentation of endogenous peptide antigen via MHC class Ib / detection of bacterium / T cell receptor binding / negative regulation of receptor binding / early endosome lumen / Nef mediated downregulation of MHC class I complex cell surface expression / DAP12 interactions / transferrin transport / cellular response to iron ion / lumenal side of endoplasmic reticulum membrane / Endosomal/Vacuolar pathway / Antigen Presentation: Folding, assembly and peptide loading of class I MHC / peptide antigen assembly with MHC class II protein complex / antigen processing and presentation of exogenous protein antigen via MHC class Ib, TAP-dependent / cellular response to iron(III) ion / trans-Golgi network / MHC class II protein complex / negative regulation of forebrain neuron differentiation / ER to Golgi transport vesicle membrane / peptide antigen assembly with MHC class I protein complex / regulation of erythrocyte differentiation / regulation of iron ion transport / response to molecule of bacterial origin / MHC class I peptide loading complex / HFE-transferrin receptor complex / T cell mediated cytotoxicity / antigen processing and presentation of endogenous peptide antigen via MHC class I / positive regulation of T cell cytokine production / antigen processing and presentation of exogenous peptide antigen via MHC class II / positive regulation of immune response / MHC class I protein complex / positive regulation of T cell activation / peptide antigen binding / positive regulation of receptor-mediated endocytosis / negative regulation of neurogenesis / positive regulation of T cell mediated cytotoxicity / cellular response to nicotine / multicellular organismal-level iron ion homeostasis / Interferon alpha/beta signaling / Modulation by Mtb of host immune system / specific granule lumen / positive regulation of type II interferon production / phagocytic vesicle membrane / recycling endosome membrane / Immunoregulatory interactions between a Lymphoid and a non-Lymphoid cell / Interferon gamma signaling / negative regulation of epithelial cell proliferation / MHC class II protein complex binding / late endosome membrane / sensory perception of smell / antibacterial humoral response / positive regulation of cellular senescence / E3 ubiquitin ligases ubiquitinate target proteins / tertiary granule lumen / melanosome / DAP12 signaling / T cell differentiation in thymus / ER-Phagosome pathway / T cell receptor signaling pathway / negative regulation of neuron projection development / protein refolding / early endosome membrane / protein homotetramerization / amyloid fibril formation / intracellular iron ion homeostasis / learning or memory / defense response to Gram-positive bacterium / immune response / Amyloid fiber formation / endoplasmic reticulum lumen / Golgi membrane / signaling receptor binding / lysosomal membrane / innate immune response / external side of plasma membrane / focal adhesion / endoplasmic reticulum membrane / Neutrophil degranulation / SARS-CoV-2 activates/modulates innate and adaptive immune responses / structural molecule activity / cell surface / endoplasmic reticulum / Golgi apparatus 類似検索 - 分子機能
Protein melan-A / Protein melan-A / MHC class I, alpha chain, C-terminal / MHC_I C-terminus / MHC class I-like antigen recognition-like / Murine Class I Major Histocompatibility Complex, H2-DB; Chain A, domain 1 / MHC class I alpha chain, alpha1 alpha2 domains / Class I Histocompatibility antigen, domains alpha 1 and 2 / Beta-2-Microglobulin / : ...Protein melan-A / Protein melan-A / MHC class I, alpha chain, C-terminal / MHC_I C-terminus / MHC class I-like antigen recognition-like / Murine Class I Major Histocompatibility Complex, H2-DB; Chain A, domain 1 / MHC class I alpha chain, alpha1 alpha2 domains / Class I Histocompatibility antigen, domains alpha 1 and 2 / Beta-2-Microglobulin / : / MHC class I-like antigen recognition-like / MHC class I-like antigen recognition-like superfamily / MHC classes I/II-like antigen recognition protein / : / Immunoglobulin/major histocompatibility complex, conserved site / Immunoglobulins and major histocompatibility complex proteins signature. / Immunoglobulin C-Type / Immunoglobulin C1-set / Immunoglobulin C1-set domain / Ig-like domain profile. / Immunoglobulin-like domain / Immunoglobulin-like domain superfamily / Immunoglobulin-like fold / Immunoglobulins / Immunoglobulin-like / Sandwich / 2-Layer Sandwich / Mainly Beta / Alpha Beta 類似検索 - ドメイン・相同性
HLA class I histocompatibility antigen, A alpha chain / HLA class I histocompatibility antigen, A alpha chain / Beta-2-microglobulin / Melanoma antigen recognized by T-cells 1 類似検索 - 構成要素
分子量: 986.121 Da / 分子数: 1 / 断片: Melan-A MART1 protein fragment, UNP residues 26-35 / 変異: I5L/L8N / 由来タイプ: 合成 詳細: chemical synthesis; Variant of a sequence occurring in Human Melan-A MART1 protein 由来: (合成) Homo sapiens (ヒト) / 参照: UniProt: Q16655
解像度: 2.2→14.84 Å / Cor.coef. Fo:Fc: 0.936 / Cor.coef. Fo:Fc free: 0.91 / Occupancy max: 1 / Occupancy min: 0.5 / SU B: 3.75 / SU ML: 0.098 / 交差検証法: THROUGHOUT / σ(F): 0 / ESU R Free: 0.193 / 立体化学のターゲット値: MAXIMUM LIKELIHOOD 詳細: 10 to 20 refinement cycles with all observed reflections were performed at the end of the refinement procedure, in order to obtain the most accurate model. Rwork and Rfree values corresponds ...詳細: 10 to 20 refinement cycles with all observed reflections were performed at the end of the refinement procedure, in order to obtain the most accurate model. Rwork and Rfree values corresponds to the coordinates just before these very last cycles.
Rfactor
反射数
%反射
Selection details
Rfree
0.235
2801
10 %
RANDOM
Rwork
0.192
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obs
0.193
28009
100 %
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溶媒の処理
イオンプローブ半径: 0.8 Å / 減衰半径: 0.8 Å / VDWプローブ半径: 1.4 Å / 溶媒モデル: BABINET MODEL WITH MASK