+データを開く
-基本情報
登録情報 | データベース: PDB / ID: 3mrq | ||||||
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タイトル | Crystal Structure of MHC class I HLA-A2 molecule complexed with Melan-A MART1 decapeptide variant | ||||||
要素 |
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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 / positive regulation of CD8-positive, alpha-beta T cell activation / CD8-positive, alpha-beta T cell activation / Golgi medial cisterna / positive regulation of CD8-positive, alpha-beta T cell proliferation / CD8 receptor binding / Regulation of MITF-M-dependent genes involved in pigmentation ...melanosome membrane / positive regulation of memory T cell activation / T cell mediated cytotoxicity directed against tumor cell target / TAP complex binding / positive regulation of CD8-positive, alpha-beta T cell activation / CD8-positive, alpha-beta T cell activation / Golgi medial cisterna / positive regulation of CD8-positive, alpha-beta T cell proliferation / CD8 receptor binding / Regulation of MITF-M-dependent genes involved in pigmentation / antigen processing and presentation of exogenous peptide antigen via MHC class I / 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 / beta-2-microglobulin binding / T cell receptor binding / detection of bacterium / positive regulation of ferrous iron binding / positive regulation of transferrin receptor binding / positive regulation of receptor binding / early endosome lumen / Nef mediated downregulation of MHC class I complex cell surface expression / negative regulation of receptor binding / DAP12 interactions / antigen processing and presentation of endogenous peptide antigen via MHC class Ib / antigen processing and presentation of endogenous peptide antigen via MHC class I via ER pathway, TAP-independent / cellular response to iron ion / Endosomal/Vacuolar pathway / Antigen Presentation: Folding, assembly and peptide loading of class I MHC / lumenal side of endoplasmic reticulum membrane / cellular response to iron(III) ion / antigen processing and presentation of exogenous protein antigen via MHC class Ib, TAP-dependent / negative regulation of forebrain neuron differentiation / trans-Golgi network / regulation of erythrocyte differentiation / peptide antigen assembly with MHC class I protein complex / ER to Golgi transport vesicle membrane / 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 / positive regulation of T cell cytokine production / antigen processing and presentation of endogenous peptide antigen via MHC class I / MHC class I protein complex / negative regulation of neurogenesis / positive regulation of receptor-mediated endocytosis / peptide antigen assembly with MHC class II protein complex / multicellular organismal-level iron ion homeostasis / MHC class II protein complex / cellular response to nicotine / specific granule lumen / positive regulation of cellular senescence / positive regulation of T cell mediated cytotoxicity / positive regulation of type II interferon production / recycling endosome membrane / phagocytic vesicle membrane / peptide antigen binding / antigen processing and presentation of exogenous peptide antigen via MHC class II / negative regulation of epithelial cell proliferation / Immunoregulatory interactions between a Lymphoid and a non-Lymphoid cell / positive regulation of immune response / Interferon gamma signaling / Modulation by Mtb of host immune system / positive regulation of T cell activation / Interferon alpha/beta signaling / sensory perception of smell / melanosome / negative regulation of neuron projection development / positive regulation of protein binding / tertiary granule lumen / E3 ubiquitin ligases ubiquitinate target proteins / DAP12 signaling / antibacterial humoral response / MHC class II protein complex binding / late endosome membrane / T cell receptor signaling pathway / iron ion transport / ER-Phagosome pathway / T cell differentiation in thymus / early endosome membrane / protein refolding / protein homotetramerization / intracellular iron ion homeostasis / amyloid fibril formation / learning or memory / defense response to Gram-positive bacterium / immune response / Amyloid fiber formation / endoplasmic reticulum lumen / lysosomal membrane / Golgi membrane / external side of plasma membrane / innate immune response / signaling receptor binding / focal adhesion / Neutrophil degranulation / endoplasmic reticulum membrane / SARS-CoV-2 activates/modulates innate and adaptive immune responses 類似検索 - 分子機能 | ||||||
生物種 | Homo sapiens (ヒト) | ||||||
手法 | X線回折 / シンクロトロン / 分子置換 / 解像度: 2.2 Å | ||||||
データ登録者 | Reiser, J.-B. / Le Gorrec, M. / Chouquet, A. / Debeaupuis, E. / Echasserieau, K. / Saulquin, X. / Bonneville, M. / Housset, D. | ||||||
引用 | ジャーナル: To be Published タイトル: Crystal Structure of MHC class I HLA-A2 molecule complexed with Melan-A MART1 decapeptide variant 著者: Reiser, J.-B. / Le Gorrec, M. / Chouquet, A. / Debeaupuis, E. / Echasserieau, K. / Saulquin, X. / Bonneville, M. / Housset, D. | ||||||
履歴 |
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-構造の表示
構造ビューア | 分子: MolmilJmol/JSmol |
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-ダウンロードとリンク
-ダウンロード
PDBx/mmCIF形式 | 3mrq.cif.gz | 94.4 KB | 表示 | PDBx/mmCIF形式 |
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PDB形式 | pdb3mrq.ent.gz | 70.6 KB | 表示 | PDB形式 |
PDBx/mmJSON形式 | 3mrq.json.gz | ツリー表示 | PDBx/mmJSON形式 | |
その他 | その他のダウンロード |
-検証レポート
文書・要旨 | 3mrq_validation.pdf.gz | 440.3 KB | 表示 | wwPDB検証レポート |
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文書・詳細版 | 3mrq_full_validation.pdf.gz | 441.1 KB | 表示 | |
XML形式データ | 3mrq_validation.xml.gz | 16 KB | 表示 | |
CIF形式データ | 3mrq_validation.cif.gz | 22.5 KB | 表示 | |
アーカイブディレクトリ | https://data.pdbj.org/pub/pdb/validation_reports/mr/3mrq ftp://data.pdbj.org/pub/pdb/validation_reports/mr/3mrq | HTTPS FTP |
-関連構造データ
-リンク
-集合体
登録構造単位 |
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単位格子 |
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-要素
#1: タンパク質 | 分子量: 34008.711 Da / 分子数: 1 / 断片: HLA-A*0201 alpha chain, UNP resiude 25-300 / 変異: A245V / 由来タイプ: 組換発現 詳細: C-terminal biotin acceptor peptide sequence tag (GSLHHILDAQKMVWNHR) 由来: (組換発現) Homo sapiens (ヒト) / 遺伝子: HLA, HLA-A, HLAA / プラスミド: pHN1 / 発現宿主: Escherichia coli (大腸菌) / 株 (発現宿主): X90F LAQQ1 / 参照: UniProt: P01892, UniProt: P04439*PLUS |
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#2: タンパク質 | 分子量: 11879.356 Da / 分子数: 1 / 由来タイプ: 組換発現 / 由来: (組換発現) Homo sapiens (ヒト) / 遺伝子: B2M, BETA-2 MICROGLUBULIN, CDABP0092, HDCMA22P / プラスミド: pHN1 / 発現宿主: Escherichia coli (大腸菌) / 株 (発現宿主): X90F LAQQ1 / 参照: UniProt: P61769 |
#3: タンパク質・ペプチド | 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 |
#4: 水 | ChemComp-HOH / |
配列の詳細 | FOR THE MELAN-A MART1 DECAPEPTID |
-実験情報
-実験
実験 | 手法: X線回折 / 使用した結晶の数: 1 |
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-試料調製
結晶 | マシュー密度: 2.87 Å3/Da / 溶媒含有率: 57.19 % |
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結晶化 | 温度: 293 K / 手法: 蒸気拡散法, ハンギングドロップ法 / pH: 6.5 詳細: 17% PEG 6000, 0.1M NaCitrate, 0.1M NaCl, 2.61mg/ml protein conc., pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K |
-データ収集
回折 | 平均測定温度: 100 K | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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放射光源 | 由来: シンクロトロン / サイト: ESRF / ビームライン: ID23-1 / 波長: 0.95 Å | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
検出器 | タイプ: ADSC QUANTUM 315r / 検出器: CCD / 日付: 2007年5月4日 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
放射 | プロトコル: SINGLE WAVELENGTH / 単色(M)・ラウエ(L): M / 散乱光タイプ: x-ray | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
放射波長 | 波長: 0.95 Å / 相対比: 1 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
反射 | 解像度: 2.2→50 Å / Num. obs: 28175 / % possible obs: 100 % / Observed criterion σ(I): -3 / 冗長度: 7.12 % / Biso Wilson estimate: 28.072 Å2 / Rmerge(I) obs: 0.129 / Net I/σ(I): 12.17 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
反射 シェル | Diffraction-ID: 1
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-解析
ソフトウェア |
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精密化 | 構造決定の手法: 分子置換 開始モデル: PDB ENTRY 3MRP 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.
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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 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
原子変位パラメータ | Biso max: 63.94 Å2 / Biso mean: 31.322 Å2 / Biso min: 15.61 Å2
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精密化ステップ | サイクル: LAST / 解像度: 2.2→14.84 Å
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拘束条件 |
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LS精密化 シェル | 解像度: 2.2→2.256 Å / Total num. of bins used: 20
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