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データを開く
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基本情報
| 登録情報 | データベース: PDB / ID: 1i7t | ||||||
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| タイトル | CRYSTAL STRUCTURE OF CLASS I MHC A2 IN COMPLEX WITH PEPTIDE P1049-5V | ||||||
要素 |
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キーワード | IMMUNE SYSTEM / MHC fold | ||||||
| 機能・相同性 | 機能・相同性情報: / : / : / : / : / regulation of membrane depolarization / retina homeostasis / positive regulation of memory T cell activation / T cell mediated cytotoxicity directed against tumor cell target / TAP complex binding ...: / : / : / : / : / regulation of membrane depolarization / retina homeostasis / 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 / endoplasmic reticulum exit site / TAP binding / antigen processing and presentation of endogenous peptide antigen via MHC class I via ER pathway, TAP-dependent / 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 / positive regulation of protein binding / 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 / cellular response to iron(III) ion / MHC class II protein complex / negative regulation of forebrain neuron differentiation / antigen processing and presentation of exogenous protein antigen via MHC class Ib, TAP-dependent / iron ion transport / ER to Golgi transport vesicle membrane / peptide antigen assembly with MHC class I protein complex / regulation of iron ion transport / regulation of erythrocyte differentiation / HFE-transferrin receptor complex / response to molecule of bacterial origin / MHC class I peptide loading complex / T cell mediated cytotoxicity / positive regulation of T cell cytokine production / antigen processing and presentation of endogenous peptide antigen via MHC class I / 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 / cellular response to nicotine / positive regulation of T cell mediated cytotoxicity / multicellular organismal-level iron ion homeostasis / specific granule lumen / positive regulation of type II interferon production / phagocytic vesicle membrane / recycling endosome membrane / Interferon gamma signaling / Immunoregulatory interactions between a Lymphoid and a non-Lymphoid cell / negative regulation of epithelial cell proliferation / antimicrobial humoral immune response mediated by antimicrobial peptide / MHC class II protein complex binding / Interferon alpha/beta signaling / Modulation by Mtb of host immune system / late endosome membrane / sensory perception of smell / antibacterial humoral response / positive regulation of cellular senescence / tertiary granule lumen / DAP12 signaling / T cell differentiation in thymus / T cell receptor signaling pathway / E3 ubiquitin ligases ubiquitinate target proteins / negative regulation of neuron projection development / cellular response to lipopolysaccharide / ER-Phagosome pathway / protein refolding / early endosome membrane / defense response to Gram-negative bacterium / protein homotetramerization / amyloid fibril formation / intracellular iron ion homeostasis / learning or memory / defense response to Gram-positive bacterium / immune response / endoplasmic reticulum lumen / Amyloid fiber formation / Golgi membrane / signaling receptor binding / lysosomal membrane / innate immune response / external side of plasma membrane 類似検索 - 分子機能 | ||||||
| 生物種 | Homo sapiens (ヒト) | ||||||
| 手法 | X線回折 / 分子置換 / 解像度: 2.8 Å | ||||||
データ登録者 | Busslep, J. / Zhao, R. / Loftus, D. / Appella, E. / Collins, E.J. | ||||||
引用 | ジャーナル: J.Biol.Chem. / 年: 2001タイトル: T cell activity correlates with oligomeric peptide-major histocompatibility complex binding on T cell surface 著者: Busslep, J. / Zhao, R. / Donnini, D. / Loftus, D. / Saad, M. / Appella, E. / Collins, E.J. | ||||||
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構造の表示
| 構造ビューア | 分子: Molmil Jmol/JSmol |
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ダウンロードとリンク
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ダウンロード
| PDBx/mmCIF形式 | 1i7t.cif.gz | 161.5 KB | 表示 | PDBx/mmCIF形式 |
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| PDB形式 | pdb1i7t.ent.gz | 128.9 KB | 表示 | PDB形式 |
| PDBx/mmJSON形式 | 1i7t.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 | 1i7t_validation.pdf.gz | 464.1 KB | 表示 | wwPDB検証レポート |
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| 文書・詳細版 | 1i7t_full_validation.pdf.gz | 488.2 KB | 表示 | |
| XML形式データ | 1i7t_validation.xml.gz | 29.9 KB | 表示 | |
| CIF形式データ | 1i7t_validation.cif.gz | 40.4 KB | 表示 | |
| アーカイブディレクトリ | https://data.pdbj.org/pub/pdb/validation_reports/i7/1i7t ftp://data.pdbj.org/pub/pdb/validation_reports/i7/1i7t | HTTPS FTP |
-関連構造データ
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リンク
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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: 31854.203 Da / 分子数: 2 / 断片: EXTRACELLULAR DOMAIN, RESIDUES 25-299 / 由来タイプ: 組換発現 / 由来: (組換発現) Homo sapiens (ヒト) / 遺伝子: HLAA / プラスミド: PLM / 生物種 (発現宿主): Escherichia coli / 発現宿主: ![]() #2: タンパク質 | 分子量: 11879.356 Da / 分子数: 2 / 由来タイプ: 組換発現 / 由来: (組換発現) Homo sapiens (ヒト) / 遺伝子: B2M / プラスミド: PLM / 生物種 (発現宿主): Escherichia coli / 発現宿主: ![]() #3: タンパク質・ペプチド | 分子量: 1001.220 Da / 分子数: 2 / 由来タイプ: 合成 / 詳細: The nine residue peptide was chemically synthesized Has protein modification | Y | |
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-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: 2.48 Å3/Da / 溶媒含有率: 50.42 % | |||||||||||||||||||||||||
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| 結晶化 | 温度: 298 K / 手法: 蒸気拡散法, ハンギングドロップ法 / pH: 6.5 詳細: PEG6000, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 298K | |||||||||||||||||||||||||
| 結晶化 | *PLUS 詳細: used microseeding | |||||||||||||||||||||||||
| 溶液の組成 | *PLUS
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-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: 回転陽極 / タイプ: RIGAKU RU200 / 波長: 1.5418 |
| 検出器 | タイプ: RIGAKU RAXIS II / 検出器: IMAGE PLATE |
| 放射 | モノクロメーター: Ni filter / 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: 1.5418 Å / 相対比: 1 |
| 反射 | 解像度: 2.8→30 Å / Num. all: 20521 / Num. obs: 20521 / % possible obs: 97 % / Observed criterion σ(I): -3 / 冗長度: 3.9 % / Biso Wilson estimate: 60.2 Å2 / Rmerge(I) obs: 0.148 / Rsym value: 0.148 / Net I/σ(I): 7 |
| 反射 シェル | 解像度: 2.75→2.85 Å / Rmerge(I) obs: 0.379 / Mean I/σ(I) obs: 9 / Rsym value: 0.379 / % possible all: 96.7 |
| 反射 | *PLUS 最低解像度: 50 Å / % possible obs: 96.3 % |
| 反射 シェル | *PLUS % possible obs: 96.7 % |
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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 / 解像度: 2.8→30 Å / Isotropic thermal model: isotropic / 交差検証法: THROUGHOUT / σ(F): 0 / σ(I): 0 / 立体化学のターゲット値: Engh and Huber
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| 原子変位パラメータ | Biso mean: 13.3 Å2 | |||||||||||||||||||||||||
| Refine analyze |
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| 精密化ステップ | サイクル: LAST / 解像度: 2.8→30 Å
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| 拘束条件 |
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| ソフトウェア | *PLUS 名称: REFMAC / 分類: refinement | |||||||||||||||||||||||||
| 精密化 | *PLUS 最高解像度: 2.8 Å / 最低解像度: 30 Å / σ(F): 0 / Rfactor obs: 0.23 / % reflection Rfree: 5 % | |||||||||||||||||||||||||
| 溶媒の処理 | *PLUS | |||||||||||||||||||||||||
| 原子変位パラメータ | *PLUS Biso mean: 13.3 Å2 | |||||||||||||||||||||||||
| 拘束条件 | *PLUS タイプ: p_angle_d / Dev ideal: 1.34 |
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万見について




Homo sapiens (ヒト)
X線回折
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