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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: 1i1y | ||||||
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タイトル | CRYSTAL STRUCTURE OF HUMAN CLASS I MHC (HLA-A2.1) COMPLEXED WITH BETA 2-MICROGLOBULIN AND HIV-RT VARIANT PEPTIDE I1Y | ||||||
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![]() | IMMUNE SYSTEM / HUMAN CLASS I MHC / HIV | ||||||
機能・相同性 | ![]() T cell mediated cytotoxicity directed against tumor cell target / positive regulation of memory T cell activation / 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 / antigen processing and presentation of exogenous peptide antigen via MHC class I / endoplasmic reticulum exit site ...T cell mediated cytotoxicity directed against tumor cell target / positive regulation of memory T cell activation / 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 / 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 / DAP12 interactions / negative regulation of receptor binding / 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 / lumenal side of endoplasmic reticulum membrane / cellular response to iron ion / Endosomal/Vacuolar pathway / Antigen Presentation: Folding, assembly and peptide loading of class I MHC / 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 / regulation of erythrocyte differentiation / ER to Golgi transport vesicle membrane / peptide antigen assembly with MHC class I protein complex / 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 / MHC class I protein complex / multicellular organismal-level iron ion homeostasis / negative regulation of neurogenesis / peptide antigen assembly with MHC class II protein complex / positive regulation of receptor-mediated endocytosis / MHC class II protein complex / cellular response to nicotine / positive regulation of T cell mediated cytotoxicity / specific granule lumen / recycling endosome membrane / phagocytic vesicle membrane / positive regulation of cellular senescence / peptide antigen binding / negative regulation of epithelial cell proliferation / antigen processing and presentation of exogenous peptide antigen via MHC class II / Immunoregulatory interactions between a Lymphoid and a non-Lymphoid cell / Interferon gamma signaling / positive regulation of immune response / Modulation by Mtb of host immune system / Interferon alpha/beta signaling / positive regulation of type II interferon production / sensory perception of smell / positive regulation of T cell activation / positive regulation of protein binding / tertiary granule lumen / E3 ubiquitin ligases ubiquitinate target proteins / DAP12 signaling / negative regulation of neuron projection development / MHC class II protein complex binding / late endosome membrane / T cell receptor signaling pathway / iron ion transport / ER-Phagosome pathway / early endosome membrane / antibacterial humoral response / T cell differentiation in thymus / 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 / external side of plasma membrane / Golgi membrane / innate immune response / focal adhesion / signaling receptor binding / Neutrophil degranulation / endoplasmic reticulum membrane / SARS-CoV-2 activates/modulates innate and adaptive immune responses / structural molecule activity / Golgi apparatus / cell surface / endoplasmic reticulum 類似検索 - 分子機能 | ||||||
生物種 | ![]() | ||||||
手法 | ![]() ![]() ![]() | ||||||
![]() | Kirksey, T.J. / Collins, E.J. | ||||||
![]() | ![]() タイトル: The structural basis for the increased immunogenicity of two HIV-reverse transcriptase peptide variant/class I major histocompatibility complexes. 著者: Kirksey, T.J. / Pogue-Caley, R.R. / Frelinger, J.A. / Collins, E.J. | ||||||
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構造の表示
構造ビューア | 分子: ![]() ![]() |
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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 | ![]() | 168.8 KB | 表示 | ![]() |
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PDB形式 | ![]() | 133.1 KB | 表示 | ![]() |
PDBx/mmJSON形式 | ![]() | ツリー表示 | ![]() | |
その他 | ![]() |
-検証レポート
文書・要旨 | ![]() | 461.8 KB | 表示 | ![]() |
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文書・詳細版 | ![]() | 485.5 KB | 表示 | |
XML形式データ | ![]() | 32.3 KB | 表示 | |
CIF形式データ | ![]() | 44.8 KB | 表示 | |
アーカイブディレクトリ | ![]() ![]() | 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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2 | ![]()
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単位格子 |
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非結晶学的対称性 (NCS) | NCS oper: (Code: given Matrix: (-0.915475, 0.402374, -0.000847), ベクター: |
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要素
#1: タンパク質 | 分子量: 31854.203 Da / 分子数: 2 / 断片: PEPTIDE-BINDING DOMAIN + ALPHA3 / 由来タイプ: 組換発現 / 由来: (組換発現) ![]() ![]() ![]() #2: タンパク質 | 分子量: 11879.356 Da / 分子数: 2 / 断片: BETA 2-MICROGLOBULIN / 由来タイプ: 組換発現 / 由来: (組換発現) ![]() ![]() ![]() #3: タンパク質・ペプチド | 分子量: 1043.215 Da / 分子数: 2 / 断片: RESIDUES 309-317 / Mutation: I1Y / 由来タイプ: 合成 #4: 水 | ChemComp-HOH / | |
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-実験情報
-実験
実験 | 手法: ![]() |
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試料調製
結晶 | マシュー密度: 4 Å3/Da / 溶媒含有率: 47 % | |||||||||||||||||||||||||
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結晶化 | 手法: 蒸気拡散法, ハンギングドロップ法 / pH: 6.5 詳細: PROTEIN WAS CRYSTALLIZED IN THE HANGING DROP VAPOR DIFFUSION METHOD. THE RESERVOIR SOLUTION CONTAINED 18% PEG8000, IN 25MM MES BUFFER, PH6.5. THE HANGING DROP WAS A 1:1 MIXTURE OF THE ...詳細: PROTEIN WAS CRYSTALLIZED IN THE HANGING DROP VAPOR DIFFUSION METHOD. THE RESERVOIR SOLUTION CONTAINED 18% PEG8000, IN 25MM MES BUFFER, PH6.5. THE HANGING DROP WAS A 1:1 MIXTURE OF THE RESERVOIR SOLUTION AND THE PROTEIN SOLUTION WHICH CONTAINED 10MG/ML PROTEIN IN 25MM MES BUFFER, PH6.5., pH 6.50, VAPOR DIFFUSION, HANGING DROP | |||||||||||||||||||||||||
結晶化 | *PLUS 詳細: drop consists of 1:1 mixture of well and protein solutions | |||||||||||||||||||||||||
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: ![]() ![]() ![]() |
検出器 | タイプ: ADSC / 検出器: CCD / 日付: 1997年5月1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: 1.0789 Å / 相対比: 1 |
反射 | 解像度: 2.2→30 Å / Num. obs: 45024 / % possible obs: 97.9 % / Observed criterion σ(I): 0 / 冗長度: 4.9 % / Biso Wilson estimate: 21.5 Å2 / Rmerge(I) obs: 0.073 / Net I/σ(I): 9.7 |
反射 シェル | 解像度: 2.2→2.24 Å / 冗長度: 2.2 % / Rmerge(I) obs: 0.231 / Mean I/σ(I) obs: 23.1 / % possible all: 96.4 |
反射 | *PLUS % possible obs: 97.9 % / Num. measured all: 222078 |
反射 シェル | *PLUS % possible obs: 96.4 % |
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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: ![]() 開始モデル: PDB ENTRY 1HHH 解像度: 2.2→15 Å / SU B: 7.8 / SU ML: 0.2 / 交差検証法: THROUGHOUT / σ(F): 0 / ESU R: 0.37 / ESU R Free: 0.26
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原子変位パラメータ | Biso mean: 21.7 Å2 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
精密化ステップ | サイクル: LAST / 解像度: 2.2→15 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 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
拘束条件 | *PLUS
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