+データを開く
-基本情報
登録情報 | データベース: PDB / ID: 1seb | ||||||
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タイトル | COMPLEX OF THE HUMAN MHC CLASS II GLYCOPROTEIN HLA-DR1 AND THE BACTERIAL SUPERANTIGEN SEB | ||||||
要素 |
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キーワード | COMPLEX (MHC II/PEPTIDE/TOXIN) / HISTOCOMPATIBILITY ANTIGEN / MHC II (MHCクラスII分子) / SUPERANTIGEN (スーパー抗原) / ENTEROTOXIN PEPTIDE / TOXIN (毒素) / COMPLEX (MHC II-PEPTIDE-TOXIN) COMPLEX | ||||||
機能・相同性 | 機能・相同性情報 regulation of interleukin-4 production / regulation of interleukin-10 production / positive regulation of T cell mediated immune response to tumor cell / myeloid dendritic cell antigen processing and presentation / antigen processing and presentation of endogenous peptide antigen via MHC class II / autolysosome membrane / regulation of T-helper cell differentiation / positive regulation of CD4-positive, CD25-positive, alpha-beta regulatory T cell differentiation / MHC class II receptor activity / positive regulation of CD4-positive, alpha-beta T cell activation ...regulation of interleukin-4 production / regulation of interleukin-10 production / positive regulation of T cell mediated immune response to tumor cell / myeloid dendritic cell antigen processing and presentation / antigen processing and presentation of endogenous peptide antigen via MHC class II / autolysosome membrane / regulation of T-helper cell differentiation / positive regulation of CD4-positive, CD25-positive, alpha-beta regulatory T cell differentiation / MHC class II receptor activity / positive regulation of CD4-positive, alpha-beta T cell activation / antigen processing and presentation of peptide or polysaccharide antigen via MHC class II / positive regulation of memory T cell differentiation / positive regulation of monocyte differentiation / CD4 receptor binding / positive regulation of kinase activity / inflammatory response to antigenic stimulus / 中間径フィラメント / transport vesicle membrane / T-helper 1 type immune response / polysaccharide binding / Translocation of ZAP-70 to Immunological synapse / Phosphorylation of CD3 and TCR zeta chains / positive regulation of insulin secretion involved in cellular response to glucose stimulus / 液性免疫 / macrophage differentiation / negative regulation of type II interferon production / Generation of second messenger molecules / 免疫シナプス / PD-1 signaling / epidermis development / negative regulation of inflammatory response to antigenic stimulus / negative regulation of T cell proliferation / MHC class II antigen presentation / detection of bacterium / T cell receptor binding / trans-Golgi network membrane / lumenal side of endoplasmic reticulum membrane / protein tetramerization / clathrin-coated endocytic vesicle membrane / ER to Golgi transport vesicle membrane / structural constituent of cytoskeleton / 認識 / positive regulation of T cell mediated cytotoxicity / peptide antigen assembly with MHC class II protein complex / MHC class II protein complex / peptide antigen binding / endocytic vesicle membrane / antigen processing and presentation of exogenous peptide antigen via MHC class II / Interferon gamma signaling / positive regulation of immune response / positive regulation of T cell activation / Downstream TCR signaling / MHC class II protein complex binding / late endosome membrane / toxin activity / T cell receptor signaling pathway / early endosome membrane / positive regulation of canonical NF-kappaB signal transduction / positive regulation of MAPK cascade / 獲得免疫系 / positive regulation of viral entry into host cell / リソソーム / positive regulation of ERK1 and ERK2 cascade / 免疫応答 / positive regulation of protein phosphorylation / lysosomal membrane / external side of plasma membrane / ゴルジ体 / positive regulation of DNA-templated transcription / 細胞膜 / シグナル伝達 / extracellular space / extracellular exosome / extracellular region / 生体膜 / metal ion binding / 細胞膜 類似検索 - 分子機能 | ||||||
生物種 | Homo sapiens (ヒト) Staphylococcus aureus (黄色ブドウ球菌) | ||||||
手法 | X線回折 / シンクロトロン / 解像度: 2.7 Å | ||||||
データ登録者 | Jardetzky, T.S. / Brown, J.H. / Gorga, J.C. / Stern, L.J. / Urban, R.G. / Chi, Y.I. / Stauffacher, C. / Strominger, J.L. / Wiley, D.C. | ||||||
引用 | ジャーナル: Nature / 年: 1994 タイトル: Three-dimensional structure of a human class II histocompatibility molecule complexed with superantigen. 著者: Jardetzky, T.S. / Brown, J.H. / Gorga, J.C. / Stern, L.J. / Urban, R.G. / Chi, Y.I. / Stauffacher, C. / Strominger, J.L. / Wiley, D.C. #1: ジャーナル: Proc.Natl.Acad.Sci.USA / 年: 1996 タイトル: Crystallographic Analysis of Endogenous Peptides Associated with Hla-Dr1 Suggests a Common, Polyproline II-Like Conformation for Bound Peptides 著者: Jardetzky, T.S. / Brown, J.H. / Gorga, J.C. / Stern, L.J. / Urban, R.G. / Strominger, J.L. / Wiley, D.C. | ||||||
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 | 1seb.cif.gz | 233.7 KB | 表示 | PDBx/mmCIF形式 |
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PDB形式 | pdb1seb.ent.gz | 197.5 KB | 表示 | PDB形式 |
PDBx/mmJSON形式 | 1seb.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
アーカイブディレクトリ | https://data.pdbj.org/pub/pdb/validation_reports/se/1seb ftp://data.pdbj.org/pub/pdb/validation_reports/se/1seb | HTTPS FTP |
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-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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非結晶学的対称性 (NCS) | NCS oper:
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詳細 | THE ASYMMETRIC UNIT CONTAINS A DIMER CONSISTING OF TWO HLA/DR-1 AND TWO SEB MOLECULES. THE DEPOSITORS PROVIDED A MONOMER AND THE TRANSFORMATIONS TO GENERATE THE OTHER MONOMER IN THE DIMER. THE PROTEIN DATA BANK GENERATED THE COMPLETE ASYMMETRIC UNIT USING THE TRANSFORMATIONS PROVIDED. CHAINS A, B, C, D WERE DEPOSITED AND CHAINS E, F, G, H WERE GENERATED USING THE TRANSFORMATIONS GIVEN ON MTRIX RECORDS BELOW. SEE REMARK 295 FOR ADDITIONAL DETAILS. |
-要素
#1: タンパク質 | 分子量: 21084.826 Da / 分子数: 2 / 断片: EXTRACELLULAR DOMAIN / 由来タイプ: 組換発現 / 由来: (組換発現) Homo sapiens (ヒト) / 細胞株: LG-2 / 細胞株 (発現宿主): LG-2 cells / 発現宿主: Homo sapiens (ヒト) / 参照: UniProt: P01903 #2: タンパク質 | 分子量: 22324.938 Da / 分子数: 2 / 断片: EXTRACELLULAR DOMAIN / 由来タイプ: 組換発現 / 由来: (組換発現) Homo sapiens (ヒト) / 細胞株: LG-2 / 細胞株 (発現宿主): LG-2 cells / 発現宿主: Homo sapiens (ヒト) / 参照: UniProt: P04229, UniProt: P01911*PLUS #3: タンパク質・ペプチド | 分子量: 1124.378 Da / 分子数: 2 / 由来タイプ: 天然 / 詳細: SUPERPOSITION OF MANY DIFFERENT PEPTIDES / 由来: (天然) Homo sapiens (ヒト) #4: タンパク質 | 分子量: 27793.309 Da / 分子数: 2 / 由来タイプ: 天然 由来: (天然) Staphylococcus aureus (黄色ブドウ球菌) 細胞株: LG-2 / 参照: UniProt: P01552 |
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-実験情報
-実験
実験 | 手法: X線回折 |
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-試料調製
結晶 | マシュー密度: 2.82 Å3/Da / 溶媒含有率: 55 % | ||||||||||||||||||||||||||||||
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結晶 | *PLUS | ||||||||||||||||||||||||||||||
結晶化 | *PLUS 温度: 25 ℃ / pH: 7.5 / 手法: 蒸気拡散法 | ||||||||||||||||||||||||||||||
溶液の組成 | *PLUS
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-データ収集
放射光源 | 由来: シンクロトロン / サイト: CHESS / ビームライン: F1 / 波長: 0.918 |
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検出器 | タイプ: KODAK / 検出器: IMAGE PLATE / 日付: 1991年11月1日 |
放射 | 単色(M)・ラウエ(L): M / 散乱光タイプ: x-ray |
放射波長 | 波長: 0.918 Å / 相対比: 1 |
反射 | Num. obs: 40627 / % possible obs: 86 % / 冗長度: 3.3 % / Rmerge(I) obs: 0.057 |
反射 | *PLUS 最高解像度: 2.7 Å / 最低解像度: 30 Å |
-解析
ソフトウェア |
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精密化 | 解像度: 2.7→6 Å / σ(F): 2 詳細: THERE IS SOME EVIDENCE THAT THE SECOND SEB MOLECULE IS FOUND AT LOWER OCCUPANCY IN THE LATTICE. THE DR1:SEB STRUCTURE CONTAINS A BACKBONE MODEL (REFINED AS POLYALANINE) FOR ELECTRON DENSITY ...詳細: THERE IS SOME EVIDENCE THAT THE SECOND SEB MOLECULE IS FOUND AT LOWER OCCUPANCY IN THE LATTICE. THE DR1:SEB STRUCTURE CONTAINS A BACKBONE MODEL (REFINED AS POLYALANINE) FOR ELECTRON DENSITY THAT CORRESPONDS TO A COMPLEX MIXTURE OF PEPTIDES THAT CO-PURIFY WITH THE HLA-DR1 MOLECULE (SEE REFERENCE 1 ABOVE FOR DETAILS). MHC CLASS II MOLECULES FORM VERY STABLE COMPLEXES WITH PEPTIDES AND, WHEN ISOLATED FROM HUMAN CELL LINES, HLA-DR1 MOLECULES HAVE BEEN SHOWN TO BE LOADED WITH A MIXTURE OF CELLULAR OR SERUM DERIVED PEPTIDES. THE NUMBER OF DIFFERENT PEPTIDES IS ESTIMATED TO BE ON THE ORDER OF THOUSANDS OF DIFFERENT SPECIES. IN THE CO-CRYSTAL OF HLA-DR1 WITH SEB, INTERPRETABLE ELECTRON DENSITY IS OBSERVED FOR THE BACKBONE OF A 13 AMINO ACID PEPTIDE WITH THE HLA-DR1 PEPTIDE-BINDING SITE. ALTHOUGH GOOD SIDE CHAIN DENSITY IS OBSERVED WITHIN THIS REGION, THE ELECTRON DENSITY COULD NOT BE UNAMBIGUOUSLY CORRELATED WITH ANY OF THE SEQUENCES DETERMINED FOR PEPTIDES ELUTED FROM PURIFIED HLA-DR1. THE ELECTRON DENSITY IS CONSISTENT WITH THE SUPERPOSITION OF MANY PEPTIDES WITH DIFFERENT SEQUENCES THAT ASSUME A COMMON CONFORMATION WITHIN THE HLA-DR1 PEPTIDE-BINDING SITE. THE POLYALANINE MODEL, THEREFORE, REPRESENTS A CONSENSUS CONFORMATION FOR PEPTIDE-BINDING TO HLA-DR1. IN THIS ENTRY THIS CHAIN IS PRESENTED AS CHAIN C (AND G) WITH THE RESIDUES NAMED "UNK".
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精密化ステップ | サイクル: LAST / 解像度: 2.7→6 Å
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拘束条件 |
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