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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: 1lo5 | ||||||
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タイトル | Crystal structure of the D227A variant of Staphylococcal enterotoxin A in complex with human MHC class II | ||||||
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![]() | IMMUNE SYSTEM/Toxin / PROTEIN-PROTEIN COMPLEX / IMMUNE SYSTEM-Toxin COMPLEX | ||||||
機能・相同性 | ![]() regulation of interleukin-4 production / regulation of interleukin-10 production / 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 / MHC class II protein binding ...regulation of interleukin-4 production / regulation of interleukin-10 production / 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 / MHC class II protein binding / antigen processing and presentation of peptide or polysaccharide antigen via MHC class II / positive regulation of T cell mediated immune response to tumor cell / positive regulation of kinase activity / positive regulation of memory T cell differentiation / CD4 receptor binding / positive regulation of monocyte differentiation / inflammatory response to antigenic stimulus / intermediate filament / T-helper 1 type immune response / transport vesicle membrane / Translocation of ZAP-70 to Immunological synapse / Phosphorylation of CD3 and TCR zeta chains / polysaccharide binding / negative regulation of type II interferon production / humoral immune response / macrophage differentiation / positive regulation of insulin secretion involved in cellular response to glucose stimulus / Generation of second messenger molecules / immunological synapse / Co-inhibition by PD-1 / epidermis development / detection of bacterium / T cell receptor binding / negative regulation of T cell proliferation / MHC class II antigen presentation / trans-Golgi network membrane / lumenal side of endoplasmic reticulum membrane / protein tetramerization / peptide antigen assembly with MHC class II protein complex / negative regulation of inflammatory response to antigenic stimulus / MHC class II protein complex / clathrin-coated endocytic vesicle membrane / ER to Golgi transport vesicle membrane / antigen processing and presentation of exogenous peptide antigen via MHC class II / positive regulation of immune response / peptide antigen binding / structural constituent of cytoskeleton / positive regulation of T cell mediated cytotoxicity / positive regulation of T cell activation / cognition / Interferon gamma signaling / MHC class II protein complex binding / endocytic vesicle membrane / late endosome membrane / Downstream TCR signaling / T cell receptor signaling pathway / positive regulation of protein phosphorylation / toxin activity / early endosome membrane / adaptive immune response / positive regulation of canonical NF-kappaB signal transduction / positive regulation of viral entry into host cell / lysosome / positive regulation of ERK1 and ERK2 cascade / positive regulation of MAPK cascade / immune response / Golgi membrane / external side of plasma membrane / lysosomal membrane / positive regulation of DNA-templated transcription / cell surface / signal transduction / extracellular space / extracellular exosome / extracellular region / metal ion binding / membrane / plasma membrane 類似検索 - 分子機能 | ||||||
生物種 | ![]() ![]() ![]() | ||||||
手法 | ![]() ![]() ![]() | ||||||
![]() | Petersson, K. / Thunnissen, M. / Forsberg, G. / Walse, B. | ||||||
![]() | ![]() タイトル: Crystal Structure of a SEA Variant in Complex with MHC Class II Reveals the Ability of SEA to Crosslink MHC Molecules 著者: Petersson, K. / Thunnissen, M. / Forsberg, G. / Walse, B. | ||||||
履歴 |
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構造の表示
構造ビューア | 分子: ![]() ![]() |
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PDBx/mmCIF形式 | ![]() | 126.5 KB | 表示 | ![]() |
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PDB形式 | ![]() | 100.1 KB | 表示 | ![]() |
PDBx/mmJSON形式 | ![]() | ツリー表示 | ![]() | |
その他 | ![]() |
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アーカイブディレクトリ | ![]() ![]() | HTTPS FTP |
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-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: 21155.904 Da / 分子数: 1 / 断片: extracellular domain / 由来タイプ: 組換発現 / 由来: (組換発現) ![]() ![]() ![]() |
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#2: タンパク質 | 分子量: 22080.664 Da / 分子数: 1 / 断片: extracellular domain / 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: 1506.807 Da / 分子数: 1 / 由来タイプ: 合成 詳細: this sequence is Peptide from influenza virus, hemagglutinin peptide |
#4: タンパク質 | 分子量: 27086.295 Da / 分子数: 1 / Mutation: D227A / 由来タイプ: 組換発現 由来: (組換発現) ![]() ![]() プラスミド: pLR16 / 遺伝子 (発現宿主): K12 / 発現宿主: ![]() ![]() |
#5: 水 | ChemComp-HOH / |
Has protein modification | Y |
-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: 2.72 Å3/Da / 溶媒含有率: 54.72 % | ||||||||||||||||||||||||||||||||||||||||||
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結晶化 | 温度: 291 K / 手法: 蒸気拡散法, ハンギングドロップ法 / pH: 6.5 詳細: 0.2M (NH4)2SO4, 0.1M MES, 24%(w/v) polyethylen glycol monomethyl ether 5000, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 291K | ||||||||||||||||||||||||||||||||||||||||||
結晶化 | *PLUS 手法: 蒸気拡散法 | ||||||||||||||||||||||||||||||||||||||||||
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: MARRESEARCH / 検出器: CCD / 日付: 2002年2月13日 |
放射 | モノクロメーター: Si 111 monochromator / 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: 1.076 Å / 相対比: 1 |
反射 | 解像度: 3.2→30 Å / Num. all: 12279 / Num. obs: 12279 / % possible obs: 91.6 % / Observed criterion σ(F): 0 / Observed criterion σ(I): 0 / 冗長度: 3.1 % / Biso Wilson estimate: 46.2 Å2 / Rmerge(I) obs: 0.101 / Rsym value: 0.101 / Net I/σ(I): 6.4 |
反射 シェル | 解像度: 3.2→3.37 Å / 冗長度: 2.8 % / Rmerge(I) obs: 0.246 / Mean I/σ(I) obs: 3.1 / Num. unique all: 4777 / Rsym value: 0.246 / % possible all: 87.9 |
反射 | *PLUS 最低解像度: 30 Å / Num. obs: 38082 |
反射 シェル | *PLUS % possible obs: 87.9 % / Num. unique obs: 4777 |
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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: 1esf and 1dlh 解像度: 3.2→30 Å / Rfactor Rfree error: 0.011 / Data cutoff high absF: 1275926.28 / Data cutoff low absF: 0 / 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 & Huber
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溶媒の処理 | 溶媒モデル: FLAT MODEL / Bsol: 45.3971 Å2 / ksol: 0.347189 e/Å3 | |||||||||||||||||||||||||
原子変位パラメータ | Biso mean: 43.2 Å2
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Refine analyze |
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精密化ステップ | サイクル: LAST / 解像度: 3.2→30 Å
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拘束条件 |
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LS精密化 シェル | 解像度: 3.2→3.4 Å / Rfactor Rfree error: 0.033 / Total num. of bins used: 6
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Xplor file |
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精密化 | *PLUS 最高解像度: 3.2 Å / 最低解像度: 30 Å / % reflection Rfree: 8 % | |||||||||||||||||||||||||
溶媒の処理 | *PLUS | |||||||||||||||||||||||||
原子変位パラメータ | *PLUS | |||||||||||||||||||||||||
拘束条件 | *PLUS
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LS精密化 シェル | *PLUS 最高解像度: 3.2 Å / 最低解像度: 3.37 Å |