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基本情報
登録情報 | データベース: PDB / ID: 3f8u | ||||||
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タイトル | Tapasin/ERp57 heterodimer | ||||||
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![]() | IMMUNE SYSTEM/ISOMERASE / Endoplasmic reticulum / Glycoprotein / Immunoglobulin domain / Membrane / Microsome / protein disulfide isomerase / thioredoxin-like fold / Ig-like domain / beta barrel / Isomerase / Redox-active cente / IMMUNE SYSTEM-ISOMERASE COMPLEX | ||||||
機能・相同性 | ![]() MHC class Ib protein complex assembly / peptide antigen stabilization / Tapasin-ERp57 complex / Calnexin/calreticulin cycle / MHC class I protein complex binding / TAP2 binding / TAP1 binding / protein disulfide-isomerase / protein folding in endoplasmic reticulum / disulfide oxidoreductase activity ...MHC class Ib protein complex assembly / peptide antigen stabilization / Tapasin-ERp57 complex / Calnexin/calreticulin cycle / MHC class I protein complex binding / TAP2 binding / TAP1 binding / protein disulfide-isomerase / protein folding in endoplasmic reticulum / disulfide oxidoreductase activity / regulation of protein complex stability / phospholipase C activity / retrograde vesicle-mediated transport, Golgi to endoplasmic reticulum / cellular response to interleukin-7 / positive regulation of extrinsic apoptotic signaling pathway / TAP complex binding / protein disulfide isomerase activity / MHC class I protein binding / protein-disulfide reductase activity / phagocytic vesicle / extrinsic apoptotic signaling pathway / endoplasmic reticulum-Golgi intermediate compartment membrane / protein folding chaperone / response to endoplasmic reticulum stress / lumenal side of endoplasmic reticulum membrane / Antigen Presentation: Folding, assembly and peptide loading of class I MHC / peptide antigen assembly with MHC class I protein complex / MHC class I peptide loading complex / antigen processing and presentation of endogenous peptide antigen via MHC class I / peptide antigen binding / platelet aggregation / recycling endosome membrane / phagocytic vesicle membrane / unfolded protein binding / melanosome / protein folding / ER-Phagosome pathway / regulation of gene expression / protein-containing complex assembly / molecular adaptor activity / adaptive immune response / endoplasmic reticulum lumen / Golgi membrane / cysteine-type endopeptidase activity / focal adhesion / endoplasmic reticulum membrane / cell surface / endoplasmic reticulum / extracellular space / RNA binding / extracellular exosome / identical protein binding / nucleus 類似検索 - 分子機能 | ||||||
生物種 | ![]() | ||||||
手法 | ![]() ![]() ![]() | ||||||
![]() | Dong, G. / Reinisch, K.M. | ||||||
![]() | ![]() タイトル: Insights into MHC class I peptide loading from the structure of the tapasin-ERp57 thiol oxidoreductase heterodimer. 著者: Dong, G. / Wearsch, P.A. / Peaper, D.R. / Cresswell, P. / Reinisch, K.M. | ||||||
履歴 |
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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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PDBx/mmCIF形式 | ![]() | 334.2 KB | 表示 | ![]() |
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PDB形式 | ![]() | 266 KB | 表示 | ![]() |
PDBx/mmJSON形式 | ![]() | ツリー表示 | ![]() | |
その他 | ![]() |
-検証レポート
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: 54309.035 Da / 分子数: 2 / 変異: C60A / 由来タイプ: 組換発現 / 詳細: covalently linked to tapasin via sulfide bond / 由来: (組換発現) ![]() 発現宿主: ![]() ![]() 株 (発現宿主): SF21 / 参照: UniProt: P30101, protein disulfide-isomerase #2: 抗体 | 分子量: 42783.828 Da / 分子数: 2 / 由来タイプ: 組換発現 / 詳細: Asn233 glycosylated, glycan is only partly visible / 由来: (組換発現) ![]() 発現宿主: ![]() ![]() 株 (発現宿主): SF21 / 参照: UniProt: O15533 #3: 糖 | #4: 水 | ChemComp-HOH / | Has protein modification | Y | |
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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: 2.75 Å3/Da / 溶媒含有率: 55.31 % |
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結晶化 | 温度: 295 K / 手法: 蒸気拡散法, ハンギングドロップ法 / pH: 7.5 詳細: reservoir contained 100 mM HEPES (@pH 7.5), 20% PEG 3K, 200 mM CaCl2. protein was concentrated to 10mg/ml in 150 mM NaCl, 20 mM Tris (@ pH 7.4), 5% glycerol. The hanging drop was supplemented ...詳細: reservoir contained 100 mM HEPES (@pH 7.5), 20% PEG 3K, 200 mM CaCl2. protein was concentrated to 10mg/ml in 150 mM NaCl, 20 mM Tris (@ pH 7.4), 5% glycerol. The hanging drop was supplemented to contain 100 mM guanidine HCl; seeding was used to obtain larger crystals., VAPOR DIFFUSION, HANGING DROP, temperature 295K |
-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 QUANTUM 315 / 検出器: CCD / 日付: 2006年12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: 0.9795 Å / 相対比: 1 |
反射 | 解像度: 2.6→50 Å / Num. all: 63580 / Num. obs: 63580 / % possible obs: 97.4 % / Observed criterion σ(I): -2 / 冗長度: 3.7 % / Rmerge(I) obs: 0.074 / Rsym value: 0.074 / Net I/σ(I): 19.4 |
反射 シェル | 解像度: 2.6→2.69 Å / 冗長度: 3.6 % / Rmerge(I) obs: 0.207 / Mean I/σ(I) obs: 6.5 / Num. unique all: 5852 / Rsym value: 0.207 / % possible all: 91.4 |
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解析
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精密化 | 構造決定の手法: ![]()
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原子変位パラメータ | Biso mean: 63 Å2 | |||||||||||||||||||||||||
精密化ステップ | サイクル: LAST / 解像度: 2.6→20 Å
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拘束条件 |
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LS精密化 シェル | 解像度: 2.6→2.76 Å
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