- PDB-7afv: Crystal structure of tetrameric beta-2-microglobulin deltaN6 S52C... -
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基本情報
登録情報
データベース: PDB / ID: 7afv
タイトル
Crystal structure of tetrameric beta-2-microglobulin deltaN6 S52C stabilized by a covalent ligand
要素
Beta-2-microglobulin
キーワード
IMMUNE SYSTEM / beta-2-microglobulin / tetramer / covalent inhibitor
機能・相同性
機能・相同性情報
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 / cellular response to iron ion / Endosomal/Vacuolar pathway / Antigen Presentation: Folding, assembly and peptide loading of class I MHC ...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 / 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 / sensory perception of smell / positive regulation of T cell activation / positive regulation of protein binding / tertiary granule lumen / DAP12 signaling / negative regulation of neuron projection development / MHC class II protein complex binding / late endosome membrane / iron ion transport / ER-Phagosome pathway / early endosome membrane / T cell differentiation in thymus / protein refolding / protein homotetramerization / intracellular iron ion homeostasis / amyloid fibril formation / learning or memory / Amyloid fiber formation / endoplasmic reticulum lumen / lysosomal membrane / external side of plasma membrane / Golgi membrane / focal adhesion / Neutrophil degranulation / SARS-CoV-2 activates/modulates innate and adaptive immune responses / structural molecule activity / Golgi apparatus / endoplasmic reticulum / protein homodimerization activity / extracellular space / extracellular exosome / extracellular region / identical protein binding / membrane / plasma membrane / cytosol 類似検索 - 分子機能
マシュー密度: 2.47 Å3/Da / Density meas: 0.98 Mg/m3 / 溶媒含有率: 50.16 % / 解説: 2 molecules in the asymmetric unit
結晶化
温度: 293 K / 手法: 蒸気拡散法, シッティングドロップ法 / pH: 8.5 詳細: Drop protein volume 0.2 uL Drop well volume 0.1 uL 0.04 M Porpheus Alcohol Mix (Complex ingredient) 0.1 M Morpheus Buffer System 3 pH 8.5 (Buffer) 31 %w/v Morpheus Precipitant Mix 4 ...詳細: Drop protein volume 0.2 uL Drop well volume 0.1 uL 0.04 M Porpheus Alcohol Mix (Complex ingredient) 0.1 M Morpheus Buffer System 3 pH 8.5 (Buffer) 31 %w/v Morpheus Precipitant Mix 4 (Precipitant) Stock Solutions: Porpheus Alcohol Mix 0.2 M 1,6-hexanediol, 0.2 M 1-butanol, 0.2 M (RS)-1,2-propanediol, 0.2 M 2-propanol, 0.2 M 1,4-butanediol, 0.2 M 1,3-propanediol (for a final concentration of 6.7 mM of 1,6-hexanediol, 1-butanol, (RS)-1,2-propanediol, 2-propanol, 1,4-butanediol, 1,3-propanediol) Morpheus Buffer System 3 pH 8.5 1M Tris and 1M BICINE (for a final concentration of 39.1 mM Bicine pH = 5.03 and 60.9 M Tris pH = 10.83) Morpheus Precipitant Mix 25% w/v PEG 3350, 25% w/v PEG 1000, 25% v/v MPD (for a final concentration of 7.75% w/v PEG 1000, 7.75% w/v PEG 3350 and 7.75% v/v MPD)
解像度: 2.4→61.92 Å / Cor.coef. Fo:Fc: 0.948 / Cor.coef. Fo:Fc free: 0.925 / SU B: 14.782 / SU ML: 0.322 / 交差検証法: THROUGHOUT / σ(F): 0 / ESU R: 0.473 / ESU R Free: 0.302 / 立体化学のターゲット値: MAXIMUM LIKELIHOOD 詳細: HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS U VALUES : REFINED INDIVIDUALLY
Rfactor
反射数
%反射
Selection details
Rfree
0.2884
452
5 %
RANDOM
Rwork
0.2333
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-
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obs
0.2361
8519
99.77 %
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溶媒の処理
イオンプローブ半径: 0.8 Å / 減衰半径: 0.8 Å / VDWプローブ半径: 1.2 Å / 溶媒モデル: MASK