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基本情報
登録情報 | データベース: PDB / ID: 1dgi | ||||||
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タイトル | Cryo-EM structure of human poliovirus(serotype 1)complexed with three domain CD155 | ||||||
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![]() | Virus/Receptor / CD155 / PVR / HUMAN POLIOVIRUS / POLIOVIRUS-RECEPTOR COMPLEX / Icosahedral virus / Virus-Receptor COMPLEX | ||||||
機能・相同性 | ![]() susceptibility to T cell mediated cytotoxicity / susceptibility to natural killer cell mediated cytotoxicity / Nectin/Necl trans heterodimerization / positive regulation of natural killer cell mediated cytotoxicity directed against tumor cell target / symbiont-mediated suppression of host translation initiation / positive regulation of natural killer cell mediated cytotoxicity / negative regulation of natural killer cell mediated cytotoxicity / heterophilic cell-cell adhesion via plasma membrane cell adhesion molecules / natural killer cell mediated cytotoxicity / homophilic cell adhesion via plasma membrane adhesion molecules ...susceptibility to T cell mediated cytotoxicity / susceptibility to natural killer cell mediated cytotoxicity / Nectin/Necl trans heterodimerization / positive regulation of natural killer cell mediated cytotoxicity directed against tumor cell target / symbiont-mediated suppression of host translation initiation / positive regulation of natural killer cell mediated cytotoxicity / negative regulation of natural killer cell mediated cytotoxicity / heterophilic cell-cell adhesion via plasma membrane cell adhesion molecules / natural killer cell mediated cytotoxicity / homophilic cell adhesion via plasma membrane adhesion molecules / symbiont-mediated suppression of host cytoplasmic pattern recognition receptor signaling pathway via inhibition of RIG-I activity / cell adhesion molecule binding / symbiont-mediated suppression of host cytoplasmic pattern recognition receptor signaling pathway via inhibition of MDA-5 activity / symbiont-mediated suppression of host cytoplasmic pattern recognition receptor signaling pathway via inhibition of MAVS activity / ribonucleoside triphosphate phosphatase activity / adherens junction / picornain 2A / symbiont-mediated suppression of host mRNA export from nucleus / symbiont genome entry into host cell via pore formation in plasma membrane / picornain 3C / T=pseudo3 icosahedral viral capsid / host cell cytoplasmic vesicle membrane / Immunoregulatory interactions between a Lymphoid and a non-Lymphoid cell / signaling receptor activity / nucleoside-triphosphate phosphatase / virus receptor activity / channel activity / monoatomic ion transmembrane transport / RNA helicase activity / receptor ligand activity / endocytosis involved in viral entry into host cell / symbiont-mediated activation of host autophagy / RNA-directed RNA polymerase / cysteine-type endopeptidase activity / viral RNA genome replication / focal adhesion / RNA-directed RNA polymerase activity / DNA-templated transcription / virion attachment to host cell / host cell nucleus / structural molecule activity / cell surface / proteolysis / extracellular space / RNA binding / zinc ion binding / ATP binding / membrane / plasma membrane / cytoplasm 類似検索 - 分子機能 | ||||||
生物種 | ![]() ![]() | ||||||
手法 | 電子顕微鏡法 / 単粒子再構成法 / クライオ電子顕微鏡法 / 解像度: 22 Å | ||||||
![]() | He, Y. / Bowman, V.D. / Mueller, S. / Bator, C.M. / Bella, J. / Peng, X. / Baker, T.S. / Wimmer, E. / Kuhn, R.J. / Rossmann, M.G. | ||||||
![]() | ![]() タイトル: Interaction of the poliovirus receptor with poliovirus. 著者: Y He / V D Bowman / S Mueller / C M Bator / J Bella / X Peng / T S Baker / E Wimmer / R J Kuhn / M G Rossmann / ![]() 要旨: The structure of the extracellular, three-domain poliovirus receptor (CD155) complexed with poliovirus (serotype 1) has been determined to 22-A resolution by means of cryo-electron microscopy and ...The structure of the extracellular, three-domain poliovirus receptor (CD155) complexed with poliovirus (serotype 1) has been determined to 22-A resolution by means of cryo-electron microscopy and three-dimensional image-reconstruction techniques. Density corresponding to the receptor was isolated in a difference electron density map and fitted with known structures, homologous to those of the three individual CD155 Ig-like domains. The fit was confirmed by the location of carbohydrate moieties in the CD155 glycoprotein, the conserved properties of elbow angles in the structures of cell surface molecules with Ig-like folds, and the concordance with prior results of CD155 and poliovirus mutagenesis. CD155 binds in the poliovirus "canyon" and has a footprint similar to that of the intercellular adhesion molecule-1 receptor on human rhinoviruses. However, the orientation of the long, slender CD155 molecule relative to the poliovirus surface is quite different from the orientation of intercellular adhesion molecule-1 on rhinoviruses. In addition, the residues that provide specificity of recognition differ for the two receptors. The principal feature of receptor binding common to these two picornaviruses is the site in the canyon at which binding occurs. This site may be a trigger for initiation of the subsequent uncoating step required for viral infection. #1: ![]() タイトル: The Structure of the Two Amino-Terminal Domain of Human Icam-1 Suggests How It Functions as a Rhinovirus Receptor and as an Lfa-1 Integrin Ligand 著者: Bella, J. / Kolatkar, P. / Marlor, C.W. / Greve, J. / Rossmann, M.G. #2: ![]() タイトル: Three-Dimensional Structure of Poliovirus at 2.9A Resolution 著者: Hogle, J. / Chow, M. / Filman, D.J. | ||||||
履歴 |
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構造の表示
ムービー |
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構造ビューア | 分子: ![]() ![]() |
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PDBx/mmCIF形式 | ![]() | 61 KB | 表示 | ![]() |
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PDB形式 | ![]() | 30.4 KB | 表示 | ![]() |
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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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対称性 | 点対称性: (ヘルマン・モーガン記号: 532 / シェーンフリース記号: I (正20面体型対称)) |
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要素
#1: タンパク質 | 分子量: 32928.160 Da / 分子数: 1 / 断片: THREE EXTRACELLULAR DOMAINS OF CD155 / 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: 31874.705 Da / 分子数: 1 / 由来タイプ: 組換発現 由来: (組換発現) ![]() 属: Enterovirus / 生物種: Poliovirus / Cell (発現宿主): HELA CELLS / 発現宿主: ![]() |
#3: タンパク質 | 分子量: 29664.332 Da / 分子数: 1 / 由来タイプ: 組換発現 由来: (組換発現) ![]() 属: Enterovirus / 生物種: Poliovirus / Cell (発現宿主): HELA CELLS / 発現宿主: ![]() |
#4: タンパク質 | 分子量: 26235.115 Da / 分子数: 1 / 由来タイプ: 組換発現 由来: (組換発現) ![]() 属: Enterovirus / 生物種: Poliovirus / Cell (発現宿主): HELA CELLS / 発現宿主: ![]() |
#5: タンパク質 | 分子量: 6983.754 Da / 分子数: 1 / 断片: POLIOVIRUS FRAGMENTS VP1,VP2,VP3,VP4 / 由来タイプ: 組換発現 由来: (組換発現) ![]() 属: Enterovirus / 生物種: Poliovirus / Cell (発現宿主): HELA CELLS / 発現宿主: ![]() |
-実験情報
-実験
実験 | 手法: 電子顕微鏡法 |
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EM実験 | 試料の集合状態: PARTICLE / 3次元再構成法: 単粒子再構成法 |
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試料調製
構成要素 | 名称: human poliovirus(serotype 1)complexed with three domain CD155 タイプ: COMPLEX |
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緩衝液 | pH: 7.5 |
試料 | 包埋: NO / シャドウイング: NO / 染色: NO / 凍結: YES |
急速凍結 | 詳細: POLIOVIRUS WAS INCUBATED WITH CD155-AP FOR 1 HOURS AT 4 DEGREES CELSIUS (277 KELVIN) USING A EIGHT-FOLD EXCESS OF CD155-AP FOR EACH OF THE SIXTY POSSIBLE BINDING SITES PER VIRION. AFTER ...詳細: POLIOVIRUS WAS INCUBATED WITH CD155-AP FOR 1 HOURS AT 4 DEGREES CELSIUS (277 KELVIN) USING A EIGHT-FOLD EXCESS OF CD155-AP FOR EACH OF THE SIXTY POSSIBLE BINDING SITES PER VIRION. AFTER INCUBATION, SAMPLES WERE PREPARED AS THIN LAYERS OF VITREOUS ICE AND MAINTAINED AT NEAR LIQUID NITROGEN TEMPERATURE IN THE ELECTRON MICROSCOPE WITH A GATAN 626 CRYOTRANSFER HOLDER. |
結晶化 | pH: 7.5 詳細: WARNING: THIS IS AN ELECTRON MICROSCOPY MODEL DEPOSITION. CRYO-EM INFORMATION HAS BEEN INCLUDED IN THE FORM OF REMARK 250 RECORDS AT THE TOP OF THE PDB COORDINATE FILE., pH 7.5, ELECTRON MICROSCOPY RECONSTRUCTION |
結晶化 | *PLUS 手法: unknown / 詳細: electron microscopy |
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電子顕微鏡撮影
顕微鏡 | モデル: FEI/PHILIPS CM200FEG / 日付: 1999年6月1日 |
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電子銃 | 電子線源: ![]() |
電子レンズ | モード: BRIGHT FIELD / 倍率(公称値): 38000 X / 最大 デフォーカス(公称値): 2100 nm / 最小 デフォーカス(公称値): 1300 nm |
試料ホルダ | 温度: 120 K |
撮影 | 電子線照射量: 20 e/Å2 / フィルム・検出器のモデル: KODAK SO-163 FILM |
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解析
EMソフトウェア | 名称: PURDUE PROGRAMS / カテゴリ: 3次元再構成 | ||||||||||||
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対称性 | 点対称性: I (正20面体型対称) | ||||||||||||
3次元再構成 | 手法: COMMON-LINES AND POLAR-FOURIER-TRANSFORM FULLER ET AL. 1996, J.STRUC.BIOL.c 116, 48-55; BAKER AND CHENG, 1996, J.STRUC.BIOL. 116, 120-130 解像度: 22 Å / 解像度の算出法: OTHER / 粒子像の数: 1156 / ピクセルサイズ(実測値): 3.68 Å 倍率補正: THE PIXEL SIZE OF THE CRYO-EM MAP WAS CALIBRATED AGAINST A LOW RESOLUTION DENSITY MAP CALCULATED FROM THE CRYSTAL STRUCTURE OF POLIOVIRUS. DENSITIES WERE COMPARED BY CROSS- CORRELATION ...倍率補正: THE PIXEL SIZE OF THE CRYO-EM MAP WAS CALIBRATED AGAINST A LOW RESOLUTION DENSITY MAP CALCULATED FROM THE CRYSTAL STRUCTURE OF POLIOVIRUS. DENSITIES WERE COMPARED BY CROSS- CORRELATION WITHIN A SPHERICAL SHELL OF INTERNAL RADIUS 110 ANGSTROMS AND EXTERNAL RADIUS OF 145 ANGSTROMS. 詳細: THE RESOLUTION OF THE FINAL RECONSTRUCTED DENSITY WAS DETERMINED TO BE AT LEAST 22 ANGSTROMS, AS MEASURED BY RANDOMLY SPLITTING THE PARTICLES INTO TWO SETS AND COMPARING STRUCTURE FACTORS ...詳細: THE RESOLUTION OF THE FINAL RECONSTRUCTED DENSITY WAS DETERMINED TO BE AT LEAST 22 ANGSTROMS, AS MEASURED BY RANDOMLY SPLITTING THE PARTICLES INTO TWO SETS AND COMPARING STRUCTURE FACTORS OBTAINED FROM SEPARATE RECONSTRUCTIONS (BAKER ET AL. 1991, BIOPHYS.J. 60, 1445-1456). THE EIGENVALUE SPECTRUM GAVE AN INDICATION OF THE RANDOMNESS OF THE DATA THAT WAS INCLUDED IN THE RECONSTRUCTION. THE COMPLETENESS OF THE DATA WAS VERIFIED IN THAT ALL EIGENVALUES EXCEEDED 1.0. 対称性のタイプ: POINT | ||||||||||||
原子モデル構築 | プロトコル: OTHER / 空間: REAL / Target criteria: VISUAL AGREEMENT 詳細: METHOD--MANUAL REFINEMENT PROTOCOL--MANUAL ADJUSTMENT DETAILS--THE CRYSTAL STRUCTURE OF POLIOVIRUS WAS PLACED INTO THE CALIBRATED CRYO-EM DENSITY MAP BY ALIGNING THE ICOSAHEDRAL SYMMETRY AXES. ...詳細: METHOD--MANUAL REFINEMENT PROTOCOL--MANUAL ADJUSTMENT DETAILS--THE CRYSTAL STRUCTURE OF POLIOVIRUS WAS PLACED INTO THE CALIBRATED CRYO-EM DENSITY MAP BY ALIGNING THE ICOSAHEDRAL SYMMETRY AXES. APPROPRIATELY GLYCOSYLATED MODELS OF CD155 WITH VARIOUS INTERDOMAIN ANGLES WERE MANUALLY FITTED INTO THE DIFFERENCE DENSITY CALCULAT BY SUBSTRACTING POLIOVIRUS NATIVE RECONSTRUCTION FROM THE COMPLEX RECONSTRUCTION. THE COORDINATES ARE IN THE P, Q, R FRAME IN ANGSTROM UNITS AND CORRESPOND TO ICOSAHEDRAL SYMMETRY AXES. THE ORIGIN IS CHOSEN AT THE CENTER OF THE VIRUS WITH P, Q AND R ALONG MUTUALLY PERPENDICULAR TWO-FOLD AXES OF THE ICOSAHEDRON. THEY SHOULD REMAIN IN THAT FRAME FOR THE EASE OF THE USER IN CREATING THE BIOLOGICALLY SIGNIFICANT VIRAL COMPLEX PARTICLE USING THE 60 ICOSAHEDRAL SYMMETRY OPERATORS. CD155 MODEL BUILDING (D1-D2-D3)-- ATOMIC MODEL OF D1 WAS BUILT BASED ON MYELIN PROTEIN ZERO(1NEU). ATOMIC MODEL OF D2 WAS BUILT FROM A FAB FRAGMENT(1CIC).ATOMIC MODEL OF D3 WAS BUILT FROM AN INSECT IMMUNE PROTEIN(1BIH).THE ELBOW ANGLE BETWEEN D1 AND D2 WAS DETERMINED BY LEAST-SQUARE-FITTING THESE TWO DOMAINS THE CRYSTAL STRUCTURE OF CD2(1HNF). | ||||||||||||
精密化 | 最高解像度: 22 Å | ||||||||||||
精密化ステップ | サイクル: LAST / 最高解像度: 22 Å
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