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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: 6yai | |||||||||
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| タイトル | Clathrin with bound beta2 appendage of AP2 | |||||||||
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キーワード | ENDOCYTOSIS / clathrin / clathrin adaptor / ap2 / clathrin assembly | |||||||||
| 機能・相同性 | 機能・相同性情報Lysosome Vesicle Biogenesis / Golgi Associated Vesicle Biogenesis / Recycling pathway of L1 / WNT5A-dependent internalization of FZD4 / WNT5A-dependent internalization of FZD2, FZD5 and ROR2 / VLDLR internalisation and degradation / LDL clearance / RHOU GTPase cycle / RHOV GTPase cycle / Cargo recognition for clathrin-mediated endocytosis ...Lysosome Vesicle Biogenesis / Golgi Associated Vesicle Biogenesis / Recycling pathway of L1 / WNT5A-dependent internalization of FZD4 / WNT5A-dependent internalization of FZD2, FZD5 and ROR2 / VLDLR internalisation and degradation / LDL clearance / RHOU GTPase cycle / RHOV GTPase cycle / Cargo recognition for clathrin-mediated endocytosis / clathrin coat of trans-Golgi network vesicle / Gap junction degradation / Formation of annular gap junctions / Clathrin-mediated endocytosis / Nef Mediated CD8 Down-regulation / clathrin light chain binding / WNT5A-dependent internalization of FZD2, FZD5 and ROR2 / clathrin complex / Trafficking of GluR2-containing AMPA receptors / WNT5A-dependent internalization of FZD4 / clathrin adaptor complex / extrinsic component of presynaptic endocytic zone membrane / clathrin coat of coated pit / postsynaptic endocytic zone / postsynaptic neurotransmitter receptor internalization / AP-2 adaptor complex / Retrograde neurotrophin signalling / clathrin-coated endocytic vesicle / clathrin coat assembly / LDL clearance / clathrin-dependent endocytosis / signal sequence receptor activity / Nef Mediated CD4 Down-regulation / coronary vasculature development / positive regulation of protein localization to membrane / endolysosome membrane / neurotransmitter secretion / clathrin-coated vesicle / MHC class II antigen presentation / ventricular septum development / aorta development / ciliary membrane / clathrin binding / Recycling pathway of L1 / EPH-ephrin mediated repulsion of cells / positive regulation of endocytosis / synaptic vesicle endocytosis / vesicle-mediated transport / MHC class II antigen presentation / receptor-mediated endocytosis / VLDLR internalisation and degradation / ribosomal large subunit biogenesis / kidney development / trans-Golgi network / clathrin-coated endocytic vesicle membrane / intracellular protein transport / spindle / cytoplasmic side of plasma membrane / disordered domain specific binding / synaptic vesicle / endocytic vesicle membrane / Cargo recognition for clathrin-mediated endocytosis / mitotic cell cycle / Clathrin-mediated endocytosis / Potential therapeutics for SARS / protein-containing complex binding / nucleolus / structural molecule activity / glutamatergic synapse / nucleoplasm / membrane / plasma membrane / cytosol 類似検索 - 分子機能 | |||||||||
| 生物種 | Homo sapiens (ヒト)![]() | |||||||||
| 手法 | 電子顕微鏡法 / サブトモグラム平均法 / クライオ電子顕微鏡法 / 解像度: 9.2 Å | |||||||||
データ登録者 | Kovtun, O. / Kane Dickson, V. / Kelly, B.T. / Owen, D. / Briggs, J.A.G. | |||||||||
| 資金援助 | 英国, 2件
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引用 | ジャーナル: Sci Adv / 年: 2020タイトル: Architecture of the AP2/clathrin coat on the membranes of clathrin-coated vesicles. 著者: Oleksiy Kovtun / Veronica Kane Dickson / Bernard T Kelly / David J Owen / John A G Briggs / ![]() 要旨: Clathrin-mediated endocytosis (CME) is crucial for modulating the protein composition of a cell's plasma membrane. Clathrin forms a cage-like, polyhedral outer scaffold around a vesicle, to which ...Clathrin-mediated endocytosis (CME) is crucial for modulating the protein composition of a cell's plasma membrane. Clathrin forms a cage-like, polyhedral outer scaffold around a vesicle, to which cargo-selecting clathrin adaptors are attached. Adaptor protein complex (AP2) is the key adaptor in CME. Crystallography has shown AP2 to adopt a range of conformations. Here, we used cryo-electron microscopy, tomography, and subtomogram averaging to determine structures, interactions, and arrangements of clathrin and AP2 at the key steps of coat assembly, from AP2 in solution to membrane-assembled clathrin-coated vesicles (CCVs). AP2 binds cargo and PtdIns(4,5) (phosphatidylinositol 4,5-bisphosphate)-containing membranes via multiple interfaces, undergoing conformational rearrangement from its cytosolic state. The binding mode of AP2 β2 appendage into the clathrin lattice in CCVs and buds implies how the adaptor structurally modulates coat curvature and coat disassembly. | |||||||||
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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: Molmil Jmol/JSmol |
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ダウンロードとリンク
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ダウンロード
| PDBx/mmCIF形式 | 6yai.cif.gz | 951.1 KB | 表示 | PDBx/mmCIF形式 |
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| PDB形式 | pdb6yai.ent.gz | 661.3 KB | 表示 | PDB形式 |
| PDBx/mmJSON形式 | 6yai.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/ya/6yai ftp://data.pdbj.org/pub/pdb/validation_reports/ya/6yai | 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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要素
| #1: 抗体 | 分子量: 187145.125 Da / 分子数: 8 / 由来タイプ: 天然 / 由来: (天然) ![]() #2: タンパク質 | | 分子量: 26429.457 Da / 分子数: 1 / 由来タイプ: 組換発現 / 由来: (組換発現) Homo sapiens (ヒト) / 遺伝子: AP2B1, ADTB2, CLAPB1発現宿主: ![]() 参照: UniProt: P63010 #3: 抗体 | | 分子量: 187117.094 Da / 分子数: 1 / 由来タイプ: 天然 / 由来: (天然) ![]() #4: タンパク質 | 分子量: 25218.500 Da / 分子数: 4 / 由来タイプ: 天然 / 由来: (天然) ![]() |
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-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: 3D ARRAY / 3次元再構成法: サブトモグラム平均法 |
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試料調製
| 構成要素 |
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| 由来(天然) |
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| 由来(組換発現) | 生物種: ![]() | ||||||||||||||||||||||||||||
| 緩衝液 | pH: 7.2 | ||||||||||||||||||||||||||||
| 緩衝液成分 |
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| 試料 | 濃度: 0.7 mg/ml / 包埋: NO / シャドウイング: NO / 染色: NO / 凍結: YES 詳細: The sample (in vitro budding reaction) contained AP2, clathrin and 400 nm extruded liposomes | ||||||||||||||||||||||||||||
| 試料支持 | グリッドのタイプ: C-flat-2/2 | ||||||||||||||||||||||||||||
| 急速凍結 | 装置: LEICA EM GP / 凍結剤: ETHANE / 湿度: 98 % / 凍結前の試料温度: 291 K 詳細: The sample was supplemented with 10 nm nanogold fiducials, and 3 ul of the mixture was backside blotted for 3 seconds. |
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電子顕微鏡撮影
| 実験機器 | ![]() モデル: Titan Krios / 画像提供: FEI Company |
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| 顕微鏡 | モデル: FEI TITAN KRIOS |
| 電子銃 | 電子線源: FIELD EMISSION GUN / 加速電圧: 300 kV / 照射モード: FLOOD BEAM |
| 電子レンズ | モード: BRIGHT FIELD / 倍率(公称値): 81000 X / 倍率(補正後): 81000 X / 最大 デフォーカス(公称値): 6500 nm / 最小 デフォーカス(公称値): 1500 nm / Calibrated defocus min: 1500 nm / 最大 デフォーカス(補正後): 6500 nm / Cs: 2.7 mm / C2レンズ絞り径: 100 µm / アライメント法: ZEMLIN TABLEAU |
| 試料ホルダ | 凍結剤: NITROGEN 試料ホルダーモデル: FEI TITAN KRIOS AUTOGRID HOLDER |
| 撮影 | 平均露光時間: 0.2 sec. / 電子線照射量: 3.2 e/Å2 / 検出モード: COUNTING フィルム・検出器のモデル: GATAN K2 QUANTUM (4k x 4k) 撮影したグリッド数: 2 詳細: The images were collected in movie mode at 10 frames per second |
| 電子光学装置 | エネルギーフィルター名称: GIF Quantum LS / エネルギーフィルタースリット幅: 20 eV |
| 画像スキャン | 横: 3838 / 縦: 3710 / 動画フレーム数/画像: 10 / 利用したフレーム数/画像: 1-10 |
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解析
| EMソフトウェア |
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| 画像処理 | 詳細: The images were low pass filtered according to the cumulative radiation dose. | ||||||||||||||||||||||||||||||||||||||||||||||||
| CTF補正 | 詳細: CTF correction in novaCTF with by multiplication / タイプ: PHASE FLIPPING AND AMPLITUDE CORRECTION | ||||||||||||||||||||||||||||||||||||||||||||||||
| 対称性 | 点対称性: C1 (非対称) | ||||||||||||||||||||||||||||||||||||||||||||||||
| 3次元再構成 | 解像度: 9.2 Å / 解像度の算出法: FSC 0.143 CUT-OFF / 粒子像の数: 12076 / 対称性のタイプ: POINT | ||||||||||||||||||||||||||||||||||||||||||||||||
| EM volume selection | 手法: geometrically defined initial positions 詳細: To define initial positions of subtomograms, centres and radii of coated vesicles, buds were manually marked in bin4 tomograms. These measurements were used to define spheres. Subtomogram ...詳細: To define initial positions of subtomograms, centres and radii of coated vesicles, buds were manually marked in bin4 tomograms. These measurements were used to define spheres. Subtomogram positions were then defined on the surface of these spheres with uniform sampling. The orientations were calculated to be normal to the surfaces of the spheres with random in-plane rotation. Num. of tomograms: 58121 / Num. of volumes extracted: 198871 / Reference model: reference-free | ||||||||||||||||||||||||||||||||||||||||||||||||
| 原子モデル構築 | プロトコル: FLEXIBLE FIT / 空間: REAL / Target criteria: correlation coefficient | ||||||||||||||||||||||||||||||||||||||||||||||||
| 原子モデル構築 | 3D fitting-ID: 1 / Source name: PDB / タイプ: experimental model
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万見について




Homo sapiens (ヒト)

英国, 2件
引用
UCSF Chimera


















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