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基本情報
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タイトル | Composite structure of dynein-dynactin-BICDR on microtubules | ||||||||||||
![]() | Composite structure of the dynein-dynactin-BICDR1 complex | ||||||||||||
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![]() | Dynein / dynactin / cargo transport / activating adaptor / cytoskeleton / STRUCTURAL PROTEIN | ||||||||||||
機能・相同性 | ![]() RHOD GTPase cycle / Factors involved in megakaryocyte development and platelet production / Golgi to secretory granule transport / retrograde axonal transport of mitochondrion / Gap junction degradation / Formation of annular gap junctions / Regulation of actin dynamics for phagocytic cup formation / EPHB-mediated forward signaling / Adherens junctions interactions / VEGFA-VEGFR2 Pathway ...RHOD GTPase cycle / Factors involved in megakaryocyte development and platelet production / Golgi to secretory granule transport / retrograde axonal transport of mitochondrion / Gap junction degradation / Formation of annular gap junctions / Regulation of actin dynamics for phagocytic cup formation / EPHB-mediated forward signaling / Adherens junctions interactions / VEGFA-VEGFR2 Pathway / Cell-extracellular matrix interactions / RHO GTPases Activate WASPs and WAVEs / MAP2K and MAPK activation / UCH proteinases / Clathrin-mediated endocytosis / RHOF GTPase cycle / dynactin complex / Regulation of PLK1 Activity at G2/M Transition / Loss of Nlp from mitotic centrosomes / Recruitment of mitotic centrosome proteins and complexes / Loss of proteins required for interphase microtubule organization from the centrosome / Anchoring of the basal body to the plasma membrane / AURKA Activation by TPX2 / visual behavior / transport along microtubule / F-actin capping protein complex / WASH complex / positive regulation of intracellular transport / dynein light chain binding / negative regulation of filopodium assembly / regulation of metaphase plate congression / dynein heavy chain binding / establishment of spindle localization / positive regulation of spindle assembly / ciliary tip / cytoskeleton-dependent cytokinesis / actin cortical patch / vesicle transport along microtubule / structural constituent of postsynaptic actin cytoskeleton / Intraflagellar transport / dense body / dynein complex / Neutrophil degranulation / COPI-independent Golgi-to-ER retrograde traffic / minus-end-directed microtubule motor activity / barbed-end actin filament capping / dynein light intermediate chain binding / retrograde axonal transport / cytoplasmic dynein complex / P-body assembly / regulation of cell morphogenesis / nuclear migration / regulation of lamellipodium assembly / RHO GTPases activate IQGAPs / RHO GTPases Activate Formins / Recruitment of NuMA to mitotic centrosomes / HSP90 chaperone cycle for steroid hormone receptors (SHR) in the presence of ligand / MHC class II antigen presentation / COPI-mediated anterograde transport / centrosome localization / microtubule motor activity / dynein intermediate chain binding / dynein complex binding / microtubule-based movement / NuA4 histone acetyltransferase complex / cytoplasmic microtubule / dynactin binding / cleavage furrow / microtubule-based process / Amplification of signal from unattached kinetochores via a MAD2 inhibitory signal / COPI-mediated anterograde transport / cytoplasmic microtubule organization / stress fiber / stress granule assembly / Mitotic Prometaphase / EML4 and NUDC in mitotic spindle formation / regulation of mitotic spindle organization / Loss of Nlp from mitotic centrosomes / Loss of proteins required for interphase microtubule organization from the centrosome / Recruitment of mitotic centrosome proteins and complexes / axon cytoplasm / cytoskeleton organization / Recruitment of NuMA to mitotic centrosomes / Anchoring of the basal body to the plasma membrane / Resolution of Sister Chromatid Cohesion / HSP90 chaperone cycle for steroid hormone receptors (SHR) in the presence of ligand / MHC class II antigen presentation / sarcomere / AURKA Activation by TPX2 / mitotic spindle organization / axonogenesis / cellular response to nerve growth factor stimulus / filopodium / actin filament / cell motility / RHO GTPases Activate Formins / HCMV Early Events / 加水分解酵素; 酸無水物に作用; 酸無水物に作用・細胞または細胞小器官の運動に関与 / cell morphogenesis / cilium 類似検索 - 分子機能 | ||||||||||||
生物種 | ![]() ![]() ![]() ![]() ![]() | ||||||||||||
手法 | 単粒子再構成法 / クライオ電子顕微鏡法 / 解像度: 20.0 Å | ||||||||||||
![]() | Chaaban S / Carter AP | ||||||||||||
資金援助 | ![]()
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![]() | ![]() タイトル: Structure of dynein-dynactin on microtubules shows tandem adaptor binding. 著者: Sami Chaaban / Andrew P Carter / ![]() 要旨: Cytoplasmic dynein is a microtubule motor that is activated by its cofactor dynactin and a coiled-coil cargo adaptor. Up to two dynein dimers can be recruited per dynactin, and interactions between ...Cytoplasmic dynein is a microtubule motor that is activated by its cofactor dynactin and a coiled-coil cargo adaptor. Up to two dynein dimers can be recruited per dynactin, and interactions between them affect their combined motile behaviour. Different coiled-coil adaptors are linked to different cargos, and some share motifs known to contact sites on dynein and dynactin. There is limited structural information on how the resulting complex interacts with microtubules and how adaptors are recruited. Here we develop a cryo-electron microscopy processing pipeline to solve the high-resolution structure of dynein-dynactin and the adaptor BICDR1 bound to microtubules. This reveals the asymmetric interactions between neighbouring dynein motor domains and how they relate to motile behaviour. We found that two adaptors occupy the complex. Both adaptors make similar interactions with the dyneins but diverge in their contacts with each other and dynactin. Our structure has implications for the stability and stoichiometry of motor recruitment by cargos. | ||||||||||||
履歴 |
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構造の表示
添付画像 |
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ダウンロードとリンク
-EMDBアーカイブ
マップデータ | ![]() | 201.4 MB | ![]() | |
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ヘッダ (付随情報) | ![]() ![]() | 44.7 KB 44.7 KB | 表示 表示 | ![]() |
画像 | ![]() | 61.2 KB | ||
Filedesc metadata | ![]() | 14.5 KB | ||
アーカイブディレクトリ | ![]() ![]() | HTTPS FTP |
-関連構造データ
関連構造データ | ![]() 7z8fMC ![]() 7z8gC ![]() 7z8hC ![]() 7z8iC ![]() 7z8jC ![]() 7z8kC ![]() 7z8lC ![]() 7z8mC C: 同じ文献を引用 ( M: このマップから作成された原子モデル |
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類似構造データ | 類似検索 - 機能・相同性 ![]() |
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リンク
EMDBのページ | ![]() ![]() |
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「今月の分子」の関連する項目 |
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マップ
ファイル | ![]() | ||||||||||||||||||||
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注釈 | Composite structure of the dynein-dynactin-BICDR1 complex | ||||||||||||||||||||
ボクセルのサイズ | X=Y=Z: 2.489 Å | ||||||||||||||||||||
密度 |
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対称性 | 空間群: 1 | ||||||||||||||||||||
詳細 | EMDB XML:
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-添付データ
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試料の構成要素
+全体 : Complex of dynein, dynactin, and BICDR1 bound to microtubules
+超分子 #1: Complex of dynein, dynactin, and BICDR1 bound to microtubules
+超分子 #2: Dynein, cytoplasmic 1
+超分子 #3: Dynactin
+超分子 #4: BICDR1
+分子 #1: ARP1 actin related protein 1 homolog A
+分子 #2: Actin, cytoplasmic 1
+分子 #3: Arp11
+分子 #4: Capping protein (Actin filament) muscle Z-line, alpha 1
+分子 #5: F-actin capping protein beta subunit
+分子 #6: Dynactin subunit 2
+分子 #7: Dynactin subunit 3
+分子 #8: Dynactin subunit 1
+分子 #9: Dynactin 6
+分子 #10: Dynactin subunit 5
+分子 #11: BICD family-like cargo adapter 1
+分子 #12: Dynactin subunit 4
+分子 #13: Cytoplasmic dynein 1 heavy chain 1
+分子 #14: Cytoplasmic dynein 1 intermediate chain 2
+分子 #15: Cytoplasmic dynein 1 light intermediate chain 2
+分子 #16: Dynein light chain roadblock-type 1
+分子 #17: ADENOSINE-5'-DIPHOSPHATE
+分子 #18: MAGNESIUM ION
+分子 #19: ADENOSINE-5'-TRIPHOSPHATE
+分子 #20: ZINC ION
+分子 #21: PHOSPHOAMINOPHOSPHONIC ACID-ADENYLATE ESTER
-実験情報
-構造解析
手法 | クライオ電子顕微鏡法 |
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![]() | 単粒子再構成法 |
試料の集合状態 | particle |
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試料調製
緩衝液 | pH: 7.2 構成要素:
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凍結 | 凍結剤: ETHANE / チャンバー内湿度: 100 % / チャンバー内温度: 293.15 K / 装置: FEI VITROBOT MARK IV / 詳細: 20 second incubation. |
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電子顕微鏡法
顕微鏡 | FEI TITAN KRIOS |
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特殊光学系 | 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 |
撮影 | フィルム・検出器のモデル: GATAN K3 BIOQUANTUM (6k x 4k) デジタル化 - サイズ - 横: 5760 pixel / デジタル化 - サイズ - 縦: 4092 pixel / 撮影したグリッド数: 14 / 実像数: 88715 / 平均露光時間: 3.0 sec. / 平均電子線量: 53.0 e/Å2 詳細: Images were collected in movie-mode and fractionated into 53 movie frames |
電子線 | 加速電圧: 300 kV / 電子線源: ![]() |
電子光学系 | C2レンズ絞り径: 50.0 µm / 照射モード: FLOOD BEAM / 撮影モード: BRIGHT FIELD / Cs: 2.7 mm / 最大 デフォーカス(公称値): 4.0 µm / 最小 デフォーカス(公称値): 1.2 µm / 倍率(公称値): 81000 |
試料ステージ | 試料ホルダーモデル: FEI TITAN KRIOS AUTOGRID HOLDER ホルダー冷却材: NITROGEN |
実験機器 | ![]() モデル: Titan Krios / 画像提供: FEI Company |
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画像解析
初期モデル | モデルのタイプ: OTHER |
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最終 再構成 | 解像度のタイプ: BY AUTHOR / 解像度: 20.0 Å / 解像度の算出法: OTHER / ソフトウェア - 名称: RELION 詳細: This is a composite of multiple maps with resolutions ranging from 3.3-12.2 A, resampled on a grid of 2.5 A/pix 使用した粒子像数: 628033 |
初期 角度割当 | タイプ: MAXIMUM LIKELIHOOD / ソフトウェア - 名称: RELION |
最終 角度割当 | タイプ: MAXIMUM LIKELIHOOD / ソフトウェア - 名称: RELION |
-原子モデル構築 1
精密化 | 空間: REAL / プロトコル: FLEXIBLE FIT |
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得られたモデル | ![]() PDB-7z8f: |