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Yorodumi- EMDB-46849: structure of dynactin, dynein tail with TRAK2 from dynein-dynacti... -
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Basic information
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| Title | structure of dynactin, dynein tail with TRAK2 from dynein-dynactin-TRAK2 on microtubules | |||||||||
Map data | structure of dynactin, dynein tail with TRAK2 from dynein-dynactin-TRAK2 on microtubules | |||||||||
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Keywords | dynein / TRAK2 / dynactin / microtubule / MOTOR PROTEIN | |||||||||
| Function / homology | Function and homology informationRHOT1 GTPase cycle / RHOT2 GTPase cycle / mitochondrion distribution / dendritic transport of mitochondrion / Advanced glycosylation endproduct receptor signaling / retrograde axonal transport of mitochondrion / negative regulation of axonogenesis / Regulation of actin dynamics for phagocytic cup formation / EPHB-mediated forward signaling / Adherens junctions interactions ...RHOT1 GTPase cycle / RHOT2 GTPase cycle / mitochondrion distribution / dendritic transport of mitochondrion / Advanced glycosylation endproduct receptor signaling / retrograde axonal transport of mitochondrion / negative regulation of axonogenesis / 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 / RHOF GTPase cycle / Formation of the canonical BAF (cBAF) complex / Formation of the polybromo-BAF (pBAF) complex / Formation of the embryonic stem cell BAF (esBAF) complex / Formation of the non-canonical BAF (ncBAF) complex / GBP-mediated host defense / sterol sensor activity / Platelet degranulation / Gap junction degradation / Formation of annular gap junctions / UCH proteinases / dynactin complex / centriolar subdistal appendage / Clathrin-mediated endocytosis / centriole-centriole cohesion / positive regulation of neuromuscular junction development / Regulation of PLK1 Activity at G2/M Transition / Loss of Nlp from mitotic centrosomes / Loss of proteins required for interphase microtubule organization from the centrosome / Anchoring of the basal body to the plasma membrane / AURKA Activation by TPX2 / Recruitment of mitotic centrosome proteins and complexes / microtubule anchoring at centrosome / F-actin capping protein complex / WASH complex / Regulation of CDH1 Function / Formation of the dystrophin-glycoprotein complex (DGC) / lysosome to ER cholesterol transport / ventral spinal cord development / retromer complex / cytoskeleton-dependent cytokinesis / dynein complex / microtubule plus-end / mitotic nuclear membrane disassembly / protein O-linked glycosylation / positive regulation of microtubule nucleation / cellular response to cytochalasin B / regulation of transepithelial transport / dendrite morphogenesis / morphogenesis of a polarized epithelium / structural constituent of postsynaptic actin cytoskeleton / GABA receptor binding / protein localization to adherens junction / non-motile cilium assembly / barbed-end actin filament capping / dense body / Neutrophil degranulation / Tat protein binding / motor behavior / postsynaptic actin cytoskeleton / vesicle transport along microtubule / apical protein localization / neuron cellular homeostasis / retrograde transport, endosome to Golgi / adherens junction assembly / neuromuscular process / minus-end-directed microtubule motor activity / RHO GTPases activate IQGAPs / RHO GTPases Activate Formins / microtubule associated complex / HSP90 chaperone cycle for steroid hormone receptors (SHR) in the presence of ligand / dynein light intermediate chain binding / cytoplasmic dynein complex / MHC class II antigen presentation / nuclear migration / Recruitment of NuMA to mitotic centrosomes / tight junction / COPI-mediated anterograde transport / microtubule-based movement / apical junction complex / intercellular bridge / myosin binding / endosome to lysosome transport / establishment of mitotic spindle orientation / TPR domain binding / dynein intermediate chain binding / NuA4 histone acetyltransferase complex / regulation of norepinephrine uptake / transporter regulator activity / cell leading edge / cortical cytoskeleton / cleavage furrow / establishment or maintenance of cell polarity / microtubule organizing center / neuromuscular junction development / nitric-oxide synthase binding Similarity search - Function | |||||||||
| Biological species | ![]() ![]() | |||||||||
| Method | single particle reconstruction / cryo EM / Resolution: 8.8 Å | |||||||||
Authors | Rao Q / Chai P / Zhang K | |||||||||
| Funding support | United States, 1 items
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Citation | Journal: bioRxiv / Year: 2024 Title: Molecular basis for the assembly of the dynein transport machinery on microtubules. Authors: Qinhui Rao / Pengxin Chai / Kai Zhang / ![]() Abstract: Cytoplasmic dynein-1, a microtubule-based motor protein, requires dynactin and an adaptor to form the processive dynein-dynactin-adaptor (DDA) complex. The role of microtubules in DDA assembly has ...Cytoplasmic dynein-1, a microtubule-based motor protein, requires dynactin and an adaptor to form the processive dynein-dynactin-adaptor (DDA) complex. The role of microtubules in DDA assembly has been elusive. Here, we reveal detailed structural insights into microtubule-mediated DDA assembly using cryo-electron microscopy. We find that an adaptor-independent dynein-dynactin complex (DD) predominantly forms on microtubules in an intrinsic 2:1 stoichiometry, induced by spontaneous parallelization of dynein upon microtubule binding. Adaptors can squeeze in and exchange within the assembled microtubule-bound DD complex, which is enabled by relative rotations between dynein and dynactin, and further facilitated by dynein light intermediate chains that assist in an adaptor 'search' mechanism. Our findings elucidate the dynamic adaptability of the dynein transport machinery, and reveal a new mode for assembly of the motile complex. | |||||||||
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Structure visualization
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Downloads & links
-EMDB archive
| Map data | emd_46849.map.gz | 13.5 MB | EMDB map data format | |
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| Header (meta data) | emd-46849-v30.xml emd-46849.xml | 41.1 KB 41.1 KB | Display Display | EMDB header |
| FSC (resolution estimation) | emd_46849_fsc.xml | 6.3 KB | Display | FSC data file |
| Images | emd_46849.png | 55.7 KB | ||
| Filedesc metadata | emd-46849.cif.gz | 13.8 KB | ||
| Others | emd_46849_half_map_1.map.gz emd_46849_half_map_2.map.gz | 25 MB 25 MB | ||
| Archive directory | http://ftp.pdbj.org/pub/emdb/structures/EMD-46849 ftp://ftp.pdbj.org/pub/emdb/structures/EMD-46849 | HTTPS FTP |
-Related structure data
| Related structure data | ![]() 9dgvMC ![]() 9dgpC ![]() 9dgqC ![]() 9dgrC ![]() 9dgsC ![]() 9dgtC ![]() 9dguC ![]() 9yncC ![]() 9yndC ![]() 9yneC ![]() 9ynfC ![]() 9yngC ![]() 9ynhC M: atomic model generated by this map C: citing same article ( |
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| Similar structure data | Similarity search - Function & homology F&H Search |
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Links
| EMDB pages | EMDB (EBI/PDBe) / EMDataResource |
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| Related items in Molecule of the Month |
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Map
| File | Download / File: emd_46849.map.gz / Format: CCP4 / Size: 27 MB / Type: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) | ||||||||||||||||||||||||||||||||||||
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| Annotation | structure of dynactin, dynein tail with TRAK2 from dynein-dynactin-TRAK2 on microtubules | ||||||||||||||||||||||||||||||||||||
| Projections & slices | Image control
Images are generated by Spider. | ||||||||||||||||||||||||||||||||||||
| Voxel size | X=Y=Z: 3.3 Å | ||||||||||||||||||||||||||||||||||||
| Density |
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| Symmetry | Space group: 1 | ||||||||||||||||||||||||||||||||||||
| Details | EMDB XML:
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-Supplemental data
-Half map: half map
| File | emd_46849_half_map_1.map | ||||||||||||
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| Annotation | half map | ||||||||||||
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| Density Histograms |
-Half map: half map
| File | emd_46849_half_map_2.map | ||||||||||||
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| Annotation | half map | ||||||||||||
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| Density Histograms |
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Sample components
+Entire : Dynactin, dynein tail with TRAK2 of dynein-dynactin-TRAK2 complex...
+Supramolecule #1: Dynactin, dynein tail with TRAK2 of dynein-dynactin-TRAK2 complex...
+Macromolecule #1: Alpha-centractin
+Macromolecule #2: Actin, cytoplasmic 1
+Macromolecule #3: Actin-related protein 10
+Macromolecule #4: F-actin-capping protein subunit alpha-1
+Macromolecule #5: F-actin-capping protein subunit beta
+Macromolecule #6: Dynactin subunit 2
+Macromolecule #7: Dynactin subunit 3
+Macromolecule #8: Dynactin subunit 6
+Macromolecule #9: Dynactin subunit 5
+Macromolecule #10: Dynactin subunit 1
+Macromolecule #11: Dynactin subunit 4
+Macromolecule #12: Trafficking protein, kinesin binding 2
+Macromolecule #13: Cytoplasmic dynein 1 heavy chain 1
+Macromolecule #14: Cytoplasmic dynein 1 intermediate chain 2
+Macromolecule #15: ADENOSINE-5'-DIPHOSPHATE
+Macromolecule #16: ADENOSINE-5'-TRIPHOSPHATE
+Macromolecule #17: ZINC ION
-Experimental details
-Structure determination
| Method | cryo EM |
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Processing | single particle reconstruction |
| Aggregation state | particle |
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Sample preparation
| Buffer | pH: 7.2 |
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| Vitrification | Cryogen name: ETHANE |
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Electron microscopy
| Microscope | TFS GLACIOS |
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| Image recording | Film or detector model: GATAN K3 (6k x 4k) / Average electron dose: 40.0 e/Å2 |
| Electron beam | Acceleration voltage: 200 kV / Electron source: FIELD EMISSION GUN |
| Electron optics | Calibrated defocus max: 3.0 µm / Calibrated defocus min: 1.2 µm / Illumination mode: FLOOD BEAM / Imaging mode: BRIGHT FIELD / Nominal defocus max: 3.0 µm / Nominal defocus min: 1.2 µm |
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About Yorodumi



Keywords
Authors
United States, 1 items
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Homo sapiens (human)

Processing
FIELD EMISSION GUN
