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Yorodumi- PDB-6kjn: The microtubule-binding domains of yeast cytoplasmic dynein in th... -
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Basic information
| Entry | Database: PDB / ID: 6kjn | |||||||||||||||
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| Title | The microtubule-binding domains of yeast cytoplasmic dynein in the high affinity state | |||||||||||||||
Components | Dynein heavy chain, cytoplasmic | |||||||||||||||
Keywords | MOTOR PROTEIN / Microtubule / Dynein / disulfide bond / high affinity | |||||||||||||||
| Function / homology | Function and homology informationkaryogamy / nuclear migration along microtubule / astral microtubule / establishment of mitotic spindle localization / spindle pole body / minus-end-directed microtubule motor activity / cytoplasmic dynein complex / dynein light intermediate chain binding / nuclear migration / dynein intermediate chain binding ...karyogamy / nuclear migration along microtubule / astral microtubule / establishment of mitotic spindle localization / spindle pole body / minus-end-directed microtubule motor activity / cytoplasmic dynein complex / dynein light intermediate chain binding / nuclear migration / dynein intermediate chain binding / establishment of mitotic spindle orientation / mitotic sister chromatid segregation / cytoplasmic microtubule / cytoplasmic microtubule organization / Neutrophil degranulation / mitotic spindle organization / cell cortex / ATP hydrolysis activity / ATP binding / cytoplasm Similarity search - Function | |||||||||||||||
| Biological species | ![]() | |||||||||||||||
| Method | SOLUTION NMR / simulated annealing | |||||||||||||||
Authors | Nishida, N. / Komori, Y. / Takarada, O. / Watanabe, A. / Tamura, S. / Kubo, S. / Shimada, I. / Kikkawa, M. | |||||||||||||||
| Funding support | Japan, 4items
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Citation | Journal: Nat Commun / Year: 2020Title: Structural basis for two-way communication between dynein and microtubules. Authors: Noritaka Nishida / Yuta Komori / Osamu Takarada / Atsushi Watanabe / Satoko Tamura / Satoshi Kubo / Ichio Shimada / Masahide Kikkawa / ![]() Abstract: The movements of cytoplasmic dynein on microtubule (MT) tracks is achieved by two-way communication between the microtubule-binding domain (MTBD) and the ATPase domain via a coiled-coil stalk, but ...The movements of cytoplasmic dynein on microtubule (MT) tracks is achieved by two-way communication between the microtubule-binding domain (MTBD) and the ATPase domain via a coiled-coil stalk, but the structural basis of this communication remains elusive. Here, we regulate MTBD either in high-affinity or low-affinity states by introducing a disulfide bond to the stalk and analyze the resulting structures by NMR and cryo-EM. In the MT-unbound state, the affinity changes of MTBD are achieved by sliding of the stalk α-helix by a half-turn, which suggests that structural changes propagate from the ATPase-domain to MTBD. In addition, MT binding induces further sliding of the stalk α-helix even without the disulfide bond, suggesting how the MT-induced conformational changes propagate toward the ATPase domain. Based on differences in the MT-binding surface between the high- and low-affinity states, we propose a potential mechanism for the directional bias of dynein movement on MT tracks. | |||||||||||||||
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Structure visualization
| Structure viewer | Molecule: Molmil Jmol/JSmol |
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Downloads & links
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Download
| PDBx/mmCIF format | 6kjn.cif.gz | 453 KB | Display | PDBx/mmCIF format |
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| PDB format | pdb6kjn.ent.gz | 375.8 KB | Display | PDB format |
| PDBx/mmJSON format | 6kjn.json.gz | Tree view | PDBx/mmJSON format | |
| Others | Other downloads |
-Validation report
| Summary document | 6kjn_validation.pdf.gz | 530.7 KB | Display | wwPDB validaton report |
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| Full document | 6kjn_full_validation.pdf.gz | 888.8 KB | Display | |
| Data in XML | 6kjn_validation.xml.gz | 67.1 KB | Display | |
| Data in CIF | 6kjn_validation.cif.gz | 73.1 KB | Display | |
| Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/kj/6kjn ftp://data.pdbj.org/pub/pdb/validation_reports/kj/6kjn | HTTPS FTP |
-Related structure data
| Related structure data | ![]() 9996C ![]() 9997C ![]() 6kioC ![]() 6kiqC ![]() 6kjoC C: citing same article ( |
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| Similar structure data | |
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Links
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Assembly
| Deposited unit | ![]()
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| NMR ensembles |
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Components
| #1: Protein | Mass: 16499.871 Da / Num. of mol.: 1 / Mutation: I3101C, V3222C Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() Strain: ATCC 204508 / S288c / Gene: DYN1, DHC1, YKR054C / Plasmid: pET-15b / Cell (production host): BL21(DE3) / Production host: ![]() |
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| Has protein modification | Y |
-Experimental details
-Experiment
| Experiment | Method: SOLUTION NMR | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| NMR experiment |
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Sample preparation
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| Sample |
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| Sample conditions | Ionic strength: 200 mM / Label: conditions_1 / pH: 7 / Pressure: 1 atm / Temperature: 298 K |
-NMR measurement
| NMR spectrometer | Type: Bruker AVANCE III / Manufacturer: Bruker / Model: AVANCE III / Field strength: 800 MHz |
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Processing
| NMR software |
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| Refinement | Method: simulated annealing / Software ordinal: 2 | ||||||||||||
| NMR representative | Selection criteria: lowest energy | ||||||||||||
| NMR ensemble | Conformer selection criteria: structures with the lowest energy Conformers calculated total number: 200 / Conformers submitted total number: 10 |
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