5NVU

Full length human cytoplasmic dynein-1 in the phi-particle conformation


Experimental Data Snapshot

  • Method: ELECTRON MICROSCOPY
  • Resolution: 15.0 Å
  • Aggregation State: PARTICLE 
  • Reconstruction Method: SINGLE PARTICLE 

wwPDB Validation   3D Report Full Report


This is version 1.2 of the entry. See complete history


Literature

Cryo-EM Reveals How Human Cytoplasmic Dynein Is Auto-inhibited and Activated.

Zhang, K.Foster, H.E.Rondelet, A.Lacey, S.E.Bahi-Buisson, N.Bird, A.W.Carter, A.P.

(2017) Cell 169: 1303-1314.e18

  • DOI: 10.1016/j.cell.2017.05.025
  • Primary Citation of Related Structures:  
    5NUG, 5NVU, 5NVS, 5NW4

  • PubMed Abstract: 
  • Cytoplasmic dynein-1 binds dynactin and cargo adaptor proteins to form a transport machine capable of long-distance processive movement along microtubules. However, it is unclear why dynein-1 moves poorly on its own or how it is activated by dynactin. Here, we present a cryoelectron microscopy structure of the complete 1 ...

    Cytoplasmic dynein-1 binds dynactin and cargo adaptor proteins to form a transport machine capable of long-distance processive movement along microtubules. However, it is unclear why dynein-1 moves poorly on its own or how it is activated by dynactin. Here, we present a cryoelectron microscopy structure of the complete 1.4-megadalton human dynein-1 complex in an inhibited state known as the phi-particle. We reveal the 3D structure of the cargo binding dynein tail and show how self-dimerization of the motor domains locks them in a conformation with low microtubule affinity. Disrupting motor dimerization with structure-based mutagenesis drives dynein-1 into an open form with higher affinity for both microtubules and dynactin. We find the open form is also inhibited for movement and that dynactin relieves this by reorienting the motor domains to interact correctly with microtubules. Our model explains how dynactin binding to the dynein-1 tail directly stimulates its motor activity.


    Organizational Affiliation

    MRC Laboratory of Molecular Biology, Cambridge CB2 0QH, UK. Electronic address: cartera@mrc-lmb.cam.ac.uk.



Macromolecules
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Entity ID: 1
MoleculeChainsSequence LengthOrganismDetailsImage
Dynein motor domainA, B3169Homo sapiensMutation(s): 0 
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Entity ID: 2
MoleculeChainsSequence LengthOrganismDetailsImage
Dynein tail heavy chainC932Homo sapiensMutation(s): 0 
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Entity ID: 3
MoleculeChainsSequence LengthOrganismDetailsImage
Dynein intermediate chainD, E350Homo sapiensMutation(s): 0 
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Entity ID: 4
MoleculeChainsSequence LengthOrganismDetailsImage
Dynein tail heavy chainF893Homo sapiensMutation(s): 0 
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Entity ID: 5
MoleculeChainsSequence LengthOrganismDetailsImage
Dynein light intermediate chainG298Homo sapiensMutation(s): 0 
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Entity ID: 6
MoleculeChainsSequence LengthOrganismDetailsImage
Dynein light intermediate chainH295Homo sapiensMutation(s): 0 
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Entity ID: 7
MoleculeChainsSequence LengthOrganismDetailsImage
N-terminal dimerization domainI125Homo sapiensMutation(s): 0 
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Entity ID: 8
MoleculeChainsSequence LengthOrganismDetailsImage
N-terminal dimerization domainJ124Homo sapiensMutation(s): 0 
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Entity ID: 9
MoleculeChainsSequence LengthOrganismDetailsImage
LC8K, L85Homo sapiensMutation(s): 0 
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Entity ID: 10
MoleculeChainsSequence LengthOrganismDetailsImage
TctexM103Homo sapiensMutation(s): 0 
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Entity ID: 11
MoleculeChainsSequence LengthOrganismDetailsImage
TctexN104Homo sapiensMutation(s): 0 
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Entity ID: 12
MoleculeChainsSequence LengthOrganismDetailsImage
Intermediate chain N-terminus peptidesO27Homo sapiensMutation(s): 0 
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Entity ID: 13
MoleculeChainsSequence LengthOrganismDetailsImage
Intermediate chain N-terminus peptidesP29Homo sapiensMutation(s): 0 
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Entity ID: 14
MoleculeChainsSequence LengthOrganismDetailsImage
RoblQ, R120Homo sapiensMutation(s): 0 
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Experimental Data & Validation

Experimental Data

  • Method: ELECTRON MICROSCOPY
  • Resolution: 15.0 Å
  • Aggregation State: PARTICLE 
  • Reconstruction Method: SINGLE PARTICLE 

Structure Validation

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Entry History & Funding Information

Deposition Data


Funding OrganizationLocationGrant Number
Wellcome TrustUnited KingdomWT100387
Medical Research Council (United Kingdom)United KingdomMC_UP_A025_1011

Revision History  (Full details and data files)

  • Version 1.0: 2017-08-09
    Type: Initial release
  • Version 1.1: 2017-08-30
    Changes: Author supporting evidence, Data collection, Derived calculations
  • Version 1.2: 2017-09-06
    Changes: Database references