6EF3

Yeast 26S proteasome bound to ubiquitinated substrate (4D motor state)


Experimental Data Snapshot

  • Method: ELECTRON MICROSCOPY
  • Resolution: 4.17 Å
  • Aggregation State: PARTICLE 
  • Reconstruction Method: SINGLE PARTICLE 

wwPDB Validation   3D Report Full Report


This is version 1.3 of the entry. See complete history


Literature

Substrate-engaged 26Sproteasome structures reveal mechanisms for ATP-hydrolysis-driven translocation.

de la Pena, A.H.Goodall, E.A.Gates, S.N.Lander, G.C.Martin, A.

(2018) Science 362

  • DOI: https://doi.org/10.1126/science.aav0725
  • Primary Citation of Related Structures:  
    6EF0, 6EF1, 6EF2, 6EF3

  • PubMed Abstract: 

    The 26 S proteasome is the primary eukaryotic degradation machine and thus is critically involved in numerous cellular processes. The heterohexameric adenosine triphosphatase (ATPase) motor of the proteasome unfolds and translocates targeted protein substrates into the open gate of a proteolytic core while a proteasomal deubiquitinase concomitantly removes substrate-attached ubiquitin chains. However, the mechanisms by which ATP hydrolysis drives the conformational changes responsible for these processes have remained elusive. Here we present the cryo-electron microscopy structures of four distinct conformational states of the actively ATP-hydrolyzing, substrate-engaged 26 S proteasome. These structures reveal how mechanical substrate translocation accelerates deubiquitination and how ATP-binding, -hydrolysis, and phosphate-release events are coordinated within the AAA+ (ATPases associated with diverse cellular activities) motor to induce conformational changes and propel the substrate through the central pore.


  • Organizational Affiliation

    Department of Integrative Structural and Computational Biology, The Scripps Research Institute, 10550 N. Torrey Pines Road, La Jolla, CA 92037, USA.


Macromolecules
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Entity ID: 1
MoleculeChains Sequence LengthOrganismDetailsImage
Proteasome subunit beta type-1A [auth 1]215Saccharomyces cerevisiae S288CMutation(s): 0 
Gene Names: PRE3YJL001WJ1407
EC: 3.4.25.1
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Entity ID: 2
MoleculeChains Sequence LengthOrganismDetailsImage
Proteasome subunit beta type-2B [auth 2]261Saccharomyces cerevisiae S288CMutation(s): 0 
Gene Names: PUP1YOR157C
EC: 3.4.25.1
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Entity ID: 3
MoleculeChains Sequence LengthOrganismDetailsImage
Proteasome subunit beta type-3C [auth 3]205Saccharomyces cerevisiae S288CMutation(s): 0 
Gene Names: PUP3YER094C
EC: 3.4.25.1
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Entity ID: 4
MoleculeChains Sequence LengthOrganismDetailsImage
Proteasome subunit beta type-4D [auth 4]198Saccharomyces cerevisiae S288CMutation(s): 0 
Gene Names: PRE1YER012W
EC: 3.4.25.1
UniProt
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Entity ID: 5
MoleculeChains Sequence LengthOrganismDetailsImage
Proteasome subunit beta type-5E [auth 5]287Saccharomyces cerevisiae S288CMutation(s): 0 
Gene Names: PRE2DOA3PRG1YPR103WP8283.10
EC: 3.4.25.1
UniProt
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Entity ID: 6
MoleculeChains Sequence LengthOrganismDetailsImage
Proteasome subunit beta type-6F [auth 6]241Saccharomyces cerevisiae S288CMutation(s): 0 
Gene Names: PRE7PRS3PTS1YBL041WYBL0407
EC: 3.4.25.1
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Entity ID: 7
MoleculeChains Sequence LengthOrganismDetailsImage
Proteasome subunit beta type-7G [auth 7]266Saccharomyces cerevisiae S288CMutation(s): 0 
Gene Names: PRE4YFR050C
EC: 3.4.25.1
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Entity ID: 8
MoleculeChains Sequence LengthOrganismDetailsImage
Proteasome subunit alpha type-1H [auth A]252Saccharomyces cerevisiae S288CMutation(s): 0 
Gene Names: SCL1PRC2PRS2YGL011C
EC: 3.4.25.1
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Entity ID: 9
MoleculeChains Sequence LengthOrganismDetailsImage
Proteasome subunit alpha type-2I [auth B]250Saccharomyces cerevisiae S288CMutation(s): 0 
Gene Names: PRE8PRS4YML092C
EC: 3.4.25.1
UniProt
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Entity ID: 10
MoleculeChains Sequence LengthOrganismDetailsImage
Proteasome subunit alpha type-3J [auth C]258Saccharomyces cerevisiae S288CMutation(s): 0 
Gene Names: PRE9PRS5YGR135W
EC: 3.4.25.1
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Entity ID: 11
MoleculeChains Sequence LengthOrganismDetailsImage
Proteasome subunit alpha type-4K [auth D]254Saccharomyces cerevisiae S288CMutation(s): 0 
Gene Names: PRE6YOL038W
EC: 3.4.25.1
UniProt
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Entity ID: 12
MoleculeChains Sequence LengthOrganismDetailsImage
Proteasome subunit alpha type-5L [auth E]260Saccharomyces cerevisiae S288CMutation(s): 0 
Gene Names: PUP2DOA5YGR253CG9155
EC: 3.4.25.1
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Entity ID: 13
MoleculeChains Sequence LengthOrganismDetailsImage
Proteasome subunit alpha type-6M [auth F]234Saccharomyces cerevisiae S288CMutation(s): 0 
Gene Names: PRE5YMR314WYM9924.06
EC: 3.4.25.1
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Entity ID: 14
MoleculeChains Sequence LengthOrganismDetailsImage
Probable proteasome subunit alpha type-7N [auth G]288Saccharomyces cerevisiae S288CMutation(s): 0 
Gene Names: PRE10PRC1PRS1YOR362CO6650
EC: 3.4.25.1
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Entity ID: 15
MoleculeChains Sequence LengthOrganismDetailsImage
26S proteasome regulatory subunit 7 homologO [auth H]467Saccharomyces cerevisiae S288CMutation(s): 0 
Gene Names: RPT1CIM5YTA3YKL145W
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Entity ID: 16
MoleculeChains Sequence LengthOrganismDetailsImage
26S proteasome regulatory subunit 4 homologP [auth I]437Saccharomyces cerevisiae S288CMutation(s): 0 
Gene Names: RPT2YHS4YTA5YDL007WD2920
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Entity ID: 17
MoleculeChains Sequence LengthOrganismDetailsImage
26S proteasome regulatory subunit 8 homologQ [auth J]405Saccharomyces cerevisiae S288CMutation(s): 0 
Gene Names: RPT6CIM3CRL3SUG1TBPYTBY1YGL048C
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Entity ID: 18
MoleculeChains Sequence LengthOrganismDetailsImage
26S proteasome regulatory subunit 6B homologR [auth K]428Saccharomyces cerevisiae S288CMutation(s): 0 
Gene Names: RPT3YNT1YTA2YDR394WD9509.14
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Entity ID: 19
MoleculeChains Sequence LengthOrganismDetailsImage
26S proteasome subunit RPT4S [auth L]437Saccharomyces cerevisiae S288CMutation(s): 0 
Gene Names: RPT4CRL13PCS1SUG2YOR259C
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Entity ID: 20
MoleculeChains Sequence LengthOrganismDetailsImage
26S proteasome regulatory subunit 6AT [auth M]434Saccharomyces cerevisiae S288CMutation(s): 0 
Gene Names: RPT5YTA1YOR117WO3258YOR3258W
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Entity ID: 21
MoleculeChains Sequence LengthOrganismDetailsImage
Proteasome subunit beta type-7U [auth n]15Saccharomyces cerevisiae S288CMutation(s): 0 
Gene Names: PSB7
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Entity ID: 22
MoleculeChains Sequence LengthOrganismDetailsImage
Ubiquitin carboxyl-terminal hydrolase RPN11V [auth r]306Saccharomyces cerevisiae S288CMutation(s): 0 
Gene Names: RPN11MPR1YFR004W
EC: 3.4.19.12
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Entity ID: 23
MoleculeChains Sequence LengthOrganismDetailsImage
Model substrate polypeptideW [auth s]38Homo sapiensMutation(s): 0 
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Entity ID: 24
MoleculeChains Sequence LengthOrganismDetailsImage
Ubiquitin-60S ribosomal protein L40X [auth u]128Saccharomyces cerevisiae S288CMutation(s): 0 
Gene Names: RPL40AUBI1YIL148W
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Experimental Data & Validation

Experimental Data

  • Method: ELECTRON MICROSCOPY
  • Resolution: 4.17 Å
  • Aggregation State: PARTICLE 
  • Reconstruction Method: SINGLE PARTICLE 
EM Software:
TaskSoftware PackageVersion
RECONSTRUCTIONRELION2.1
MODEL REFINEMENTPHENIX1.11-2580

Structure Validation

View Full Validation Report



Entry History & Funding Information

Deposition Data


Funding OrganizationLocationGrant Number
National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)United StatesR01-GM094497
National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)United StatesDP2-EB020402

Revision History  (Full details and data files)

  • Version 1.0: 2018-10-17
    Type: Initial release
  • Version 1.1: 2018-10-24
    Changes: Data collection, Database references
  • Version 1.2: 2018-12-12
    Changes: Data collection, Database references
  • Version 1.3: 2020-01-08
    Changes: Author supporting evidence