6EPE

Substrate processing state 26S proteasome (SPS2)


Experimental Data Snapshot

  • Method: ELECTRON MICROSCOPY
  • Resolution: 12.8 Å
  • Aggregation State: CELL 
  • Reconstruction Method: SUBTOMOGRAM AVERAGING 

wwPDB Validation   3D Report Full Report


This is version 1.3 of the entry. See complete history


Literature

In Situ Structure of Neuronal C9orf72 Poly-GA Aggregates Reveals Proteasome Recruitment.

Guo, Q.Lehmer, C.Martinez-Sanchez, A.Rudack, T.Beck, F.Hartmann, H.Perez-Berlanga, M.Frottin, F.Hipp, M.S.Hartl, F.U.Edbauer, D.Baumeister, W.Fernandez-Busnadiego, R.

(2018) Cell 172: 696-705.e12

  • DOI: 10.1016/j.cell.2017.12.030
  • Primary Citation of Related Structures:  
    6EPD, 6EPC, 6EPF, 6EPE

  • PubMed Abstract: 
  • Protein aggregation and dysfunction of the ubiquitin-proteasome system are hallmarks of many neurodegenerative diseases. Here, we address the elusive link between these phenomena by employing cryo-electron tomography to dissect the molecular architecture of protein aggregates within intact neurons at high resolution ...

    Protein aggregation and dysfunction of the ubiquitin-proteasome system are hallmarks of many neurodegenerative diseases. Here, we address the elusive link between these phenomena by employing cryo-electron tomography to dissect the molecular architecture of protein aggregates within intact neurons at high resolution. We focus on the poly-Gly-Ala (poly-GA) aggregates resulting from aberrant translation of an expanded GGGGCC repeat in C9orf72, the most common genetic cause of amyotrophic lateral sclerosis and frontotemporal dementia. We find that poly-GA aggregates consist of densely packed twisted ribbons that recruit numerous 26S proteasome complexes, while other macromolecules are largely excluded. Proximity to poly-GA ribbons stabilizes a transient substrate-processing conformation of the 26S proteasome, suggesting stalled degradation. Thus, poly-GA aggregates may compromise neuronal proteostasis by driving the accumulation and functional impairment of a large fraction of cellular proteasomes.


    Organizational Affiliation

    Department of Molecular Structural Biology, Max Planck Institute of Biochemistry, 82152 Martinsried, Germany. Electronic address: ruben@biochem.mpg.de.



Macromolecules
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Entity ID: 1
MoleculeChainsSequence LengthOrganismDetailsImage
Proteasome subunit alpha type-6A246Rattus norvegicusMutation(s): 0 
Gene Names: Psma6
EC: 3.4.25.1
Find proteins for P60901 (Rattus norvegicus)
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Entity ID: 2
MoleculeChainsSequence LengthOrganismDetailsImage
Proteasome subunit alpha type-2B234Rattus norvegicusMutation(s): 0 
Gene Names: Psma2
EC: 3.4.25.1
Find proteins for P17220 (Rattus norvegicus)
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Entity ID: 3
MoleculeChainsSequence LengthOrganismDetailsImage
Proteasome subunit alpha type-4C261Rattus norvegicusMutation(s): 0 
Gene Names: Psma4
EC: 3.4.25.1
Find proteins for P21670 (Rattus norvegicus)
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Entity ID: 4
MoleculeChainsSequence LengthOrganismDetailsImage
Proteasome subunit alpha type-7D254Rattus norvegicusMutation(s): 0 
Gene Names: Psma7
EC: 3.4.25.1
Find proteins for P48004 (Rattus norvegicus)
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Entity ID: 5
MoleculeChainsSequence LengthOrganismDetailsImage
Proteasome subunit alpha type-5E241Rattus norvegicusMutation(s): 0 
Gene Names: Psma5
EC: 3.4.25.1
Find proteins for P34064 (Rattus norvegicus)
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Entity ID: 6
MoleculeChainsSequence LengthOrganismDetailsImage
Proteasome subunit alpha type-1F263Rattus norvegicusMutation(s): 0 
Gene Names: Psma1
EC: 3.4.25.1
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Entity ID: 7
MoleculeChainsSequence LengthOrganismDetailsImage
Proteasome subunit alpha type-3G255Rattus norvegicusMutation(s): 0 
Gene Names: Psma3
EC: 3.4.25.1
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Entity ID: 8
MoleculeChainsSequence LengthOrganismDetailsImage
Proteasome subunit beta type-6H [auth 1]238Rattus norvegicusMutation(s): 0 
Gene Names: Psmb6Psmb6l
EC: 3.4.25.1
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Entity ID: 9
MoleculeChainsSequence LengthOrganismDetailsImage
Proteasome subunit beta type-7I [auth 2]277Rattus norvegicusMutation(s): 0 
Gene Names: Psmb7
EC: 3.4.25.1
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Entity ID: 10
MoleculeChainsSequence LengthOrganismDetailsImage
Proteasome subunit beta type-3J [auth 3]205Rattus norvegicusMutation(s): 0 
Gene Names: Psmb3
EC: 3.4.25.1
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Entity ID: 11
MoleculeChainsSequence LengthOrganismDetailsImage
Proteasome subunit beta type-2K [auth 4]201Rattus norvegicusMutation(s): 0 
Gene Names: Psmb2
EC: 3.4.25.1
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Entity ID: 12
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Proteasome subunit beta type-5L [auth 5]263Rattus norvegicusMutation(s): 0 
Gene Names: Psmb5
EC: 3.4.25.1
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Entity ID: 13
MoleculeChainsSequence LengthOrganismDetailsImage
Proteasome subunit beta type-1M [auth 6]240Rattus norvegicusMutation(s): 0 
Gene Names: Psmb1
EC: 3.4.25.1
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Entity ID: 14
MoleculeChainsSequence LengthOrganismDetailsImage
Proteasome subunit beta type-4N [auth 7]263Rattus norvegicusMutation(s): 0 
Gene Names: Psmb4
EC: 3.4.25.1
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Entity ID: 15
MoleculeChainsSequence LengthOrganismDetailsImage
26S proteasome subunit S5aO [auth W]377Rattus norvegicusMutation(s): 0 
Gene Names: Psmd4
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Entity ID: 16
MoleculeChainsSequence LengthOrganismDetailsImage
Proteasome (Prosome, macropain) 26S subunit, non-ATPase, 14P [auth V]310Rattus norvegicusMutation(s): 0 
Gene Names: Psmd14rCG_26455
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Entity ID: 17
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Proteasome 26S subunit, non-ATPase 8Q [auth T]353Rattus norvegicusMutation(s): 0 
Gene Names: Psmd8
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Entity ID: 18
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RCG28037R [auth Y]70Rattus norvegicusMutation(s): 0 
Gene Names: Sem1Shfm1rCG_28037
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Entity ID: 19
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26S proteasome non-ATPase regulatory subunit 2S [auth Z]908Rattus norvegicusMutation(s): 0 
Gene Names: Psmd2
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Entity ID: 20
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26S proteasome non-ATPase regulatory subunit 1T [auth N]953Rattus norvegicusMutation(s): 0 
Gene Names: Psmd1
Find proteins for O88761 (Rattus norvegicus)
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Entity ID: 21
MoleculeChainsSequence LengthOrganismDetailsImage
Proteasome (Prosome, macropain) 26S subunit, non-ATPase, 3U [auth S]530Rattus norvegicusMutation(s): 0 
Gene Names: Psmd3rCG_33694
Find proteins for Q5U2S7 (Rattus norvegicus)
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Entity ID: 22
MoleculeChainsSequence LengthOrganismDetailsImage
Proteasome (Prosome, macropain) 26S subunit, non-ATPase, 12V [auth P]456Rattus norvegicusMutation(s): 0 
Gene Names: Psmd12
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Entity ID: 23
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26S proteasome non-ATPase regulatory subunit 11W [auth Q]422Rattus norvegicusMutation(s): 0 
Gene Names: Psmd11
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Entity ID: 24
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Proteasome (Prosome, macropain) 26S subunit, non-ATPase, 6X [auth R]389Rattus norvegicusMutation(s): 0 
Gene Names: Psmd6rCG_42172
Find proteins for Q6PCT9 (Rattus norvegicus)
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Entity ID: 25
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Proteasome (Prosome, macropain) 26S subunit, non-ATPase, 7 (Predicted)Y [auth U]320Rattus norvegicusMutation(s): 0 
Gene Names: Psmd7Psmd7_predictedrCG_51362
Find proteins for D4AEH3 (Rattus norvegicus)
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Entity ID: 26
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26S proteasome non-ATPase regulatory subunit 13Z [auth O]376Rattus norvegicusMutation(s): 0 
Gene Names: Psmd13
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Entity ID: 27
MoleculeChainsSequence LengthOrganismDetailsImage
26S proteasome regulatory subunit 7AA [auth H]433Rattus norvegicusMutation(s): 0 
Gene Names: Psmc2Mss1
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Entity ID: 28
MoleculeChainsSequence LengthOrganismDetailsImage
26S proteasome regulatory subunit 4BA [auth I]440Rattus norvegicusMutation(s): 0 
Gene Names: Psmc1
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Entity ID: 29
MoleculeChainsSequence LengthOrganismDetailsImage
26S proteasome regulatory subunit 6BCA [auth K]418Rattus norvegicusMutation(s): 0 
Gene Names: Psmc4Tbp7
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Entity ID: 30
MoleculeChainsSequence LengthOrganismDetailsImage
Proteasome 26S subunit, ATPase 6DA [auth L]403Rattus norvegicusMutation(s): 0 
Gene Names: Psmc6LOC100365869rCG_61291
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Entity ID: 31
MoleculeChainsSequence LengthOrganismDetailsImage
26S proteasome regulatory subunit 6AEA [auth M]442Rattus norvegicusMutation(s): 0 
Gene Names: Psmc3Tbp1
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Entity ID: 32
MoleculeChainsSequence LengthOrganismDetailsImage
26S proteasome regulatory subunit 8FA [auth J]406Rattus norvegicusMutation(s): 0 
Gene Names: Psmc5Sug1
Find proteins for P62198 (Rattus norvegicus)
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Experimental Data & Validation

Experimental Data

  • Method: ELECTRON MICROSCOPY
  • Resolution: 12.8 Å
  • Aggregation State: CELL 
  • Reconstruction Method: SUBTOMOGRAM AVERAGING 

Structure Validation

View Full Validation Report



Entry History & Funding Information

Deposition Data


Funding OrganizationLocationGrant Number
European CommissionGermanyFP7 GA ERC-2012-SyG_318987-ToPAG
European CommissionGermanyFP7 GA ERC-2013-CoG_617198 DPR-MODELS
German Research FoundationGermanySFB-1035/Project A01
National Institutes of HealthUnited States9P41GM104601

Revision History  (Full details and data files)

  • Version 1.0: 2018-02-07
    Type: Initial release
  • Version 1.1: 2018-02-14
    Changes: Database references
  • Version 1.2: 2018-02-21
    Changes: Database references
  • Version 1.3: 2019-12-11
    Changes: Other