6EM3

State A architectural model (Nsa1-TAP Flag-Ytm1) - Visualizing the assembly pathway of nucleolar pre-60S ribosomes


Experimental Data Snapshot

  • Method: ELECTRON MICROSCOPY
  • Resolution: 3.20 Å
  • Aggregation State: PARTICLE 
  • Reconstruction Method: SINGLE PARTICLE 

wwPDB Validation   3D Report Full Report


This is version 1.0 of the entry. See complete history


Literature

Visualizing the Assembly Pathway of Nucleolar Pre-60S Ribosomes.

Kater, L.Thoms, M.Barrio-Garcia, C.Cheng, J.Ismail, S.Ahmed, Y.L.Bange, G.Kressler, D.Berninghausen, O.Sinning, I.Hurt, E.Beckmann, R.

(2017) Cell 171: 1599-1610.e14

  • DOI: https://doi.org/10.1016/j.cell.2017.11.039
  • Primary Citation of Related Structures:  
    6ELZ, 6EM1, 6EM3, 6EM4, 6EM5, 6EMF, 6EMG, 6EN7

  • PubMed Abstract: 

    Eukaryotic 60S ribosomal subunits are comprised of three rRNAs and ∼50 ribosomal proteins. The initial steps of their formation take place in the nucleolus, but, owing to a lack of structural information, this process is poorly understood. Using cryo-EM, we solved structures of early 60S biogenesis intermediates at 3.3 Å to 4.5 Å resolution, thereby providing insights into their sequential folding and assembly pathway. Besides revealing distinct immature rRNA conformations, we map 25 assembly factors in six different assembly states. Notably, the Nsa1-Rrp1-Rpf1-Mak16 module stabilizes the solvent side of the 60S subunit, and the Erb1-Ytm1-Nop7 complex organizes and connects through Erb1's meandering N-terminal extension, eight assembly factors, three ribosomal proteins, and three 25S rRNA domains. Our structural snapshots reveal the order of integration and compaction of the six major 60S domains within early nucleolar 60S particles developing stepwise from the solvent side around the exit tunnel to the central protuberance.


  • Organizational Affiliation

    Gene Center Munich and Center of Integrated Protein Science-Munich (CiPS-M), Department of Biochemistry, Feodor-Lynen-Str. 25, University of Munich, 81377 Munich, Germany.


Macromolecules

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Entity ID: 1
MoleculeChains Sequence LengthOrganismDetailsImage
Ribosome production factor 1A [auth x]295Saccharomyces cerevisiae S288CMutation(s): 0 
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Entity ID: 2
MoleculeChains Sequence LengthOrganismDetailsImage
60S ribosomal protein L7-AB [auth F]244Saccharomyces cerevisiae S288CMutation(s): 0 
UniProt
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Entity ID: 3
MoleculeChains Sequence LengthOrganismDetailsImage
Protein MAK16C [auth 3]306Saccharomyces cerevisiae S288CMutation(s): 0 
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Entity ID: 4
MoleculeChains Sequence LengthOrganismDetailsImage
Ribosomal RNA-processing protein 1D [auth 4]278Saccharomyces cerevisiae S288CMutation(s): 0 
UniProt
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Entity ID: 5
MoleculeChains Sequence LengthOrganismDetailsImage
Ribosome biogenesis protein NSA1E [auth 5]463Saccharomyces cerevisiae S288CMutation(s): 0 
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Entity ID: 6
MoleculeChains Sequence LengthOrganismDetailsImage
Ribosome biogenesis protein BRX1F [auth A]291Saccharomyces cerevisiae S288CMutation(s): 0 
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Entity ID: 7
MoleculeChains Sequence LengthOrganismDetailsImage
rRNA-processing protein EBP2G [auth J]427Saccharomyces cerevisiae S288CMutation(s): 0 
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Entity ID: 8
MoleculeChains Sequence LengthOrganismDetailsImage
Nucleolar protein 16H [auth v]231Saccharomyces cerevisiae S288CMutation(s): 0 
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Entity ID: 9
MoleculeChains Sequence LengthOrganismDetailsImage
60S ribosomal protein L4-AI [auth C]362Saccharomyces cerevisiae S288CMutation(s): 0 
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Entity ID: 10
MoleculeChains Sequence LengthOrganismDetailsImage
60S ribosomal protein L32J [auth e]130Saccharomyces cerevisiae S288CMutation(s): 0 
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Entity ID: 11
MoleculeChains Sequence LengthOrganismDetailsImage
60S ribosomal protein L6-AK [auth E]176Saccharomyces cerevisiae S288CMutation(s): 0 
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Entity ID: 12
MoleculeChains Sequence LengthOrganismDetailsImage
60S ribosomal protein L33-AL [auth f]107Saccharomyces cerevisiae S288CMutation(s): 0 
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Entity ID: 13
MoleculeChains Sequence LengthOrganismDetailsImage
60S ribosomal protein L8-AM [auth G]256Saccharomyces cerevisiae S288CMutation(s): 0 
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Entity ID: 14
MoleculeChains Sequence LengthOrganismDetailsImage
60S ribosomal protein L35-AN [auth h]120Saccharomyces cerevisiae S288CMutation(s): 0 
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Entity ID: 15
MoleculeChains Sequence LengthOrganismDetailsImage
60S ribosomal protein L36-BO [auth i]100Saccharomyces cerevisiae S288CMutation(s): 0 
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Entity ID: 16
MoleculeChains Sequence LengthOrganismDetailsImage
60S ribosomal protein L37-AP [auth j]88Saccharomyces cerevisiae S288CMutation(s): 0 
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Entity ID: 17
MoleculeChains Sequence LengthOrganismDetailsImage
60S ribosomal protein L13-AQ [auth L]199Saccharomyces cerevisiae S288CMutation(s): 0 
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Entity ID: 18
MoleculeChains Sequence LengthOrganismDetailsImage
60S ribosomal protein L14-AR [auth M]138Saccharomyces cerevisiae S288CMutation(s): 0 
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Entity ID: 19
MoleculeChains Sequence LengthOrganismDetailsImage
60S ribosomal protein L15-AS [auth N]204Saccharomyces cerevisiae S288CMutation(s): 0 
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Entity ID: 20
MoleculeChains Sequence LengthOrganismDetailsImage
60S ribosomal protein L16-AT [auth O]199Saccharomyces cerevisiae S288CMutation(s): 0 
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Entity ID: 21
MoleculeChains Sequence LengthOrganismDetailsImage
60S ribosomal protein L17-AU [auth P]184Saccharomyces cerevisiae S288CMutation(s): 0 
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Entity ID: 22
MoleculeChains Sequence LengthOrganismDetailsImage
60S ribosomal protein L18-AV [auth Q]186Saccharomyces cerevisiae S288CMutation(s): 0 
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Entity ID: 23
MoleculeChains Sequence LengthOrganismDetailsImage
60S ribosomal protein L20-AW [auth S]172Saccharomyces cerevisiae S288CMutation(s): 0 
UniProt
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Entity ID: 24
MoleculeChains Sequence LengthOrganismDetailsImage
60S ribosomal protein L26-AX [auth Y]127Saccharomyces cerevisiae S288CMutation(s): 0 
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Entity ID: 27
MoleculeChains Sequence LengthOrganismDetailsImage
ATP-dependent RNA helicase HAS1AA [auth D]505Saccharomyces cerevisiae S288CMutation(s): 0 
EC: 3.6.4.13
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Entity ID: 28
MoleculeChains Sequence LengthOrganismDetailsImage
Proteasome-interacting protein CIC1BA [auth K]376Saccharomyces cerevisiae S288CMutation(s): 0 
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Entity ID: 29
MoleculeChains Sequence LengthOrganismDetailsImage
Pescadillo homologCA [auth n]605Saccharomyces cerevisiae S288CMutation(s): 0 
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Entity ID: 30
MoleculeChains Sequence LengthOrganismDetailsImage
Ribosome biogenesis protein 15DA [auth o]220Saccharomyces cerevisiae S288CMutation(s): 0 
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Entity ID: 31
MoleculeChains Sequence LengthOrganismDetailsImage
Ribosome biogenesis protein RLP7EA [auth t]322Saccharomyces cerevisiae S288CMutation(s): 0 
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Entity ID: 33
MoleculeChains Sequence LengthOrganismDetailsImage
Ribosome biogenesis protein ERB1GA [auth B]807Saccharomyces cerevisiae S288CMutation(s): 0 
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Entity ID: 25
MoleculeChains LengthOrganismImage
25S ribosomal RNAY [auth 1]3,396Saccharomyces cerevisiae S288C
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Entity ID: 26
MoleculeChains LengthOrganismImage
5.8S ribosomal RNAZ [auth 2]158Saccharomyces cerevisiae S288C
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Entity ID: 32
MoleculeChains LengthOrganismImage
5.8S ribosomal RNAFA [auth 6]232Saccharomyces cerevisiae S288C
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Experimental Data & Validation

Experimental Data

  • Method: ELECTRON MICROSCOPY
  • Resolution: 3.20 Å
  • Aggregation State: PARTICLE 
  • Reconstruction Method: SINGLE PARTICLE 
EM Software:
TaskSoftware PackageVersion
RECONSTRUCTIONRELION2.0

Structure Validation

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Entry History 

Deposition Data

Revision History  (Full details and data files)

  • Version 1.0: 2017-12-27
    Type: Initial release