6YLE

Rix1-Rea1 pre-60S particle - Rix1-subcomplex, body 3 (rigid body refinement)


Experimental Data Snapshot

  • Method: ELECTRON MICROSCOPY
  • Resolution: 3.30 Å
  • Aggregation State: PARTICLE 
  • Reconstruction Method: SINGLE PARTICLE 

wwPDB Validation 3D Report Full Report


This is version 1.1 of the entry. See complete history


Literature

Construction of the Central Protuberance and L1 Stalk during 60S Subunit Biogenesis.

Kater, L.Mitterer, V.Thoms, M.Cheng, J.Berninghausen, O.Beckmann, R.Hurt, E.

(2020) Mol Cell 79: 615-628.e5

  • DOI: 10.1016/j.molcel.2020.06.032
  • Primary Citation of Related Structures:  
    6YLF, 6YLE, 6YLH, 6YLG, 6YLY, 6YLX

  • PubMed Abstract: 
  • Ribosome assembly is driven by numerous assembly factors, including the Rix1 complex and the AAA ATPase Rea1. These two assembly factors catalyze 60S maturation at two distinct states, triggering poorly understood large-scale structural transitions t ...

    Ribosome assembly is driven by numerous assembly factors, including the Rix1 complex and the AAA ATPase Rea1. These two assembly factors catalyze 60S maturation at two distinct states, triggering poorly understood large-scale structural transitions that we analyzed by cryo-electron microscopy. Two nuclear pre-60S intermediates were discovered that represent previously unknown states after Rea1-mediated removal of the Ytm1-Erb1 complex and reveal how the L1 stalk develops from a pre-mature nucleolar to a mature-like nucleoplasmic state. A later pre-60S intermediate shows how the central protuberance arises, assisted by the nearby Rix1-Rea1 machinery, which was solved in its pre-ribosomal context to molecular resolution. This revealed a Rix1 2 -Ipi3 2 tetramer anchored to the pre-60S via Ipi1, strategically positioned to monitor this decisive remodeling. These results are consistent with a general underlying principle that temporarily stabilized immature RNA domains are successively remodeled by assembly factors, thereby ensuring failsafe assembly progression.


    Organizational Affiliation

    Biochemie-Zentrum der Universit├Ąt Heidelberg, 69120 Heidelberg, Germany. Electronic address: ed.hurt@bzh.uni-heidelberg.de.



Macromolecules
Find similar proteins by:  (by identity cutoff)  |  Structure
Entity ID: 1
MoleculeChainsSequence LengthOrganismDetailsImage
Pre-rRNA-processing protein IPI3A, B555Saccharomyces cerevisiaeMutation(s): 0 
Find proteins for P53877 (Saccharomyces cerevisiae (strain ATCC 204508 / S288c))
Explore P53877 
Go to UniProtKB:  P53877
Protein Feature View
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  • Reference Sequence
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Entity ID: 2
MoleculeChainsSequence LengthOrganismDetailsImage
Pre-rRNA-processing protein RIX1C, D763Saccharomyces cerevisiaeMutation(s): 0 
Find proteins for P38883 (Saccharomyces cerevisiae (strain ATCC 204508 / S288c))
Explore P38883 
Go to UniProtKB:  P38883
Protein Feature View
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  • Reference Sequence
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Entity ID: 3
MoleculeChainsSequence LengthOrganismDetailsImage
Pre-rRNA-processing protein IPI1K334Saccharomyces cerevisiaeMutation(s): 0 
Find proteins for A6ZSZ4 (Saccharomyces cerevisiae (strain YJM789))
Explore A6ZSZ4 
Go to UniProtKB:  A6ZSZ4
Protein Feature View
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  • Reference Sequence
Experimental Data & Validation

Experimental Data

  • Method: ELECTRON MICROSCOPY
  • Resolution: 3.30 Å
  • Aggregation State: PARTICLE 
  • Reconstruction Method: SINGLE PARTICLE 

Structure Validation

View Full Validation Report



Entry History 

Deposition Data

Revision History 

  • Version 1.0: 2020-07-29
    Type: Initial release
  • Version 1.1: 2020-09-02
    Changes: Database references