6HIZ

Cryo-EM structure of the Trypanosoma brucei mitochondrial ribosome - This entry contains the head of the small mitoribosomal subunit


Experimental Data Snapshot

  • Method: ELECTRON MICROSCOPY
  • Resolution: 3.08 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

Evolutionary shift toward protein-based architecture in trypanosomal mitochondrial ribosomes.

Ramrath, D.J.F.Niemann, M.Leibundgut, M.Bieri, P.Prange, C.Horn, E.K.Leitner, A.Boehringer, D.Schneider, A.Ban, N.

(2018) Science 362

  • DOI: 10.1126/science.aau7735
  • Primary Citation of Related Structures:  
    6HIV, 6HIW, 6HIX, 6HIY, 6HIZ

  • PubMed Abstract: 
  • Ribosomal RNA (rRNA) plays key functional and architectural roles in ribosomes. Using electron microscopy, we determined the atomic structure of a highly divergent ribosome found in mitochondria of Trypanosoma brucei , a unicellular parasite that causes sleeping sickness in humans ...

    Ribosomal RNA (rRNA) plays key functional and architectural roles in ribosomes. Using electron microscopy, we determined the atomic structure of a highly divergent ribosome found in mitochondria of Trypanosoma brucei , a unicellular parasite that causes sleeping sickness in humans. The trypanosomal mitoribosome features the smallest rRNAs and contains more proteins than all known ribosomes. The structure shows how the proteins have taken over the role of architectural scaffold from the rRNA: They form an autonomous outer shell that surrounds the entire particle and stabilizes and positions the functionally important regions of the rRNA. Our results also reveal the "minimal" set of conserved rRNA and protein components shared by all ribosomes that help us define the most essential functional elements.


    Organizational Affiliation

    Department of Biology, Institute of Molecular Biology and Biophysics, Otto-Stern-Weg 5, ETH Zurich, CH-8093 Zurich, Switzerland. ban@mol.biol.ethz.ch.



Macromolecules

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Entity ID: 1
MoleculeChainsSequence LengthOrganismDetailsImage
mS48A [auth DA]1788Trypanosoma brucei bruceiMutation(s): 0 
UniProt
Find proteins for Q57UJ2 (Trypanosoma brucei brucei (strain 927/4 GUTat10.1))
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Entity ID: 2
MoleculeChainsSequence LengthOrganismDetailsImage
mS59B [auth DL]307Trypanosoma brucei bruceiMutation(s): 0 
UniProt
Find proteins for Q38BS2 (Trypanosoma brucei brucei (strain 927/4 GUTat10.1))
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Entity ID: 3
MoleculeChainsSequence LengthOrganismDetailsImage
mS49C [auth DB]1181Trypanosoma brucei bruceiMutation(s): 0 
UniProt
Find proteins for Q586P5 (Trypanosoma brucei brucei (strain 927/4 GUTat10.1))
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Entity ID: 4
MoleculeChainsSequence LengthOrganismDetailsImage
mS50D [auth DC]1165Trypanosoma brucei bruceiMutation(s): 0 
UniProt
Find proteins for Q57YB5 (Trypanosoma brucei brucei (strain 927/4 GUTat10.1))
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Entity ID: 5
MoleculeChainsSequence LengthOrganismDetailsImage
mS52E [auth DE]747Trypanosoma brucei bruceiMutation(s): 0 
UniProt
Find proteins for Q386Q7 (Trypanosoma brucei brucei (strain 927/4 GUTat10.1))
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Entity ID: 6
MoleculeChainsSequence LengthOrganismDetailsImage
mS53F [auth DF]666Trypanosoma brucei bruceiMutation(s): 0 
UniProt
Find proteins for Q38ET1 (Trypanosoma brucei brucei (strain 927/4 GUTat10.1))
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Entity ID: 7
MoleculeChainsSequence LengthOrganismDetailsImage
mS54G [auth DG]631Trypanosoma brucei bruceiMutation(s): 0 
UniProt
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Entity ID: 8
MoleculeChainsSequence LengthOrganismDetailsImage
mS55H [auth DH]581Trypanosoma brucei bruceiMutation(s): 0 
UniProt
Find proteins for Q580V1 (Trypanosoma brucei brucei (strain 927/4 GUTat10.1))
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Entity ID: 9
MoleculeChainsSequence LengthOrganismDetailsImage
mS57I [auth DJ]396Trypanosoma brucei bruceiMutation(s): 0 
UniProt
Find proteins for Q584U8 (Trypanosoma brucei brucei (strain 927/4 GUTat10.1))
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Entity ID: 10
MoleculeChainsSequence LengthOrganismDetailsImage
mS58J [auth DK]324Trypanosoma brucei bruceiMutation(s): 0 
UniProt
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Entity ID: 11
MoleculeChainsSequence LengthOrganismDetailsImage
mS67K [auth DT]247Trypanosoma brucei bruceiMutation(s): 0 
UniProt
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Entity ID: 12
MoleculeChainsSequence LengthOrganismDetailsImage
mS69L [auth DV]183Trypanosoma brucei bruceiMutation(s): 0 
UniProt
Find proteins for Q57UZ6 (Trypanosoma brucei brucei (strain 927/4 GUTat10.1))
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Entity ID: 13
MoleculeChainsSequence LengthOrganismDetailsImage
mS70M [auth DW]179Trypanosoma brucei bruceiMutation(s): 0 
UniProt
Find proteins for Q383N9 (Trypanosoma brucei brucei (strain 927/4 GUTat10.1))
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Entity ID: 14
MoleculeChainsSequence LengthOrganismDetailsImage
mS71N [auth DX]169Trypanosoma brucei bruceiMutation(s): 0 
UniProt
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Entity ID: 15
MoleculeChainsSequence LengthOrganismDetailsImage
mS72O [auth DY]163Trypanosoma brucei bruceiMutation(s): 0 
UniProt
Find proteins for Q57YD4 (Trypanosoma brucei brucei (strain 927/4 GUTat10.1))
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Entity ID: 16
MoleculeChainsSequence LengthOrganismDetailsImage
uS3mP [auth CC]74Trypanosoma brucei bruceiMutation(s): 0 
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Entity ID: 17
MoleculeChainsSequence LengthOrganismDetailsImage
uS9mQ [auth CI]443Trypanosoma brucei bruceiMutation(s): 0 
UniProt
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Entity ID: 18
MoleculeChainsSequence LengthOrganismDetailsImage
uS10mR [auth CJ]817Trypanosoma brucei bruceiMutation(s): 0 
UniProt
Find proteins for Q57Z45 (Trypanosoma brucei brucei (strain 927/4 GUTat10.1))
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Entity ID: 19
MoleculeChainsSequence LengthOrganismDetailsImage
uS11mS [auth CK]326Trypanosoma brucei bruceiMutation(s): 0 
UniProt
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Entity ID: 20
MoleculeChainsSequence LengthOrganismDetailsImage
uS14mT [auth CN]166Trypanosoma brucei bruceiMutation(s): 0 
UniProt
Find proteins for Q580I0 (Trypanosoma brucei brucei (strain 927/4 GUTat10.1))
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Entity ID: 21
MoleculeChainsSequence LengthOrganismDetailsImage
uS18mU [auth CR]320Trypanosoma brucei bruceiMutation(s): 0 
UniProt
Find proteins for Q38AS2 (Trypanosoma brucei brucei (strain 927/4 GUTat10.1))
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Entity ID: 22
MoleculeChainsSequence LengthOrganismDetailsImage
uS19mV [auth CS]244Trypanosoma brucei bruceiMutation(s): 0 
UniProt
Find proteins for Q584T8 (Trypanosoma brucei brucei (strain 927/4 GUTat10.1))
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Entity ID: 23
MoleculeChainsSequence LengthOrganismDetailsImage
mS29W [auth Cg]498Trypanosoma brucei bruceiMutation(s): 0 
UniProt
Find proteins for Q585C2 (Trypanosoma brucei brucei (strain 927/4 GUTat10.1))
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Entity ID: 24
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mS33X [auth Ci]181Trypanosoma brucei bruceiMutation(s): 0 
UniProt
Find proteins for Q57WW0 (Trypanosoma brucei brucei (strain 927/4 GUTat10.1))
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Entity ID: 25
MoleculeChainsSequence LengthOrganismDetailsImage
mS35Y [auth Ck]874Trypanosoma brucei bruceiMutation(s): 0 
UniProt
Find proteins for Q387C7 (Trypanosoma brucei brucei (strain 927/4 GUTat10.1))
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Entity ID: 27
MoleculeChainsSequence LengthOrganismDetailsImage
Unknown proteinAA [auth UO]5Trypanosoma brucei bruceiMutation(s): 0 
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Entity ID: 28
MoleculeChainsSequence LengthOrganismDetailsImage
Unknown proteinBA [auth UP]7Trypanosoma brucei bruceiMutation(s): 0 
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Entity ID: 26
MoleculeChainsLengthOrganismImage
RNA (143-MER)Z [auth CA]611Trypanosoma brucei brucei
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Small Molecules
Experimental Data & Validation

Experimental Data

  • Method: ELECTRON MICROSCOPY
  • Resolution: 3.08 Å
  • Aggregation State: PARTICLE 
  • Reconstruction Method: SINGLE PARTICLE 

Structure Validation

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Entry History & Funding Information

Deposition Data


Funding OrganizationLocationGrant Number
Swiss National Science FoundationSwitzerland--

Revision History  (Full details and data files)

  • Version 1.0: 2018-09-26
    Type: Initial release
  • Version 1.1: 2018-11-07
    Changes: Data collection, Database references