4V7I

Ribosome-SecY complex.


Experimental Data Snapshot

  • Method: ELECTRON MICROSCOPY
  • Resolution: 9.60 Å
  • Aggregation State: PARTICLE 
  • Reconstruction Method: SINGLE PARTICLE 

wwPDB Validation   3D Report Full Report


This is version 1.5 of the entry. See complete history


Literature

Regulation of the protein-conducting channel by a bound ribosome.

Gumbart, J.Trabuco, L.G.Schreiner, E.Villa, E.Schulten, K.

(2009) Structure 17: 1453-1464

  • DOI: https://doi.org/10.1016/j.str.2009.09.010
  • Primary Citation of Related Structures:  
    4V7I

  • PubMed Abstract: 

    During protein synthesis, it is often necessary for the ribosome to form a complex with a membrane-bound channel, the SecY/Sec61 complex, in order to translocate nascent proteins across a cellular membrane. Structural data on the ribosome-channel complex are currently limited to low-resolution cryo-electron microscopy maps, including one showing a bacterial ribosome bound to a monomeric SecY complex. Using that map along with available atomic-level models of the ribosome and SecY, we have determined, through molecular dynamics flexible fitting (MDFF), an atomic-resolution model of the ribosome-channel complex. We characterized computationally the sites of ribosome-SecY interaction within the complex and determined the effect of ribosome binding on the SecY channel. We also constructed a model of a ribosome in complex with a SecY dimer by adding a second copy of SecY to the MDFF-derived model. The study involved 2.7-million-atom simulations over altogether nearly 50 ns.


  • Organizational Affiliation

    Department of Physics, University of Illinois at Urbana-Champaign, Urbana, IL 61801, USA.


Macromolecules

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Entity ID: 3
MoleculeChains Sequence LengthOrganismDetailsImage
PREPROTEIN TRANSLOCASE SECY SUBUNITC [auth AA]442Escherichia coliMutation(s): 0 
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Entity ID: 4
MoleculeChains Sequence LengthOrganismDetailsImage
PREPROTEIN TRANSLOCASE SECE SUBUNITD [auth AB]65Escherichia coliMutation(s): 0 
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Entity ID: 5
MoleculeChains Sequence LengthOrganismDetailsImage
Preprotein translocase subunit secGE [auth AC]53Methanocaldococcus jannaschiiMutation(s): 0 
Membrane Entity: Yes 
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Find proteins for P60460 (Methanocaldococcus jannaschii (strain ATCC 43067 / DSM 2661 / JAL-1 / JCM 10045 / NBRC 100440))
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Entity ID: 6
MoleculeChains Sequence LengthOrganismDetailsImage
50S ribosomal protein L1F [auth A5]234Escherichia coli K-12Mutation(s): 0 
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Entity ID: 7
MoleculeChains Sequence LengthOrganismDetailsImage
50S ribosomal protein L2G [auth A6]273Escherichia coli K-12Mutation(s): 0 
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Entity ID: 8
MoleculeChains Sequence LengthOrganismDetailsImage
50S ribosomal protein L3H [auth AD]209Escherichia coli K-12Mutation(s): 0 
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Entity ID: 9
MoleculeChains Sequence LengthOrganismDetailsImage
50S ribosomal protein L4I [auth AE]201Escherichia coli K-12Mutation(s): 0 
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Entity ID: 10
MoleculeChains Sequence LengthOrganismDetailsImage
50S ribosomal protein L5J [auth AF]179Escherichia coli K-12Mutation(s): 0 
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Entity ID: 11
MoleculeChains Sequence LengthOrganismDetailsImage
50S ribosomal protein L6K [auth AG]177Escherichia coli K-12Mutation(s): 0 
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Entity ID: 12
MoleculeChains Sequence LengthOrganismDetailsImage
50S ribosomal protein L9L [auth AH]149Escherichia coli K-12Mutation(s): 0 
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Entity ID: 13
MoleculeChains Sequence LengthOrganismDetailsImage
50S ribosomal protein L11M [auth AI]142Escherichia coli K-12Mutation(s): 0 
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Entity ID: 14
MoleculeChains Sequence LengthOrganismDetailsImage
50S ribosomal protein L13N [auth AJ]142Escherichia coli K-12Mutation(s): 0 
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Entity ID: 15
MoleculeChains Sequence LengthOrganismDetailsImage
50S ribosomal protein L14O [auth AK]123Escherichia coli K-12Mutation(s): 0 
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Entity ID: 16
MoleculeChains Sequence LengthOrganismDetailsImage
50S ribosomal protein L15P [auth AL]144Escherichia coli K-12Mutation(s): 0 
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Entity ID: 17
MoleculeChains Sequence LengthOrganismDetailsImage
50S ribosomal protein L16Q [auth AM]136Escherichia coli K-12Mutation(s): 0 
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Entity ID: 18
MoleculeChains Sequence LengthOrganismDetailsImage
50S ribosomal protein L17R [auth AN]127Escherichia coli K-12Mutation(s): 0 
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Entity ID: 19
MoleculeChains Sequence LengthOrganismDetailsImage
50S ribosomal protein L18S [auth AO]117Escherichia coli K-12Mutation(s): 0 
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Entity ID: 20
MoleculeChains Sequence LengthOrganismDetailsImage
50S ribosomal protein L19T [auth AP]115Escherichia coli K-12Mutation(s): 0 
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Entity ID: 21
MoleculeChains Sequence LengthOrganismDetailsImage
50S ribosomal protein L20U [auth AQ]118Escherichia coli K-12Mutation(s): 0 
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Entity ID: 22
MoleculeChains Sequence LengthOrganismDetailsImage
50S ribosomal protein L21V [auth AR]103Escherichia coli K-12Mutation(s): 0 
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Entity ID: 23
MoleculeChains Sequence LengthOrganismDetailsImage
50S ribosomal protein L22W [auth AS]110Escherichia coli K-12Mutation(s): 0 
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Entity ID: 24
MoleculeChains Sequence LengthOrganismDetailsImage
50S ribosomal protein L23X [auth AT]100Escherichia coli K-12Mutation(s): 0 
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Entity ID: 25
MoleculeChains Sequence LengthOrganismDetailsImage
50S ribosomal protein L24Y [auth AU]104Escherichia coli K-12Mutation(s): 0 
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Entity ID: 26
MoleculeChains Sequence LengthOrganismDetailsImage
50S ribosomal protein L25Z [auth AV]94Escherichia coli K-12Mutation(s): 0 
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Entity ID: 27
MoleculeChains Sequence LengthOrganismDetailsImage
50S ribosomal protein L27AA [auth AW]85Escherichia coli K-12Mutation(s): 0 
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Find proteins for P0A7L8 (Escherichia coli (strain K12))
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Entity ID: 28
MoleculeChains Sequence LengthOrganismDetailsImage
50S ribosomal protein L28BA [auth AX]78Escherichia coli K-12Mutation(s): 0 
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Entity ID: 29
MoleculeChains Sequence LengthOrganismDetailsImage
50S ribosomal protein L29CA [auth AY]63Escherichia coli K-12Mutation(s): 0 
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Entity ID: 30
MoleculeChains Sequence LengthOrganismDetailsImage
50S ribosomal protein L30DA [auth AZ]59Escherichia coli K-12Mutation(s): 0 
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Entity ID: 31
MoleculeChains Sequence LengthOrganismDetailsImage
50S ribosomal protein L32EA [auth A0]57Escherichia coli K-12Mutation(s): 0 
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Entity ID: 32
MoleculeChains Sequence LengthOrganismDetailsImage
50S ribosomal protein L33FA [auth A1]55Escherichia coli K-12Mutation(s): 0 
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Entity ID: 33
MoleculeChains Sequence LengthOrganismDetailsImage
50S ribosomal protein L34GA [auth A2]46Escherichia coli K-12Mutation(s): 0 
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Entity ID: 34
MoleculeChains Sequence LengthOrganismDetailsImage
50S ribosomal protein L35HA [auth A3]65Escherichia coli K-12Mutation(s): 0 
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Find proteins for P0A7Q1 (Escherichia coli (strain K12))
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Entity ID: 35
MoleculeChains Sequence LengthOrganismDetailsImage
50S ribosomal protein L36IA [auth A4]38Escherichia coli K-12Mutation(s): 0 
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Entity ID: 37
MoleculeChains Sequence LengthOrganismDetailsImage
30S ribosomal protein S2KA [auth BB]241Escherichia coli K-12Mutation(s): 0 
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Find proteins for P0A7V0 (Escherichia coli (strain K12))
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Entity ID: 38
MoleculeChains Sequence LengthOrganismDetailsImage
30S ribosomal protein S3LA [auth BC]233Escherichia coli K-12Mutation(s): 0 
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Entity ID: 39
MoleculeChains Sequence LengthOrganismDetailsImage
30S ribosomal protein S4MA [auth BD]206Escherichia coli K-12Mutation(s): 0 
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Entity ID: 40
MoleculeChains Sequence LengthOrganismDetailsImage
30S ribosomal protein S5NA [auth BE]167Escherichia coli K-12Mutation(s): 0 
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Entity ID: 41
MoleculeChains Sequence LengthOrganismDetailsImage
30S ribosomal protein S6OA [auth BF]135Escherichia coli K-12Mutation(s): 0 
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Entity ID: 42
MoleculeChains Sequence LengthOrganismDetailsImage
30S ribosomal protein S7PA [auth BG]179Escherichia coli K-12Mutation(s): 0 
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Entity ID: 43
MoleculeChains Sequence LengthOrganismDetailsImage
30S ribosomal protein S8QA [auth BH]130Escherichia coli K-12Mutation(s): 0 
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Entity ID: 44
MoleculeChains Sequence LengthOrganismDetailsImage
30S ribosomal protein S9RA [auth BI]130Escherichia coli K-12Mutation(s): 0 
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Entity ID: 45
MoleculeChains Sequence LengthOrganismDetailsImage
30S ribosomal protein S10SA [auth BJ]103Escherichia coli K-12Mutation(s): 0 
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Entity ID: 46
MoleculeChains Sequence LengthOrganismDetailsImage
30S ribosomal protein S11TA [auth BK]129Escherichia coli K-12Mutation(s): 0 
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Entity ID: 47
MoleculeChains Sequence LengthOrganismDetailsImage
30S ribosomal protein S12UA [auth BL]124Escherichia coli K-12Mutation(s): 0 
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Entity ID: 48
MoleculeChains Sequence LengthOrganismDetailsImage
30S ribosomal protein S13VA [auth BM]118Escherichia coli K-12Mutation(s): 0 
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Entity ID: 49
MoleculeChains Sequence LengthOrganismDetailsImage
30S ribosomal protein S14WA [auth BN]101Escherichia coli K-12Mutation(s): 0 
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Find proteins for P0AG59 (Escherichia coli (strain K12))
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Entity ID: 50
MoleculeChains Sequence LengthOrganismDetailsImage
30S ribosomal protein S15XA [auth BO]89Escherichia coli O157:H7Mutation(s): 0 
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Entity ID: 51
MoleculeChains Sequence LengthOrganismDetailsImage
30S ribosomal protein S16YA [auth BP]82Escherichia coli K-12Mutation(s): 0 
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Entity ID: 52
MoleculeChains Sequence LengthOrganismDetailsImage
30S ribosomal protein S17ZA [auth BQ]84Escherichia coli K-12Mutation(s): 0 
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Entity ID: 53
MoleculeChains Sequence LengthOrganismDetailsImage
30S ribosomal protein S18AB [auth BR]75Escherichia coli K-12Mutation(s): 0 
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Entity ID: 54
MoleculeChains Sequence LengthOrganismDetailsImage
30S ribosomal protein S19BB [auth BS]92Escherichia coli K-12Mutation(s): 0 
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Entity ID: 55
MoleculeChains Sequence LengthOrganismDetailsImage
30S ribosomal protein S20CB [auth BT]87Escherichia coli K-12Mutation(s): 0 
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Entity ID: 56
MoleculeChains Sequence LengthOrganismDetailsImage
30S ribosomal protein S21DB [auth BU]71Escherichia coli K-12Mutation(s): 0 
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Entity ID: 1
MoleculeChains LengthOrganismImage
5S ribosomal RNAA [auth A7]120Escherichia coli
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Entity ID: 2
MoleculeChains LengthOrganismImage
23S ribosomal RNAB [auth A8]2,904Escherichia coli
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Entity ID: 36
MoleculeChains LengthOrganismImage
16S ribosomal RNAJA [auth BA]1,542Escherichia coli
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Experimental Data & Validation

Experimental Data

  • Method: ELECTRON MICROSCOPY
  • Resolution: 9.60 Å
  • Aggregation State: PARTICLE 
  • Reconstruction Method: SINGLE PARTICLE 
EM Software:
TaskSoftware PackageVersion
RECONSTRUCTIONEMAN

Structure Validation

View Full Validation Report



Entry History 

Deposition Data

Revision History  (Full details and data files)

  • Version 1.0: 2014-07-09
    Type: Initial release
  • Version 1.1: 2014-12-10
    Changes: Other
  • Version 1.2: 2015-04-22
    Changes: Other
  • Version 1.3: 2018-07-18
    Changes: Data collection, Other
  • Version 1.4: 2019-12-18
    Changes: Other
  • Version 1.5: 2024-02-28
    Changes: Data collection, Database references, Refinement description