6LO8

Cryo-EM structure of the TIM22 complex from yeast

• PDB DOI: https://doi.org/10.2210/pdb6LO8/pdb
• EM Map EMD-0935: EMDB EMDataResource

• Classification: PROTEIN TRANSPORT
• Organism(s): Saccharomyces cerevisiae S288C
• Mutation(s): No 
• Membrane Protein: Yes  OPMPDBTMMemProtMDmpstruc


• Deposited: 2020-01-04 Released: 2020-09-30 
• Deposition Author(s): Zhang, Y., Zhou, X., Wu, X., Li, L.

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Experimental Data Snapshot

• Method: ELECTRON MICROSCOPY
• Resolution: 3.83 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

Literature

Structure of the mitochondrial TIM22 complex from yeast.

Zhang, Y., Ou, X., Wang, X., Sun, D., Zhou, X., Wu, X., Li, Q., Li, L.

(2021) Cell Res 31: 366-368

• PubMed: 32918038 
• DOI: https://doi.org/10.1038/s41422-020-00399-0
• Primary Citation of Related Structures:  
  6LO8

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Organizational Affiliation: 

State Key Laboratory of Membrane Biology, Peking University, Beijing, China.

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Hetero 10-mer - A3B2C1D1E1F1G1 Pseudo Symmetry: Asymmetric - C1 
Pseudo Stoichiometry: Hetero 10-mer - A6B1C1D1E1 Local Symmetry: Cyclic - C3  (Explore in 3D)
Local Stoichiometry: Homo 3-mer - A3 

Local Symmetry: Cyclic - C3  (Explore in 3D)
Local Stoichiometry: Homo 3-mer - A3 

Biological assembly 1 assigned by authors.

Biological Assembly Evidence: gel filtration

Macromolecule Content

• Total Structure Weight: 183.67 kDa 
• Atom Count: 7,972 
• Modelled Residue Count: 997 
• Deposited Residue Count: 1,630 
• Unique protein chains: 7

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Mitochondrial import inner membrane translocase subunit TIM22	A	206	Saccharomyces cerevisiae S288C	Mutation(s): 0  Membrane Entity: Yes
UniProt
Find proteins for Q12328 (Saccharomyces cerevisiae (strain ATCC 204508 / S288c)) Explore Q12328  Go to UniProtKB:  Q12328

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
Mitochondrial import inner membrane translocase subunit TIM54	B	478	Saccharomyces cerevisiae S288C	Mutation(s): 0  Membrane Entity: Yes
UniProt
Find proteins for P47045 (Saccharomyces cerevisiae (strain ATCC 204508 / S288c)) Explore P47045  Go to UniProtKB:  P47045

Entity ID: 3
Molecule	Chains	Sequence Length	Organism	Details	Image
Succinate dehydrogenase [ubiquinone] cytochrome b subunit, mitochondrial	C	198	Saccharomyces cerevisiae S288C	Mutation(s): 0  Membrane Entity: Yes
UniProt
Find proteins for P33421 (Saccharomyces cerevisiae (strain ATCC 204508 / S288c)) Explore P33421  Go to UniProtKB:  P33421

Entity ID: 4
Molecule	Chains	Sequence Length	Organism	Details	Image
Mitochondrial import inner membrane translocase subunit TIM18	D	192	Saccharomyces cerevisiae S288C	Mutation(s): 0  Membrane Entity: Yes
UniProt
Find proteins for Q08749 (Saccharomyces cerevisiae (strain ATCC 204508 / S288c)) Explore Q08749  Go to UniProtKB:  Q08749

Entity ID: 5
Molecule	Chains	Sequence Length	Organism	Details	Image
Mitochondrial import inner membrane translocase subunit TIM9	E, G, I	87	Saccharomyces cerevisiae S288C	Mutation(s): 0  Membrane Entity: Yes
UniProt
Find proteins for O74700 (Saccharomyces cerevisiae (strain ATCC 204508 / S288c)) Explore O74700  Go to UniProtKB:  O74700

Entity ID: 6
Molecule	Chains	Sequence Length	Organism	Details	Image
Mitochondrial import inner membrane translocase subunit TIM12	F	109	Saccharomyces cerevisiae S288C	Mutation(s): 0  Membrane Entity: Yes
UniProt
Find proteins for P32830 (Saccharomyces cerevisiae (strain ATCC 204508 / S288c)) Explore P32830  Go to UniProtKB:  P32830

Entity ID: 7
Molecule	Chains	Sequence Length	Organism	Details	Image
Mitochondrial import inner membrane translocase subunit TIM10	H, J	93	Saccharomyces cerevisiae S288C	Mutation(s): 0  Membrane Entity: Yes
UniProt
Find proteins for P87108 (Saccharomyces cerevisiae (strain ATCC 204508 / S288c)) Explore P87108  Go to UniProtKB:  P87108

Experimental Data & Validation

Experimental Data

• Method: ELECTRON MICROSCOPY
• Resolution: 3.83 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

EM Software:

Task	Software Package	Version
MODEL REFINEMENT	PHENIX
RECONSTRUCTION	RELION

Structure Validation

Entry History 

Deposition Data

• Released Date: 2020-09-30 
Deposition Author(s): Zhang, Y., Zhou, X., Wu, X., Li, L.

Revision History  

• Version 1.0: 2020-09-30
  Type: Initial release
  
• Version 1.1: 2021-03-17
  Changes: Database references
• Version 1.2: 2024-10-23
  Changes: Data collection, Database references, Structure summary