7VKU

Cryo-EM structure of SAM-Tom40 intermediate complex

• PDB DOI: https://doi.org/10.2210/pdb7VKU/pdb
• EM Map EMD-32019: EMDB EMDataResource

• Classification: TRANSLOCASE
• Organism(s): Saccharomyces cerevisiae S288C
• Expression System: Saccharomyces cerevisiae
• Mutation(s): No 
• Membrane Protein: Yes  PDBTM


• Deposited: 2021-10-01 Released: 2023-01-04 
• Deposition Author(s): Takeda, H., Tsutsumi, A., Kikkawa, M., Endo, T.
• Funding Organization(s): Japan Society for the Promotion of Science (JSPS), Japan Science and Technology, Japan Agency for Medical Research and Development (AMED)

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Experimental Data Snapshot

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

Literature

Cryo-EM structure of SAM-Tom40 intermediate complex

Takeda, H., Tsutsumi, A., Kikkawa, M., Endo, T.

To be published.

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Hetero 4-mer - A1B1C1D1 

Biological assembly 1 assigned by authors.

Biological Assembly Evidence: electron microscopy

Macromolecule Content

• Total Structure Weight: 171.53 kDa 
• Atom Count: 9,219 
• Modelled Residue Count: 1,154 
• Deposited Residue Count: 1,527 
• Unique protein chains: 4

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Sorting assembly machinery 50 kDa subunit	A	484	Saccharomyces cerevisiae S288C	Mutation(s): 0  Gene Names: SAM50, TOB55, YNL026W, N2802 Membrane Entity: Yes
UniProt
Find proteins for P53969 (Saccharomyces cerevisiae (strain ATCC 204508 / S288c)) Explore P53969  Go to UniProtKB:  P53969

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
Sorting assembly machinery 35 kDa subunit	B	329	Saccharomyces cerevisiae S288C	Mutation(s): 0  Membrane Entity: Yes
UniProt
Find proteins for P14693 (Saccharomyces cerevisiae (strain ATCC 204508 / S288c)) Explore P14693  Go to UniProtKB:  P14693

Entity ID: 3
Molecule	Chains	Sequence Length	Organism	Details	Image
Sorting assembly machinery 37 kDa subunit	C	327	Saccharomyces cerevisiae S288C	Mutation(s): 0  Gene Names: SAM37, MAS37, PET3027, TOM37, YMR060C, YM9796.13C Membrane Entity: Yes
UniProt
Find proteins for P50110 (Saccharomyces cerevisiae (strain ATCC 204508 / S288c)) Explore P50110  Go to UniProtKB:  P50110

Entity ID: 4
Molecule	Chains	Sequence Length	Organism	Details	Image
Mitochondrial import receptor subunit TOM40	D [auth X]	387	Saccharomyces cerevisiae S288C	Mutation(s): 0  Gene Names: TOM40, ISP42, MOM38, YMR203W, YM8325.04 Membrane Entity: Yes
UniProt
Find proteins for P23644 (Saccharomyces cerevisiae (strain ATCC 204508 / S288c)) Explore P23644  Go to UniProtKB:  P23644

Experimental Data & Validation

Experimental Data

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

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2023-01-04 
Deposition Author(s): Takeda, H., Tsutsumi, A., Kikkawa, M., Endo, T.

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Funding Organization	Location	Grant Number
Japan Society for the Promotion of Science (JSPS)	Japan	--
Japan Science and Technology	Japan	--
Japan Agency for Medical Research and Development (AMED)	Japan	--

Revision History  

• Version 1.0: 2023-01-04
  Type: Initial release