8K8W

CryoEM structure of LonC protease open hexamer, apo state

• PDB DOI: https://doi.org/10.2210/pdb8K8W/pdb
• EM Map EMD-36966: EMDB EMDataResource

• Classification: CHAPERONE
• Organism(s): Meiothermus taiwanensis
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2023-07-31 Released: 2024-08-07 
• Deposition Author(s): Li, M., Hsieh, K., Liu, H., Zhang, S., Gao, Y., Gong, Q., Zhang, K., Chang, C., Li, S.
• Funding Organization(s): Other government

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Experimental Data Snapshot

• Method: ELECTRON MICROSCOPY
• Resolution: 3.46 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

Literature

Bifurcated assembly pathway and dual function of a Lon-like protease revealed by cryo-EM Analysis

Li, M., Liu, H., Hsieh, K.Y., Zhang, S., Gao, Y., Gong, Q., Zhang, K., Chang, C.I., Li, S.

(2024) Fundam Res 

• DOI: https://doi.org/10.1016/j.fmre.2024.02.020

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Homo 6-mer - A6 

Biological assembly 1 assigned by authors.

Biological Assembly Evidence: electron microscopy

Macromolecule Content

• Total Structure Weight: 483.35 kDa 
• Atom Count: 33,456 
• Modelled Residue Count: 4,314 
• Deposited Residue Count: 4,392 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
endopeptidase La	A [auth D], B [auth C], C [auth B], D [auth A], E [auth F], F [auth E]	732	Meiothermus taiwanensis	Mutation(s): 0  Gene Names: lon_2, Mcate_02721 EC: 3.4.21.53
UniProt
Find proteins for C9DRU9 (Meiothermus taiwanensis) Explore C9DRU9  Go to UniProtKB:  C9DRU9

Experimental Data & Validation

Experimental Data

• Method: ELECTRON MICROSCOPY
• Resolution: 3.46 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

EM Software:

Task	Software Package	Version
RECONSTRUCTION	cryoSPARC	4.2

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2024-08-07 
Deposition Author(s): Li, M., Hsieh, K., Liu, H., Zhang, S., Gao, Y., Gong, Q., Zhang, K., Chang, C., Li, S.

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Funding Organization	Location	Grant Number
Other government	China	--

Revision History  

• Version 1.0: 2024-08-07
  Type: Initial release