8K8Y

CryoEM structure of LonC heptamer in presence of AGS

• PDB DOI: https://doi.org/10.2210/pdb8K8Y/pdb
• EM Map EMD-36968: 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: 2.54 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: Cyclic - C7  (Explore in 3D)
Global Stoichiometry: Homo 7-mer - A7 

Biological assembly 1 assigned by authors.

Biological Assembly Evidence: electron microscopy

Macromolecule Content

• Total Structure Weight: 564.71 kDa 
• Atom Count: 39,067 
• Modelled Residue Count: 5,033 
• Deposited Residue Count: 5,124 
• Unique protein chains: 1

Macromolecules

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

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
TS6	H [auth A], I [auth G], J [auth F], K [auth E], L [auth D], M [auth C], N [auth B]	Monothiophosphate H3 O3 P S RYYWUUFWQRZTIU-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: ELECTRON MICROSCOPY
• Resolution: 2.54 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

EM Software:

Task	Software Package	Version
RECONSTRUCTION	cryoSPARC	3.2

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