9LRZ | pdb_00009lrz

Core filament of the spirochete periplasmic flagella of Leptospira biflexa

• PDB DOI: https://doi.org/10.2210/pdb9LRZ/pdb
• EM Map EMD-63348: EMDB EMDataResource

• Classification: MOTOR PROTEIN
• Organism(s): Leptospira biflexa
• Mutation(s): No 


• Deposited: 2025-02-02 Released: 2025-12-24 
• Deposition Author(s): Kawamoto, A., Nakamura, S., Koizumi, N.
• Funding Organization(s): Japan Society for the Promotion of Science (JSPS), Japan Science and Technology

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Experimental Data Snapshot

• Method: ELECTRON MICROSCOPY
• Resolution: 2.40 Å
• Aggregation State: FILAMENT 
• Reconstruction Method: HELICAL 

Literature

Cooperativity of sheath proteins in the flagellar assembly of Leptospira spirochete

Kawamoto, A., Kuribayashi, T., Morita, M., Nakamura, S., Koizumi, N.

To be published.

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Monomer - A1 

Biological assembly 1 assigned by authors.

Biological Assembly Evidence: electron microscopy

Macromolecule Content 

• Total Structure Weight: 31.27 kDa 
• Atom Count: 2,172 
• Modeled Residue Count: 280 
• Deposited Residue Count: 281 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Flagellin	A	281	Leptospira biflexa	Mutation(s): 0

Experimental Data & Validation

Experimental Data

• Method: ELECTRON MICROSCOPY
• Resolution: 2.40 Å
• Aggregation State: FILAMENT 
• Reconstruction Method: HELICAL 

EM Software:

Task	Software Package	Version
RECONSTRUCTION	RELION	3.1.3
MODEL REFINEMENT	PHENIX	1.21.1_5286

Structure Validation

Entry History 

& Funding Information

Deposition Data

• Released Date: 2025-12-24 
Deposition Author(s): Kawamoto, A., Nakamura, S., Koizumi, N.

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Funding Organization	Location	Grant Number
Japan Society for the Promotion of Science (JSPS)	Japan	24K02274
Japan Science and Technology	Japan	JPMJPR21E5

Revision History  

• Version 1.0: 2025-12-24
  Type: Initial release