6NQX

Flagellar protein FcpA from Leptospira biflexa / primitive monoclinic form

• PDB DOI: https://doi.org/10.2210/pdb6NQX/pdb

• Classification: PROTEIN FIBRIL
• Organism(s): Leptospira biflexa serovar Patoc strain 'Patoc 1 (Paris)
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2019-01-22 Released: 2020-01-29 
• Deposition Author(s): Mechaly, A., Larrieux, N., Trajtenberg, F., Buschiazzo, A.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.95 Å
• R-Value Free: 0.222 
• R-Value Work: 0.197 
• R-Value Observed: 0.198 

Literature

An asymmetric sheath controls flagellar supercoiling and motility in the Leptospira spirochete

Gibson, K., Trajtenberg, F., Brady, M., San Martin, F., Mechaly, A., Wunder, E., Picardeau, M., Ko, A., Buschiazzo, A., Sindelar, C.

(2020) Elife 9: e53672

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Homo 4-mer - A4 

Local Symmetry: Cyclic - C2  (Explore in 3D)
Local Stoichiometry: Homo 2-mer - A2 Local Symmetry: Cyclic - C2  (Explore in 3D)
Local Stoichiometry: Homo 2-mer - A2 

Biological assembly 1 assigned by authors.

Biological Assembly Evidence: microscopy

Macromolecule Content

• Total Structure Weight: 130.1 kDa 
• Atom Count: 8,024 
• Modelled Residue Count: 945 
• Deposited Residue Count: 1,076 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Flagellar coiling protein A	A, B, C, D	269	Leptospira biflexa serovar Patoc strain 'Patoc 1 (Paris)	Mutation(s): 0  Gene Names: LEPBI_I0267
UniProt
Find proteins for B0STJ8 (Leptospira biflexa serovar Patoc (strain Patoc 1 / ATCC 23582 / Paris)) Explore B0STJ8  Go to UniProtKB:  B0STJ8

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
GOL	E [auth A], F [auth B], G [auth B], H [auth B], I [auth C], J [auth D]	GLYCEROL C3 H8 O3 PEDCQBHIVMGVHV-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.95 Å
• R-Value Free: 0.222 
• R-Value Work: 0.197 
• R-Value Observed: 0.198 
• Space Group: P 1 2₁ 1
• Diffraction Data: https://doi.org/10.15785/SBGRID/691

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 85.475	α = 90
b = 96.465	β = 105.19
c = 121.138	γ = 90

Software Package:

Software Name	Purpose
Aimless	data scaling
BUSTER	refinement
PDB_EXTRACT	data extraction
TRUNCATE	data reduction
PHASER	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2020-01-29 
Deposition Author(s): Mechaly, A., Larrieux, N., Trajtenberg, F., Buschiazzo, A.

Revision History  

• Version 1.0: 2020-01-29
  Type: Initial release
  
• Version 1.1: 2020-03-18
  Changes: Database references
• Version 1.2: 2024-03-13
  Changes: Data collection, Database references