6NQZ | pdb_00006nqz

Flagellar protein FcpB from Leptospira interrogans

• PDB DOI: https://doi.org/10.2210/pdb6NQZ/pdb

• Classification: PROTEIN FIBRIL
• Organism(s): Leptospira interrogans serovar Copenhageni str. Fiocruz L1-130
• Expression System: Escherichia coli
• Mutation(s): No 


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

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.58 Å
• R-Value Free: 
  0.250 (Depositor), 0.253 (DCC) 
• R-Value Work: 
  0.204 (Depositor), 0.214 (DCC) 
• R-Value Observed: 
  0.206 (Depositor) 

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

Biological assembly 1 assigned by authors and generated by PISA (software)

Biological Assembly Evidence: microscopy

Macromolecule Content 

• Total Structure Weight: 61.48 kDa 
• Atom Count: 3,493 
• Modeled Residue Count: 421 
• Deposited Residue Count: 520 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Flagellar coiling protein B	A, B	260	Leptospira interrogans serovar Copenhageni str. Fiocruz L1-130	Mutation(s): 0  Gene Names: LIC_11848
UniProt
Find proteins for Q72RA0 (Leptospira interrogans serogroup Icterohaemorrhagiae serovar copenhageni (strain Fiocruz L1-130)) Explore Q72RA0  Go to UniProtKB:  Q72RA0

Small Molecules

Ligands 3 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
I3C	C [auth A]	5-amino-2,4,6-triiodobenzene-1,3-dicarboxylic acid C8 H4 I3 N O4 JEZJSNULLBSYHV-UHFFFAOYSA-N
IOD	D [auth A], G [auth A], H [auth B]	IODIDE ION I XMBWDFGMSWQBCA-UHFFFAOYSA-M
GOL	E [auth A], F [auth A]	GLYCEROL C3 H8 O3 PEDCQBHIVMGVHV-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.58 Å
• R-Value Free:  0.250 (Depositor), 0.253 (DCC) 
• R-Value Work:  0.204 (Depositor), 0.214 (DCC) 
• R-Value Observed: 0.206 (Depositor) 

Diffraction Data: https://doi.org/10.15785/SBGRID/694

Diffraction Data: https://doi.org/10.15785/SBGRID/695

Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 60.735	α = 90
b = 65.653	β = 90
c = 134.396	γ = 90

Software Package:

Software Name	Purpose
BUSTER	refinement
SCALA	data scaling
PDB_EXTRACT	data extraction
TRUNCATE	data reduction
SHELXCD	phasing
SHARP	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2020-01-29 
Deposition Author(s): Trajtenberg, F., Larrieux, N., 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: 2024-10-16
  Changes: Data collection, Database references, Structure summary