6LEA

Structure of FliS chaperone in complex with flagellin and HP1076

• PDB DOI: https://doi.org/10.2210/pdb6LEA/pdb

• Classification: CHAPERONE
• Organism(s): Helicobacter pylori CPY1124, Helicobacter pylori 26695, Helicobacter pylori
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2019-11-25 Released: 2020-05-13 
• Deposition Author(s): Au, S.W., Lam, W.W.
• Funding Organization(s): The University Grants Committee, Research Grants Council (RGC)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.95 Å
• R-Value Free: 0.247 
• R-Value Work: 0.190 
• R-Value Observed: 0.195 

Starting Model: experimental

Literature

Structure of FliS in complex with flagellin and HP1076

Lam, W.W., Sun, K., Au, S.W.

To be published.

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Hetero 3-mer - A1B1C1 

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

Biological Assembly Evidence: gel filtration

Biological Assembly 2  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Hetero 3-mer - A1B1C1 

Biological assembly 2 assigned by authors and generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 93.28 kDa 
• Atom Count: 4,283 
• Modelled Residue Count: 537 
• Deposited Residue Count: 826 
• Unique protein chains: 3

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Flagellar secretion chaperone FliS	A, B	131	Helicobacter pylori CPY1124	Mutation(s): 0  Gene Names: fliS, HPCPY1124_0918

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
Uncharacterized protein HP_1076	C, D	177	Helicobacter pylori 26695	Mutation(s): 0  Gene Names: HP_1076
UniProt
Find proteins for O25709 (Helicobacter pylori (strain ATCC 700392 / 26695)) Explore O25709  Go to UniProtKB:  O25709

Entity ID: 3
Molecule	Chains	Sequence Length	Organism	Details	Image
Flagellin	E, F	105	Helicobacter pylori	Mutation(s): 0  Gene Names: HPF63_0124
UniProt
Find proteins for Q07911 (Helicobacter pylori (strain ATCC 700392 / 26695)) Explore Q07911  Go to UniProtKB:  Q07911

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.95 Å
• R-Value Free: 0.247 
• R-Value Work: 0.190 
• R-Value Observed: 0.195 
• Space Group: P 6₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 103.33	α = 90
b = 103.33	β = 90
c = 144.211	γ = 120

Software Package:

Software Name	Purpose
PHENIX	refinement
PDB_EXTRACT	data extraction
MOSFLM	data reduction
SCALA	data scaling
PHASER	phasing

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2020-05-13 
Deposition Author(s): Au, S.W., Lam, W.W.

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Funding Organization	Location	Grant Number
The University Grants Committee, Research Grants Council (RGC)	Hong Kong	14100114

Revision History  

• Version 1.0: 2020-05-13
  Type: Initial release
  
• Version 1.1: 2023-11-22
  Changes: Data collection, Database references, Refinement description