4PS2

Structure of the C-terminal fragment (87-165) of E.coli EAEC TssB molecule

• PDB DOI: https://doi.org/10.2210/pdb4PS2/pdb

• Classification: CONTRACTILE PROTEIN
• Organism(s): Escherichia coli 042
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2014-03-06 Released: 2015-03-11 
• Deposition Author(s): Douzi, B., Logger, L., Spinelli, S., Blangy, S., Cambillau, C., Cascales, E.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.00 Å
• R-Value Free: 0.217 
• R-Value Work: 0.181 
• R-Value Observed: 0.185 

Literature

Mapping the tube-sheath interface within the Type VI secretion system tail

Douzi, B., Logger, L., Spinelli, S., Blangy, S., Cambillau, C., Cascales, E.

To be published.

Biological Assembly 1  

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

Biological assembly 1 assigned by authors.

Biological Assembly 2  

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

Biological assembly 2 generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 9.38 kDa 
• Atom Count: 725 
• Modelled Residue Count: 79 
• Deposited Residue Count: 79 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Putative type VI secretion protein	A	79	Escherichia coli 042	Mutation(s): 0
UniProt
Find proteins for D3GU37 (Escherichia coli O44:H18 (strain 042 / EAEC)) Explore D3GU37  Go to UniProtKB:  D3GU37

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
ZN	B [auth A]	ZINC ION Zn PTFCDOFLOPIGGS-UHFFFAOYSA-N
CL	C [auth A]	CHLORIDE ION Cl VEXZGXHMUGYJMC-UHFFFAOYSA-M

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.00 Å
• R-Value Free: 0.217 
• R-Value Work: 0.181 
• R-Value Observed: 0.185 
• Space Group: C 2 2 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 52.64	α = 90
b = 69.15	β = 90
c = 45.88	γ = 90

Software Package:

Software Name	Purpose
PROTEUM PLUS	data collection
SHELXS	phasing
BUSTER	refinement
XDS	data reduction
SCALA	data scaling

Structure Validation

Entry History 

Deposition Data

• Released Date: 2015-03-11 
Deposition Author(s): Douzi, B., Logger, L., Spinelli, S., Blangy, S., Cambillau, C., Cascales, E.

Revision History  

• Version 1.0: 2015-03-11
  Type: Initial release
  
• Version 1.1: 2024-03-20
  Changes: Data collection, Database references, Derived calculations