2ZWK

Crystal structure of intimin-Tir90 complex

• PDB DOI: https://doi.org/10.2210/pdb2ZWK/pdb

• Classification: CELL ADHESION
• Organism(s): Escherichia coli O157:H7 str. EDL933
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): No 


• Deposited: 2008-12-16 Released: 2009-12-22 
• Deposition Author(s): Ma, Y., Gao, F., Li, D.-F., Gao, G.F.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 3.10 Å
• R-Value Free: 0.360 
• R-Value Work: 0.301 

Literature

Structural insight into the interaction between intimin and Tir of enterohaemorrhagic E coli: evidence for a dynamic sequential clustering-aggregating-reticulating model

Ma, Y., Zou, Q., Gao, G.F.

To be published.

Biological Assembly 1  

Global Symmetry: Dihedral - D2  (Explore in 3D)
Global Stoichiometry: Hetero 8-mer - A4B4 

Biological assembly 1 assigned by authors.

Biological Assembly 2  

Global Symmetry: Dihedral - D2  (Explore in 3D)
Global Stoichiometry: Hetero 8-mer - A4B4 

Biological assembly 2 assigned by authors.

Macromolecule Content

• Total Structure Weight: 84.48 kDa 
• Atom Count: 5,655 
• Modelled Residue Count: 738 
• Deposited Residue Count: 768 
• Unique protein chains: 2

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Intimin	A, C, E	184	Escherichia coli O157:H7 str. EDL933	Mutation(s): 0  Gene Names: intimin
UniProt
Find proteins for P43261 (Escherichia coli O157:H7) Explore P43261  Go to UniProtKB:  P43261

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
Putative translocated intimin receptor protein (Translocated intimin receptor Tir)	B, D, F	72	Escherichia coli O157:H7 str. EDL933	Mutation(s): 0  Gene Names: tir
UniProt
Find proteins for Q7DB77 (Escherichia coli O157:H7) Explore Q7DB77  Go to UniProtKB:  Q7DB77

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 3.10 Å
• R-Value Free: 0.360 
• R-Value Work: 0.301 
• Space Group: I 4₁ 2 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 96.78	α = 90
b = 96.78	β = 90
c = 644.31	γ = 90

Software Package:

Software Name	Purpose
ADSC	data collection
PHASES	phasing
CNS	refinement
MOSFLM	data reduction
SCALA	data scaling

Structure Validation

Entry History 

Deposition Data

• Released Date: 2009-12-22 
Deposition Author(s): Ma, Y., Gao, F., Li, D.-F., Gao, G.F.

Revision History  

• Version 1.0: 2009-12-22
  Type: Initial release
  
• Version 1.1: 2011-07-13
  Changes: Version format compliance
• Version 1.2: 2023-11-01
  Changes: Data collection, Database references, Refinement description