1CZW

STRUCTURE OF THE W34A MUTANT OF SHIGA-LIKE TOXIN I B SUBUNIT

• PDB DOI: https://doi.org/10.2210/pdb1CZW/pdb

• Classification: TOXIN
• Organism(s): Phage h30
• Expression System: Escherichia coli
• Mutation(s): Yes 


• Deposited: 1999-09-07 Released: 2000-09-08 
• Deposition Author(s): Ling, H., Boodhoo, A., Brunton, J.L., Read, R.J.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.50 Å
• R-Value Free: 0.214 
• R-Value Work: 0.182 
• R-Value Observed: 0.182 

Literature

A native structure of the W34A mutant at 2.5 A

Ling, H., Boodhoo, A., Brunton, J.L., Read, R.J.

To be published.

Biological Assembly 1  

Global Symmetry: Cyclic - C5  (Explore in 3D)
Global Stoichiometry: Homo 5-mer - A5 

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

Biological Assembly 2  

Global Symmetry: Cyclic - C5  (Explore in 3D)
Global Stoichiometry: Homo 5-mer - A5 

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

Macromolecule Content

• Total Structure Weight: 75.84 kDa 
• Atom Count: 5,574 
• Modelled Residue Count: 690 
• Deposited Residue Count: 690 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
SHIGA TOXIN B-CHAIN	A, B, C, D, E, F, G, H, I, J	69	Phage h30	Mutation(s): 1
UniProt
Find proteins for P69179 (Enterobacteria phage H19B) Explore P69179  Go to UniProtKB:  P69179

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.50 Å
• R-Value Free: 0.214 
• R-Value Work: 0.182 
• R-Value Observed: 0.182 
• Space Group: P 2₁ 2₁ 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 107.55	α = 90
b = 108.92	β = 90
c = 57.35	γ = 90

Software Package:

Software Name	Purpose
X-GEN	data scaling
X-GEN	data reduction
AMoRE	phasing
CNS	refinement

Structure Validation

Entry History 

Deposition Data

• Released Date: 2000-09-08 
Deposition Author(s): Ling, H., Boodhoo, A., Brunton, J.L., Read, R.J.

Revision History  

• Version 1.0: 2000-09-08
  Type: Initial release
  
• Version 1.1: 2008-04-27
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Version format compliance
• Version 1.3: 2017-10-04
  Changes: Refinement description
• Version 1.4: 2018-03-14
  Changes: Database references
• Version 1.5: 2024-11-20
  Changes: Data collection, Database references, Structure summary