2B3S

structure of the DSBA mutant (P31G-C33A)

• PDB DOI: https://doi.org/10.2210/pdb2B3S/pdb

• Classification: OXIDOREDUCTASE
• Organism(s): Escherichia coli K-12
• Expression System: Escherichia coli
• Mutation(s): Yes 


• Deposited: 2005-09-21 Released: 2006-09-05 
• Deposition Author(s): Vives, C., Royant, A., Serre, L.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.96 Å
• R-Value Free: 0.257 
• R-Value Work: 0.214 
• R-Value Observed: 0.216 

Starting Model: experimental

Literature

Structure of the DSBA mutant (P31G-C33A)

Vives, C., Royant, A., Serre, L.

To be published.

Biological Assembly 1  

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

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

Biological Assembly 2  

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

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

Biological Assembly 3  

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

Biological assembly 3 generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 42.17 kDa 
• Atom Count: 3,158 
• Modelled Residue Count: 374 
• Deposited Residue Count: 378 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Thiol:disulfide interchange protein dsbA	A, B	189	Escherichia coli K-12	Mutation(s): 2  Gene Names: dsbA, dsf, ppfA
UniProt
Find proteins for P0AEG4 (Escherichia coli (strain K12)) Explore P0AEG4  Go to UniProtKB:  P0AEG4

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.96 Å
• R-Value Free: 0.257 
• R-Value Work: 0.214 
• R-Value Observed: 0.216 
• Space Group: P 3₂

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 56.31	α = 90
b = 56.31	β = 90
c = 108.204	γ = 120

Software Package:

Software Name	Purpose
MOSFLM	data reduction
SCALA	data scaling
MOLREP	phasing
REFMAC	refinement
CCP4	data scaling

Structure Validation

Entry History 

Deposition Data

• Released Date: 2006-09-05 
Deposition Author(s): Vives, C., Royant, A., Serre, L.

Revision History  

• Version 1.0: 2006-09-05
  Type: Initial release
  
• Version 1.1: 2008-05-01
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Derived calculations, Source and taxonomy, Version format compliance
• Version 1.3: 2021-10-20
  Changes: Database references
• Version 1.4: 2023-08-23
  Changes: Data collection, Refinement description