3KEB | pdb_00003keb

Thiol peroxidase from Chromobacterium violaceum

• PDB DOI: https://doi.org/10.2210/pdb3KEB/pdb

• Classification: OXIDOREDUCTASE
• Organism(s): Chromobacterium violaceum
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): No 


• Deposited: 2009-10-25 Released: 2009-11-03 
• Deposition Author(s): Osipiuk, J., Kagan, O., Savchenko, A., Edwards, A.M., Joachimiak, A., Midwest Center for Structural Genomics (MCSG)

---

Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.80 Å
• R-Value Free: 
  0.242 (Depositor), 0.250 (DCC) 
• R-Value Work: 
  0.206 (Depositor), 0.210 (DCC) 
• R-Value Observed: 
  0.207 (Depositor) 

Starting Model: experimental

Literature

X-ray crystal structure of thiol peroxidase from Chromobacterium violaceum

Osipiuk, J., Kagan, O., Savchenko, A., Edwards, A.M., Joachimiak, A.

To be published.

Biological Assembly 1  

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

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

Biological Assembly 2  

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

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

Macromolecule Content

• Total Structure Weight: 102.76 kDa 
• Atom Count: 6,662 
• Modelled Residue Count: 696 
• Deposited Residue Count: 896 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Probable thiol peroxidase	A, B, C, D	224	Chromobacterium violaceum	Mutation(s): 0  Gene Names: CV_3708 EC: 1.11.1
UniProt
Find proteins for Q7NRS2 (Chromobacterium violaceum (strain ATCC 12472 / DSM 30191 / JCM 1249 / CCUG 213 / NBRC 12614 / NCIMB 9131 / NCTC 9757 / MK)) Explore Q7NRS2  Go to UniProtKB:  Q7NRS2

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
SO4	E [auth B], G [auth C]	SULFATE ION O4 S QAOWNCQODCNURD-UHFFFAOYSA-L
CL	F [auth B], H [auth C], I [auth D]	CHLORIDE ION Cl VEXZGXHMUGYJMC-UHFFFAOYSA-M

Modified Residues  1 Unique
ID	Chains	Type	Formula	2D Diagram	Parent
MSE	A, B, C, D	L-PEPTIDE LINKING	C5 H11 N O2 Se		MET

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.80 Å
• R-Value Free:  0.242 (Depositor), 0.250 (DCC) 
• R-Value Work:  0.206 (Depositor), 0.210 (DCC) 
• R-Value Observed: 0.207 (Depositor) 

Space Group: P 1 2₁ 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 74.63	α = 90
b = 59.387	β = 98.3
c = 93.484	γ = 90

Software Package:

Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
REFMAC	refinement
PDB_EXTRACT	data extraction
SBC-Collect	data collection
HKL-3000	data reduction
MOLREP	phasing
HKL-3000	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2009-11-03 
Deposition Author(s): Osipiuk, J., Kagan, O., Savchenko, A., Edwards, A.M., Joachimiak, A., Midwest Center for Structural Genomics (MCSG)

Revision History  

• Version 1.0: 2009-11-03
  Type: Initial release
  
• Version 1.1: 2011-07-13
  Changes: Advisory, Refinement description, Version format compliance
• Version 1.2: 2017-11-01
  Changes: Refinement description
• Version 1.3: 2023-09-06
  Changes: Data collection, Database references, Derived calculations, Refinement description
• Version 1.4: 2023-11-22
  Changes: Data collection
• Version 1.5: 2024-11-27
  Changes: Structure summary