2OVL | pdb_00002ovl

Crystal structure of a racemase from Streptomyces coelicolor A3(2)

• PDB DOI: https://doi.org/10.2210/pdb2OVL/pdb

• Classification: ISOMERASE
• Organism(s): Streptomyces coelicolor A3(2)
• Expression System: Escherichia coli
• Mutation(s): Yes 


• Deposited: 2007-02-14 Released: 2007-03-20 
• Deposition Author(s): Rao, K.N., Burley, S.K., Swaminathan, S., New York SGX Research Center for Structural Genomics (NYSGXRC)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.13 Å
• R-Value Free: 
  0.243 (Depositor), 0.243 (DCC) 
• R-Value Work: 
  0.215 (Depositor), 0.215 (DCC) 
• R-Value Observed: 
  0.215 (Depositor) 

Literature

Crystal structure of a racemase from Streptomyces coelicolor A3(2)

Rao, K.N., Burley, S.K., Swaminathan, S.

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)

Biological Assembly 3  

Global Symmetry: Dihedral - D4  (Explore in 3D)
Global Stoichiometry: Homo 8-mer - A8 

Biological assembly 3 generated by PISA (software)

Biological Assembly 4  

Global Symmetry: Dihedral - D4  (Explore in 3D)
Global Stoichiometry: Homo 8-mer - A8 

Biological assembly 4 generated by PISA (software)

Macromolecule Content 

• Total Structure Weight: 164.92 kDa 
• Atom Count: 11,225 
• Modeled Residue Count: 1,405 
• Deposited Residue Count: 1,484 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Putative racemase	A, B, C, D	371	Streptomyces coelicolor A3(2)	Mutation(s): 11  Gene Names: SCO3480, SCE65.16c EC: 5.5.1.25
UniProt
Find proteins for Q9RKF7 (Streptomyces coelicolor (strain ATCC BAA-471 / A3(2) / M145)) Explore Q9RKF7  Go to UniProtKB:  Q9RKF7

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
NA	E [auth A], F [auth B], G [auth C], H [auth D]	SODIUM ION Na FKNQFGJONOIPTF-UHFFFAOYSA-N

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: 2.13 Å
• R-Value Free:  0.243 (Depositor), 0.243 (DCC) 
• R-Value Work:  0.215 (Depositor), 0.215 (DCC) 
• R-Value Observed: 0.215 (Depositor) 

Space Group: P 4 2₁ 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 177.603	α = 90
b = 177.603	β = 90
c = 111.812	γ = 90

Software Package:

Software Name	Purpose
CNS	refinement
CBASS	data collection
HKL-2000	data reduction
HKL-2000	data scaling
SHELXD	phasing
SHARP	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2007-03-20 
Deposition Author(s): Rao, K.N., Burley, S.K., Swaminathan, S., New York SGX Research Center for Structural Genomics (NYSGXRC)

Revision History  

• Version 1.0: 2007-03-20
  Type: Initial release
  
• Version 1.1: 2008-05-01
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Version format compliance
• Version 1.3: 2021-02-03
  Changes: Database references, Derived calculations, Structure summary
• Version 1.4: 2024-10-30
  Changes: Data collection, Database references, Structure summary