2OG9

Crystal Structure of mandelate racemase/muconate lactonizing enzyme from Polaromonas sp. JS666

• PDB DOI: https://doi.org/10.2210/pdb2OG9/pdb

• Classification: ISOMERASE
• Organism(s): Polaromonas sp. JS666
• Expression System: Escherichia coli
• Mutation(s): Yes 


• Deposited: 2007-01-05 Released: 2007-02-27 
• Deposition Author(s): Kumaran, D., 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: 1.90 Å
• R-Value Free: 0.230 
• R-Value Work: 0.203 
• R-Value Observed: 0.203 

Literature

Crystal Structure of mandelate racemase/muconate lactonizing enzyme from Polaromonas sp. JS666

Kumaran, D., Sridhar, V., Burley, S.K., Swaminathan, S.

To be published.

Biological Assembly 1  

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

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

Macromolecule Content

• Total Structure Weight: 87 kDa 
• Atom Count: 5,943 
• Modelled Residue Count: 726 
• Deposited Residue Count: 786 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Mandelate racemase/muconate lactonizing enzyme	A, B	393	Polaromonas sp. JS666	Mutation(s): 9  Gene Names: Bpro_0435 EC: 5.1.2.2 (PDB Primary Data), 4.2.1 (UniProt), 4.2.1.42 (UniProt)
UniProt
Find proteins for Q12GE3 (Polaromonas sp. (strain JS666 / ATCC BAA-500)) Explore Q12GE3  Go to UniProtKB:  Q12GE3

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
CA	C [auth A], D [auth B]	CALCIUM ION Ca BHPQYMZQTOCNFJ-UHFFFAOYSA-N

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

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.90 Å
• R-Value Free: 0.230 
• R-Value Work: 0.203 
• R-Value Observed: 0.203 
• Space Group: I 4

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 133.416	α = 90
b = 133.416	β = 90
c = 87.434	γ = 90

Software Package:

Software Name	Purpose
CNS	refinement
MOSFLM	data reduction
CCP4	data scaling
SHELXD	phasing
SHARP	phasing
ARP/wARP	model building

Structure Validation

Entry History 

Deposition Data

• Released Date: 2007-02-27 
Deposition Author(s): Kumaran, D., Burley, S.K., Swaminathan, S., New York SGX Research Center for Structural Genomics (NYSGXRC)

Revision History  

• Version 1.0: 2007-02-27
  Type: Initial release
  
• Version 1.1: 2008-04-24
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Derived calculations, Source and taxonomy, Version format compliance
• Version 1.3: 2021-02-03
  Changes: Database references, Derived calculations, Structure summary
• Version 1.4: 2023-12-27
  Changes: Data collection, Database references
• Version 1.5: 2024-10-30
  Changes: Structure summary