2PGW

Crystal structure of a putative muconate cycloisomerase from Sinorhizobium meliloti 1021

• PDB DOI: https://doi.org/10.2210/pdb2PGW/pdb

• Classification: ISOMERASE
• Organism(s): Sinorhizobium meliloti 1021
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): Yes 


• Deposited: 2007-04-10 Released: 2007-04-24 
• Deposition Author(s): Kumaran, D., Burley, S.K., Swaminathan, S., New York SGX Research Center for Structural Genomics (NYSGXRC)

---

Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.95 Å
• R-Value Free: 
  0.215 (Depositor), 0.210 (DCC) 
• R-Value Work: 
  0.196 (Depositor), 0.190 (DCC) 
• R-Value Observed: 
  0.196 (Depositor) 

Literature

Crystal structure of a putative muconate cycloisomerase from Sinorhizobium meliloti 1021

Kumaran, D., 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 (software)

Macromolecule Content

• Total Structure Weight: 342.41 kDa 
• Atom Count: 24,653 
• Modelled Residue Count: 2,978 
• Deposited Residue Count: 3,072 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Muconate cycloisomerase	A, B, C, D, E, F, G, H	384	Sinorhizobium meliloti 1021	Mutation(s): 9  Gene Names: RA0797, SMa1461 EC: 5.5.1.1
UniProt
Find proteins for Q92YR6 (Rhizobium meliloti (strain 1021)) Explore Q92YR6  Go to UniProtKB:  Q92YR6

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
GOL	I [auth A], J [auth B], K [auth C], L [auth D], M [auth E], N [auth F]	GLYCEROL C3 H8 O3 PEDCQBHIVMGVHV-UHFFFAOYSA-N

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

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.95 Å
• R-Value Free:  0.215 (Depositor), 0.210 (DCC) 
• R-Value Work:  0.196 (Depositor), 0.190 (DCC) 
• R-Value Observed: 0.196 (Depositor) 

Space Group: P 1 2₁ 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 85.315	α = 90
b = 178.139	β = 106.2
c = 115.176	γ = 90

Software Package:

Software Name	Purpose
CNS	refinement
CBASS	data collection
HKL-2000	data reduction
HKL-2000	data scaling
SHELXD	phasing
SHARP	phasing
ARP/wARP	model building

Structure Validation

Entry History 

Deposition Data

• Released Date: 2007-04-24 
Deposition Author(s): Kumaran, D., Burley, S.K., Swaminathan, S., New York SGX Research Center for Structural Genomics (NYSGXRC)

Revision History  

• Version 1.0: 2007-04-24
  Type: Initial release
  
• Version 1.1: 2008-05-01
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Source and taxonomy, Version format compliance
• Version 1.3: 2021-02-03
  Changes: Database references, Derived calculations, Structure summary
• Version 1.4: 2024-10-16
  Changes: Data collection, Database references, Structure summary