› 2pgw

X-ray diffraction
1.95Å resolution

Crystal structure of a putative muconate cycloisomerase from Sinorhizobium meliloti 1021

Released:
DOI: 10.2210/pdb2pgw/pdb
PDB entry 2pgw coloured by chain, front view.
PDB entry 2pgw coloured by chain, side view.
PDB entry 2pgw coloured by chain, top view.
Source organism: Sinorhizobium meliloti 1021
Entry authors: Kumaran D, Burley SK, Swaminathan S, New York SGX Research Center for Structural Genomics (NYSGXRC)

Function and Biology Details

Reaction catalysed: 
(+)-muconolactone = cis,cis-muconate
Biochemical function:
Biological process:
Cellular component:
  • not assigned
Sequence domains:

Structure analysis Details

Assembly composition:
homo octamer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-187962 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Mandelate racemase/muconate lactonizing enzyme C-terminal domain-containing protein Chains: A, B, C, D, E, F, G, H
Molecule details ›
Chains: A, B, C, D, E, F, G, H
Length: 384 amino acids
Theoretical weight: 42.73 KDa
Source organism: Sinorhizobium meliloti 1021
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: Q92YR6 (Residues: 2-374; Coverage: 100%)
Gene name: SMa1461
Sequence domains:
Structure domains:

Ligands and Environments

1 bound ligand:
Ligand GOL 6 x GOL
1 modified residue:
Ligand MSE 80 x MSE

Experiments and Validation Details

Entry percentile scores
X-ray source: NSLS BEAMLINE X29A
Spacegroup: P21
Unit cell:
a: 85.315Å b: 178.139Å c: 115.176Å
α: 90° β: 106.2° γ: 90°
R-values:
R R work R free
0.196 0.196 0.215
Expression system: Escherichia coli BL21(DE3)

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