› 3i4k

X-ray diffraction
2.2Å resolution

Crystal structure of Muconate lactonizing enzyme from Corynebacterium glutamicum

Released:
DOI: 10.2210/pdb3i4k/pdb
PDB entry 3i4k coloured by chain, front view.
PDB entry 3i4k coloured by chain, side view.
PDB entry 3i4k coloured by chain, top view.
Source organism: Corynebacterium glutamicum
Entry authors: Fedorov AA, Fedorov EV, Sauder JM, Burley SK, Gerlt JA, Almo SC, 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 dimer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-185605 (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: 383 amino acids
Theoretical weight: 41.82 KDa
Source organism: Corynebacterium glutamicum
Expression system: Escherichia coli
UniProt:
  • Canonical: Q8NN12 (Residues: 2-373; Coverage: 100%)
Gene name: Cgl2401
Sequence domains:
Structure domains:

Ligands and Environments

2 bound ligands:
Ligand ACY 8 x ACY
Ligand MG 8 x MG
1 modified residue:
Ligand MSE 56 x MSE

Experiments and Validation Details

Entry percentile scores
X-ray source: NSLS BEAMLINE X4A
Spacegroup: P212121
Unit cell:
a: 108.541Å b: 156.709Å c: 202.952Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.245 0.244 0.277
Expression system: Escherichia coli

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