3mb2

X-ray diffraction
2.41Å resolution

Kinetic and Structural Characterization of a Heterohexamer 4-Oxalocrotonate Tautomerase from Chloroflexus aurantiacus J-10-fl: Implications for Functional and Structural Diversity in the Tautomerase Superfamily

Released:

Function and Biology Details

Reaction catalysed:
Keto-oxaloacetate = enol-oxaloacetate
Biochemical function:
Biological process:
  • not assigned
Cellular component:
  • not assigned

Structure analysis Details

Assembly composition:
hetero hexamer (preferred)
PDBe Complex ID:
PDB-CPX-109055 (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
4-oxalocrotonate tautomerase-like domain-containing protein Chains: A, C, E, G, I, K
Molecule details ›
Chains: A, C, E, G, I, K
Length: 72 amino acids
Theoretical weight: 7.74 KDa
Source organism: Chloroflexus aurantiacus J-10-fl
Expression system: Escherichia coli
UniProt:
  • Canonical: A9W9U6 (Residues: 1-72; Coverage: 100%)
Gene name: Caur_1354
Sequence domains: Tautomerase enzyme
Structure domains: Macrophage Migration Inhibitory Factor
4-oxalocrotonate tautomerase Chains: B, D, F, H, J, L
Molecule details ›
Chains: B, D, F, H, J, L
Length: 72 amino acids
Theoretical weight: 7.97 KDa
Source organism: Chloroflexus aurantiacus J-10-fl
Expression system: Escherichia coli
UniProt:
  • Canonical: A9W9V0 (Residues: 2-73; Coverage: 99%)
Gene name: Caur_1358
Sequence domains: Tautomerase-like
Structure domains: Macrophage Migration Inhibitory Factor

Ligands and Environments

1 bound ligand:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 22-BM
Spacegroup: P31
Unit cell:
a: 106.062Å b: 106.062Å c: 109.961Å
α: 90° β: 90° γ: 120°
R-values:
R R work R free
0.206 0.203 0.25
Expression system: Escherichia coli