› 5kah

X-ray diffraction
2.78Å resolution

Crystal structure of a dioxygenase in the Crotonase superfamily in P21, V425T mutant

Released:
DOI: 10.2210/pdb5kah/pdb
PDB entry 5kah coloured by chain, front view.
PDB entry 5kah coloured by chain, side view.
PDB entry 5kah coloured by chain, top view.
Source organism: Streptomyces toyocaensis
Primary publication:
Probing the structural basis of oxygen binding in a cofactor-independent dioxygenase.
Li K, Fielding EN, Condurso HL, Bruner SD
Acta Crystallogr D Struct Biol 73 573-580 (2017)
PMID: 28695857

Function and Biology Details

Reaction catalysed: 
(3,5-dihydroxyphenyl)acetyl-CoA + O(2) = 2-(3,5-dihydroxyphenyl)-2-oxoacetate + CoA
Biochemical function:
Biological process:
Cellular component:
  • not assigned
Sequence domains:

Structure analysis Details

Assembly composition:
homo hexamer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-185151 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
(3,5-dihydroxyphenyl)acetyl-CoA 1,2-dioxygenase Chains: A, B, C, D, E, F, G, H, I, J, K, L
Molecule details ›
Chains: A, B, C, D, E, F, G, H, I, J, K, L
Length: 438 amino acids
Theoretical weight: 48.24 KDa
Source organism: Streptomyces toyocaensis
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: Q8KLK7 (Residues: 1-438; Coverage: 100%)
Gene name: BU52_01220
Sequence domains: Enoyl-CoA hydratase/isomerase
Structure domains:

Ligands and Environments

1 bound ligand:
Ligand YE1 12 x YE1
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: NSLS BEAMLINE X12C
Spacegroup: P21
Unit cell:
a: 139.772Å b: 171.958Å c: 156.111Å
α: 90° β: 90.02° γ: 90°
R-values:
R R work R free
0.203 0.198 0.231
Expression system: Escherichia coli BL21(DE3)

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