3fgc

X-ray diffraction
2.3Å resolution

Crystal Structure of the Bacterial Luciferase:Flavin Complex Reveals the Basis of Intersubunit Communication

Released:

Function and Biology Details

Reaction catalysed:
A long-chain aldehyde + FMNH(2) + O(2) = a long-chain fatty acid + FMN + H(2)O + light
Biological process:
Cellular component:

Structure analysis Details

Assembly composition:
hetero dimer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-139736 (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
Alkanal monooxygenase alpha chain Chains: A, C
Molecule details ›
Chains: A, C
Length: 355 amino acids
Theoretical weight: 40.2 KDa
Source organism: Vibrio harveyi
Expression system: Escherichia coli
UniProt:
  • Canonical: P07740 (Residues: 1-355; Coverage: 100%)
Gene name: luxA
Sequence domains: Luciferase-like monooxygenase
Structure domains: Luciferase-like domain
Alkanal monooxygenase beta chain Chains: B, D
Molecule details ›
Chains: B, D
Length: 332 amino acids
Theoretical weight: 37.46 KDa
Source organism: Vibrio harveyi
Expression system: Escherichia coli
UniProt:
  • Canonical: P07739 (Residues: 1-324; Coverage: 100%)
Gene name: luxB
Sequence domains: Luciferase-like monooxygenase
Structure domains: Luciferase-like domain

Ligands and Environments


Cofactor: Ligand FMN 1 x FMN
2 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: SSRL BEAMLINE BL9-1
Spacegroup: P212121
Unit cell:
a: 58.886Å b: 109.301Å c: 301.419Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.187 0.184 0.241
Expression system: Escherichia coli