PDBe 1snn

X-ray diffraction
1.55Å resolution

3,4-dihydroxy-2-butanone 4-phosphate synthase from Methanococcus jannaschii

Released:

Function and Biology Details

Reaction catalysed:
D-ribulose 5-phosphate = formate + L-3,4-dihydroxybutan-2-one 4-phosphate. 
Biological process:
Cellular component:

Structure analysis Details

Assembly composition:
homo dimer (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
3,4-dihydroxy-2-butanone 4-phosphate synthase Chains: A, B
Molecule details ›
Chains: A, B
Length: 227 amino acids
Theoretical weight: 25.78 KDa
Source organism: Methanocaldococcus jannaschii
Expression system: Escherichia coli
UniProt:
  • Canonical: Q60364 (Residues: 1-227; Coverage: 100%)
Gene names: MJ0055, ribB
Sequence domains: 3,4-dihydroxy-2-butanone 4-phosphate synthase
Structure domains: DHBP synthase

Ligands and Environments

3 bound ligands:

No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: MPG/DESY, HAMBURG BEAMLINE BW6
Spacegroup: P21
Unit cell:
a: 53.395Å b: 69.366Å c: 57.574Å
α: 90° β: 93.58° γ: 90°
R-values:
R R work R free
0.21 0.2 0.234
Expression system: Escherichia coli