3x43

X-ray diffraction
2.25Å resolution

Crystal structure of O-ureido-L-serine synthase

Released:

Function and Biology Details

Reactions catalysed:
O-acetyl-L-serine + hydrogen sulfide = L-cysteine + acetate
O-acetyl-L-serine + hydroxyurea = O-ureido-L-serine + acetate
Biochemical function:
Biological process:
Cellular component:

Structure analysis Details

Assembly composition:
homo tetramer (preferred)
PDBe Complex ID:
PDB-CPX-112458 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
O-ureido-L-serine synthase Chains: A, B, C, D, E, F, G, H
Molecule details ›
Chains: A, B, C, D, E, F, G, H
Length: 332 amino acids
Theoretical weight: 35.7 KDa
Source organism: Streptomyces lavendulae
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: D2Z027 (Residues: 1-324; Coverage: 100%)
Gene name: dcsD
Sequence domains: Pyridoxal-phosphate dependent enzyme
Structure domains: Rossmann fold

Ligands and Environments


Cofactor: Ligand PLP 8 x PLP
No bound ligands
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: SPRING-8 BEAMLINE BL41XU
Spacegroup: P21
Unit cell:
a: 72.48Å b: 154.13Å c: 118.52Å
α: 90° β: 90.48° γ: 90°
R-values:
R R work R free
0.209 0.209 0.264
Expression system: Escherichia coli BL21(DE3)