› 2e25

X-ray diffraction
2.7Å resolution

The Crystal Structure of the T109S mutant of E. coli Dihydroorotase complexed with an inhibitor 5-fluoroorotate

Released:
DOI: 10.2210/pdb2e25/pdb
PDB entry 2e25 coloured by chain, front view.
PDB entry 2e25 coloured by chain, side view.
PDB entry 2e25 coloured by chain, top view.
Source organism: Escherichia coli
Primary publication:
Structure of the T109S mutant of Escherichia coli dihydroorotase complexed with the inhibitor 5-fluoroorotate: catalytic activity is reflected by the crystal form.
Lee M, Maher MJ, Guss JM
OpenAccess logo Acta Crystallogr Sect F Struct Biol Cryst Commun 63 154-61 (2007)
PMID: 17329804

Function and Biology Details

Reaction catalysed: 
(S)-dihydroorotate + H(2)O = N-carbamoyl-L-aspartate
Biochemical function:
Biological process:
Cellular component:
Sequence domains:

Structure analysis Details

Assembly composition:
homo dimer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-138326 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Dihydroorotase Chain: A
Molecule details ›
Chain: A
Length: 347 amino acids
Theoretical weight: 38.76 KDa
Source organism: Escherichia coli
Expression system: Escherichia coli
UniProt:
  • Canonical: P05020 (Residues: 2-348; Coverage: 100%)
Gene names: JW1049, b1062, pyrC
Sequence domains: Amidohydrolase family
Structure domains: Metal-dependent hydrolases

Ligands and Environments

2 bound ligands:
Ligand ZN 2 x ZN
Ligand FOT 1 x FOT
1 modified residue:
Ligand KCX 1 x KCX

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 23-ID-B
Spacegroup: P41212
Unit cell:
a: 72.61Å b: 72.61Å c: 176.12Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.22 0.218 0.257
Expression system: Escherichia coli

Quick links

Citations

5 citation in other articles

Structure of N-acetyl-beta-D-glucosaminidase (GcnA) from the endocarditis pathogen Streptococcus gordonii and its complex with the mechanism-based inhibitor NAG-thiazoline.
Langley et al. (2008)
4 more

3 mentions without citation

Accurate multiple sequence-structure alignment of RNA sequences using combinatorial optimization.
Bauer et al. (2007)
2 more