› 4inz

X-ray diffraction
1.7Å resolution

The crystal structure of M145A mutant of an epoxide hydrolase from Bacillus megaterium

Released:
DOI: 10.2210/pdb4inz/pdb
PDB entry 4inz coloured by chain, front view.
PDB entry 4inz coloured by chain, side view.
PDB entry 4inz coloured by chain, top view.
Source organism: Priestia megaterium
Primary publication:
Engineering of an epoxide hydrolase for efficient bioresolution of bulky pharmaco substrates.
Kong XD, Yuan S, Li L, Chen S, Xu JH, Zhou J
Proc Natl Acad Sci U S A 111 15717-22 (2014)
PMID: 25331869

Function and Biology Details

Reaction catalysed: 
A pyrimidine 5'-nucleotide + H(2)O = D-ribose 5-phosphate + a pyrimidine base
Biochemical function:
Biological process:
Cellular component:
  • not assigned
Sequence domains:

Structure analysis Details

Assembly composition:
monomeric (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-124658 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
AB hydrolase-1 domain-containing protein Chains: A, B
Molecule details ›
Chains: A, B
Length: 304 amino acids
Theoretical weight: 35.23 KDa
Source organism: Priestia megaterium
Expression system: Escherichia coli
UniProt:
  • Canonical: G9BEX6 (Residues: 1-287; Coverage: 100%)
Sequence domains: alpha/beta hydrolase fold
Structure domains: alpha/beta hydrolase

Ligands and Environments

2 bound ligands:
Ligand EDO 1 x EDO
Ligand PEG 2 x PEG
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: RIGAKU MICROMAX-007 HF
Spacegroup: P212121
Unit cell:
a: 63.829Å b: 77.651Å c: 120.034Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.16 0.158 0.209
Expression system: Escherichia coli

Quick links

Citations

6 review citations

Role of conformational dynamics in the evolution of novel enzyme function.
Maria-Solano et al. (2018)
5 more

4 mentions without citation

Structural basis of substrate specificity and protease inhibition in Norwalk virus.
Muhaxhiri et al. (2013)
3 more