› 3p74

X-ray diffraction
1.2Å resolution

H181N mutant of pentaerythritol tetranitrate reductase containing a C-terminal His8-tag

Released:
DOI: 10.2210/pdb3p74/pdb
PDB entry 3p74 coloured by chain, front view.
PDB entry 3p74 coloured by chain, side view.
PDB entry 3p74 coloured by chain, top view.
Source organism: Enterobacter cloacae
Primary publication:
A site-saturated mutagenesis study of pentaerythritol tetranitrate reductase reveals that residues 181 and 184 influence ligand binding, stereochemistry and reactivity.
Toogood HS, Fryszkowska A, Hulley M, Sakuma M, Mansell D, Stephens GM, Gardiner JM, Scrutton NS
Chembiochem 12 738-49 (2011)
PMID: 21374779

Function and Biology Details

Reaction catalysed: 
NADPH + acceptor = NADP(+) + reduced acceptor
Biochemical function:
Biological process:
  • not assigned
Cellular component:
Sequence domains:

Structure analysis Details

Assembly composition:
monomeric (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-159784 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
NADH:flavin oxidoreductase/NADH oxidase N-terminal domain-containing protein Chain: A
Molecule details ›
Chain: A
Length: 373 amino acids
Theoretical weight: 40.62 KDa
Source organism: Enterobacter cloacae
Expression system: Escherichia coli
UniProt:
  • Canonical: P71278 (Residues: 1-365; Coverage: 100%)
Gene name: onr
Sequence domains: NADH:flavin oxidoreductase / NADH oxidase family
Structure domains: Aldolase class I

Ligands and Environments


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

Experiments and Validation Details

Entry percentile scores
X-ray source: ESRF BEAMLINE ID14-4
Spacegroup: P212121
Unit cell:
a: 59.119Å b: 69.086Å c: 88.623Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.137 0.136 0.159
Expression system: Escherichia coli

Quick links

Citations

2 review citations

New developments in 'ene'-reductase catalysed biological hydrogenations.
Toogood et al. (2014)
1 more