› 4g1b

X-ray diffraction
3Å resolution

X-ray structure of yeast flavohemoglobin in complex with econazole

Released:
DOI: 10.2210/pdb4g1b/pdb
PDB entry 4g1b coloured by chain, front view.
PDB entry 4g1b coloured by chain, side view.
PDB entry 4g1b coloured by chain, top view.
Source organism: Saccharomyces cerevisiae YJM789
Primary publication:
Active site analysis of yeast flavohemoglobin based on its structure with a small ligand or econazole.
El Hammi E, Warkentin E, Demmer U, Marzouki NM, Ermler U, Baciou L
FEBS J 279 4565-75 (2012)
PMID: 23095020

Function and Biology Details

Reaction catalysed: 
2 nitric oxide + 2 O(2) + NAD(P)H = 2 nitrate + NAD(P)(+) + H(+)
Biochemical function:
Biological process:
Cellular component:
  • not assigned
Sequence domains:

Structure analysis Details

Assembly composition:
monomeric (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-108187 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
nitric oxide dioxygenase Chains: A, B, C, D
Molecule details ›
Chains: A, B, C, D
Length: 399 amino acids
Theoretical weight: 44.72 KDa
Source organism: Saccharomyces cerevisiae YJM789
Expression system: Escherichia coli BL21
UniProt:
  • Canonical: A6ZUP2 (Residues: 1-399; Coverage: 100%)
Gene names: SCY_2125, YHB1
Sequence domains:
Structure domains:

Ligands and Environments


Cofactor: Ligand FAD 4 x FAD

Cofactor: Ligand HEM 4 x HEM
1 bound ligand:
Ligand ECN 4 x ECN
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: SLS BEAMLINE X10SA
Spacegroup: P21
Unit cell:
a: 103.91Å b: 93.83Å c: 111.02Å
α: 90° β: 108.22° γ: 90°
R-values:
R R work R free
0.232 0.229 0.28
Expression system: Escherichia coli BL21

Quick links

Citations

2 review citations

Flavohaemoglobin: the pre-eminent nitric oxide-detoxifying machine of microorganisms.
Poole RK. (2020)
1 more

1 mention without citation

Active site analysis of yeast flavohemoglobin based on its structure with a small ligand or econazole.
El Hammi et al. (2012)