› 1ew6

X-ray diffraction
1.78Å resolution

THE CRYSTAL STRUCTURE AND AMINO ACID SEQUENCE OF DEHALOPEROXIDASE FROM AMPHITRITE ORNATA INDICATE COMMON ANCESTRY WITH GLOBINS

Released:
DOI: 10.2210/pdb1ew6/pdb
PDB entry 1ew6 coloured by chain, front view.
PDB entry 1ew6 coloured by chain, side view.
PDB entry 1ew6 coloured by chain, top view.
Source organism: Amphitrite ornata
Primary publication:
The crystal structure and amino acid sequence of dehaloperoxidase from Amphitrite ornata indicate common ancestry with globins.
LaCount MW, Zhang E, Chen YP, Han K, Whitton MM, Lincoln DE, Woodin SA, Lebioda L
J Biol Chem 275 18712-6 (2000)
PMID: 10751397

Function and Biology Details

Biochemical function:
Biological process:
Cellular component:
  • not assigned
Sequence domains:
Structure domain:

Structure analysis Details

Assembly composition:
homo dimer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-192413 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Globin domain-containing protein Chains: A, B
Molecule details ›
Chains: A, B
Length: 137 amino acids
Theoretical weight: 15.55 KDa
Source organism: Amphitrite ornata
UniProt:
  • Canonical: Q9NAV8 (Residues: 2-138; Coverage: 99%)
Sequence domains: Globin
Structure domains: Globins

Ligands and Environments

2 bound ligands:
Ligand SO4 2 x SO4
Ligand HEM 2 x HEM
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: RIGAKU RU200
Spacegroup: P212121
Unit cell:
a: 68.5Å b: 68.4Å c: 61Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.222 0.197 0.225

Quick links

Citations

4 review citations

Nonvertebrate hemoglobins: functions and molecular adaptations.
Weber et al. (2001)
3 more

4 mentions without citation

Designing Artificial Metalloenzymes by Tuning of the Environment beyond the Primary Coordination Sphere.
Van Stappen et al. (2022)
3 more