PDBe 1ej3

X-ray diffraction
2.3Å resolution

CRYSTAL STRUCTURE OF AEQUORIN

Released:
Source organism: Aequorea aequorea

Function and Biology Details

Biochemical function:
Biological process:
Cellular component:
  • not assigned

Structure analysis Details

Assembly composition:
monomeric (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Aequorin-2 Chains: A, B
Molecule details ›
Chains: A, B
Length: 191 amino acids
Theoretical weight: 21.66 KDa
Source organism: Aequorea aequorea
Expression system: Escherichia coli
UniProt:
  • Canonical: P02592 (Residues: 6-196; Coverage: 97%)
Sequence domains: EF hand
Structure domains: EF-hand

Ligands and Environments

1 bound ligand:

No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: NSLS BEAMLINE X8C
Spacegroup: P43212
Unit cell:
a: 81.27Å b: 81.27Å c: 163.66Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.221 0.219 0.253
Expression system: Escherichia coli