PDBe 1n0y

X-ray diffraction
1.75Å resolution

Crystal Structure of Pb-bound Calmodulin

Source organism: Paramecium tetraurelia
Primary publication:
Domain flexibility in the 1.75 A resolution structure of Pb2+-calmodulin.
Acta Crystallogr. D Biol. Crystallogr. 59 1782-92 (2003)
PMID: 14501118

Function and Biology Details

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

Structure analysis Details

Assembly composition:
monomeric (preferred)
Entry contents:
1 distinct polypeptide molecule
Calmodulin Chains: A, B
Molecule details ›
Chains: A, B
Length: 148 amino acids
Theoretical weight: 16.69 KDa
Source organism: Paramecium tetraurelia
Expression system: Escherichia coli
  • Canonical: P07463 (Residues: 2-149; Coverage: 99%)
Gene names: CAM, GSPATT00015825001
Sequence domains:
Structure domains: EF-hand

Ligands and Environments

3 bound ligands:

No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: SSRL BEAMLINE BL9-1
Spacegroup: C2
Unit cell:
a: 100.936Å b: 30.792Å c: 113.084Å
α: 90° β: 109.31° γ: 90°
R R work R free
0.214 0.213 0.223
Expression system: Escherichia coli