PDBe 1prw

X-ray diffraction
1.7Å resolution

Crystal structure of bovine brain Ca++ calmodulin in a compact form

Source organism: Bos taurus
Primary publication:
A closed compact structure of native Ca(2+)-calmodulin.
Structure 11 1303-7 (2003)
PMID: 14527397

Function and Biology Details

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

Structure analysis Details

Assembly composition:
monomeric (preferred)
Entry contents:
1 distinct polypeptide molecule
Calmodulin Chain: A
Molecule details ›
Chain: A
Length: 149 amino acids
Theoretical weight: 16.79 KDa
Source organism: Bos taurus
  • Best match: P62157 (Residues: 2-149)
Gene names: CALM, CAM

Ligands and Environments

1 bound ligand:

1 modified residue:

Experiments and Validation Details

Entry percentile scores
X-ray source: NSLS BEAMLINE X4A
Spacegroup: C2
Unit cell:
a: 63.32Å b: 35.75Å c: 68.03Å
α: 90° β: 117.19° γ: 90°
R R work R free
0.186 0.186 0.23