PDBe 1qx5

X-ray diffraction
2.54Å resolution

Crystal structure of apoCalmodulin

Released:

Function and Biology Details

Structure analysis Details

Assembly composition:
homo dimer (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Calmodulin-1 Chains: B, D, I, J, K, R, T, Y
Molecule details ›
Chains: B, D, I, J, K, R, T, Y
Length: 148 amino acids
Theoretical weight: 16.72 KDa
Source organism: Rattus norvegicus
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: P0DP29 (Residues: 2-149; Coverage: 99%)
Gene names: CaMI, Calm, Calm1, Cam, Cam1
Structure domains: EF-hand

Ligands and Environments

No bound ligands

No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: SSRL BEAMLINE BL9-1
Spacegroup: P31
Unit cell:
a: 146Å b: 146Å c: 78Å
α: 90° β: 90° γ: 120°
R-values:
R R work R free
0.229 0.227 0.277
Expression system: Escherichia coli BL21(DE3)