PDBe 1exr

X-ray diffraction
1Å resolution

THE 1.0 ANGSTROM CRYSTAL STRUCTURE OF CA+2 BOUND CALMODULIN

Released:

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
Macromolecule:
Calmodulin Chain: A
Molecule details ›
Chain: A
Length: 148 amino acids
Theoretical weight: 16.69 KDa
Source organism: Paramecium tetraurelia
Expression system: Escherichia coli
UniProt:
  • Canonical: P07463 (Residues: 2-149; Coverage: 99%)
Gene names: CAM, GSPATT00015825001
Sequence domains:
Structure domains: EF-hand

Ligands and Environments

1 bound ligand:

No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: SSRL BEAMLINE BL9-2
Spacegroup: P1
Unit cell:
a: 25.015Å b: 29.415Å c: 52.761Å
α: 89.54° β: 86.1° γ: 82.39°
R-values:
R R work R free
0.136 not available 0.163
Expression system: Escherichia coli