› 1osa

X-ray diffraction
1.68Å resolution

CRYSTAL STRUCTURE OF RECOMBINANT PARAMECIUM TETRAURELIA CALMODULIN AT 1.68 ANGSTROMS RESOLUTION

Released:
DOI: 10.2210/pdb1osa/pdb
PDB entry 1osa coloured by chain, front view.
PDB entry 1osa coloured by chain, side view.
PDB entry 1osa coloured by chain, top view.
Source organism: Paramecium tetraurelia
Primary publication:
Structure of the recombinant Paramecium tetraurelia calmodulin at 1.68 A resolution.
Ban C, Ramakrishnan B, Ling KY, Kung C, Sundaralingam M
Acta Crystallogr D Biol Crystallogr 50 50-63 (1994)
PMID: 15299476

Function and Biology Details

Biochemical function:
Biological process:
  • not assigned
Cellular component:
  • not assigned
Sequence domains:
Structure domain:

Structure analysis Details

Assembly composition:
monomeric (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-139596 (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: EF-hand domain pair
Structure domains: EF-hand

Ligands and Environments

1 bound ligand:
Ligand CA 4 x CA
No modified residues

Experiments and Validation Details

Entry percentile scores
Spacegroup: P1
Unit cell:
a: 29.89Å b: 53.42Å c: 25.35Å
α: 93.67° β: 96.88° γ: 89.24°
R-values:
R R work R free
0.194 0.194 not available
Expression system: Escherichia coli

Quick links

Citations

1 review citation

On the segregation of protein ionic residues by charge type.
Parker et al. (2012)
17 other articles

14 mentions without citation

Calmodulin in Paramecium: Focus on Genomic Data.
Villalobo et al. (2022)
13 more