5e1k

X-ray diffraction
1Å resolution

Selenomethionine Ca2+-Calmodulin from Paramecium tetraurelia SAD data

Released:

Function and Biology Details

Biochemical function:
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: 17.06 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

Ligands and Environments

2 bound ligands:
1 modified residue:

Experiments and Validation Details

Entry percentile scores
X-ray source: SSRL BEAMLINE BL9-1
Spacegroup: P1
Unit cell:
a: 25.036Å b: 29.41Å c: 52.794Å
α: 89.45° β: 86.29° γ: 82.39°
R-values:
R R work R free
0.144 0.143 0.165
Expression system: Escherichia coli