X-ray diffraction
1.5Å resolution

1.5 angstrom X-ray structure of bovine Ca(2+)-S100B


Function and Biology Details

Structure analysis Details

Assembly composition:
homo dimer (preferred)
Entry contents:
1 distinct polypeptide molecule
Protein S100-B Chains: A, B
Molecule details ›
Chains: A, B
Length: 92 amino acids
Theoretical weight: 10.68 KDa
Source organism: Bos taurus
Expression system: Escherichia coli
  • Canonical: P02638 (Residues: 1-92; Coverage: 100%)
Gene name: S100B
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 BL12-2
Spacegroup: C2
Unit cell:
a: 89.637Å b: 35.044Å c: 58.113Å
α: 90° β: 92.62° γ: 90°
R R work R free
0.202 0.2 0.242
Expression system: Escherichia coli