X-ray diffraction
2.04Å resolution

X-ray structure of bovine SC0067,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, C, D
Molecule details ›
Chains: A, B, C, D
Length: 90 amino acids
Theoretical weight: 10.41 KDa
Source organism: Bos taurus
Expression system: Escherichia coli
  • Canonical: P02638 (Residues: 1-90; Coverage: 98%)
Gene name: S100B
Sequence domains:
Structure domains: EF-hand

Ligands and Environments

2 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: RIGAKU MICROMAX-007
Spacegroup: P21
Unit cell:
a: 28.607Å b: 59.122Å c: 103.998Å
α: 90° β: 92.52° γ: 90°
R R work R free
0.238 0.235 0.291
Expression system: Escherichia coli