X-ray diffraction
1.08Å resolution

Crystal Structure of Calcium-loaded S100B bound to SBi4434


Function and Biology Details

Structure analysis Details

Assembly composition:
homo dimer (preferred)
Entry contents:
1 distinct polypeptide molecule
Protein S100-B Chains: A, X
Molecule details ›
Chains: A, X
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

2 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: SSRL BEAMLINE BL7-1
Spacegroup: P21
Unit cell:
a: 35.18Å b: 56.27Å c: 48.05Å
α: 90° β: 108.79° γ: 90°
R R work R free
0.192 0.192 0.211
Expression system: Escherichia coli