X-ray diffraction
1.58Å resolution

Crystal Structure of Calcium-loaded S100B bound to SC124


Function and Biology Details

Structure analysis Details

Assembly composition:
homo dimer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-135973 (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

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: 34.649Å b: 56.463Å c: 48.269Å
α: 90° β: 110.1° γ: 90°
R R work R free
0.215 0.213 0.252
Expression system: Escherichia coli