PDBe 3hcm

X-ray diffraction
2Å resolution

Crystal structure of human S100B in complex with S45

Released:

Function and Biology Details

Structure analysis Details

Assembly composition:
homo dimer (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Protein S100-B Chains: A, B
Molecule details ›
Chains: A, B
Length: 92 amino acids
Theoretical weight: 10.73 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
UniProt:
  • Canonical: P04271 (Residues: 1-92; Coverage: 100%)
Gene name: S100B
Sequence domains:
Structure domains: EF-hand

Ligands and Environments

3 bound ligands:

No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: EMBL/DESY, HAMBURG BEAMLINE X11
Spacegroup: P21
Unit cell:
a: 35.257Å b: 57.797Å c: 47.745Å
α: 90° β: 111.41° γ: 90°
R-values:
R R work R free
0.231 0.227 0.311
Expression system: Escherichia coli