› 3iqo

X-ray diffraction
1.5Å resolution

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

Released:
DOI: 10.2210/pdb3iqo/pdb
PDB entry 3iqo coloured by chain, front view.
PDB entry 3iqo coloured by chain, side view.
PDB entry 3iqo coloured by chain, top view.
Source organism: Bos taurus
Primary publication:
The effects of CapZ peptide (TRTK-12) binding to S100B-Ca2+ as examined by NMR and X-ray crystallography.
Charpentier TH, Thompson LE, Liriano MA, Varney KM, Wilder PT, Pozharski E, Toth EA, Weber DJ
J Mol Biol 396 1227-43 (2010)
PMID: 20053360

Function and Biology Details

Biochemical function:
Biological process:
Cellular component:
Sequence domains:

Structure analysis Details

Assembly composition:
homo dimer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-135973 (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: 10.68 KDa
Source organism: Bos taurus
Expression system: Escherichia coli
UniProt:
  • Canonical: P02638 (Residues: 1-92; Coverage: 100%)
Gene name: S100B
Sequence domains:
Structure domains: EF-hand

Ligands and Environments

1 bound ligand:
Ligand CA 4 x CA
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-values:
R R work R free
0.202 0.2 0.242
Expression system: Escherichia coli

Quick links

Citations

2 review citations

Functions of S100 proteins.
Donato et al. (2013)
1 more

4 mentions without citation

The effects of CapZ peptide (TRTK-12) binding to S100B-Ca2+ as examined by NMR and X-ray crystallography.
Charpentier et al. (2010)
3 more