PDBe 3iqq

X-ray diffraction
2.01Å resolution

X-ray structure of bovine TRTK12-Ca(2+)-S100B

Released:

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero tetramer (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
Protein S100-B Chain: A
Molecule details ›
Chain: A
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
TRTK12 peptide, CapZ protein Chain: B
Molecule details ›
Chain: B
Length: 12 amino acids
Theoretical weight: 1.48 KDa
Source organism: Synthetic construct
Expression system: Not provided

Ligands and Environments

1 bound ligand:

No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: RIGAKU MICROMAX-007
Spacegroup: C2221
Unit cell:
a: 32.951Å b: 89.772Å c: 58.86Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.223 0.221 0.266
Expression systems:
  • Escherichia coli
  • Not provided