PDBe 2q91

X-ray diffraction
1.63Å resolution

Structure of the Ca2+-Bound Activated Form of the S100A4 Metastasis Factor

Released:

Function and Biology Details

Structure analysis Details

Assembly composition:
homo dimer (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Protein S100-A4 Chains: A, B
Molecule details ›
Chains: A, B
Length: 101 amino acids
Theoretical weight: 11.75 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
UniProt:
  • Canonical: P26447 (Residues: 1-101; Coverage: 100%)
Gene names: CAPL, MTS1, S100A4
Sequence domains: S-100/ICaBP type calcium binding domain
Structure domains: EF-hand

Ligands and Environments

1 bound ligand:

No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: NSLS BEAMLINE X6A
Spacegroup: P3221
Unit cell:
a: 52.424Å b: 52.424Å c: 140.419Å
α: 90° β: 90° γ: 120°
R-values:
R R work R free
0.187 0.185 0.217
Expression system: Escherichia coli