› 1kso

X-ray diffraction
1.7Å resolution

CRYSTAL STRUCTURE OF APO S100A3

Released:
DOI: 10.2210/pdb1kso/pdb
PDB entry 1kso coloured by chain, front view.
PDB entry 1kso coloured by chain, side view.
PDB entry 1kso coloured by chain, top view.
Source organism: Homo sapiens
Primary publication:
Metal-free MIRAS phasing: structure of apo-S100A3.
Mittl PR, Fritz G, Sargent DF, Richmond TJ, Heizmann CW, Grütter MG
Acta Crystallogr D Biol Crystallogr 58 1255-61 (2002)
PMID: 12136135

Function and Biology Details

Biochemical function:
Biological process:
  • not assigned
Cellular component:
Sequence domains:
Structure domain:

Structure analysis Details

Assembly composition:
homo dimer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-152646 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Protein S100-A3 Chains: A, B
Molecule details ›
Chains: A, B
Length: 101 amino acids
Theoretical weight: 11.73 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
UniProt:
  • Canonical: P33764 (Residues: 1-101; Coverage: 100%)
Gene names: S100A3, S100E
Sequence domains: S-100/ICaBP type calcium binding domain
Structure domains: EF-hand

Ligands and Environments

No bound ligands
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: ESRF BEAMLINE BM14, ENRAF-NONIUS FR571
Spacegroup: P31
Unit cell:
a: 58.769Å b: 58.769Å c: 45.338Å
α: 90° β: 90° γ: 120°
R-values:
R R work R free
0.194 0.194 0.225
Expression system: Escherichia coli

Quick links

Citations

1 review citation

Calcium-dependent and -independent interactions of the S100 protein family.
Santamaria-Kisiel et al. (2006)
9 other articles

5 mentions without citation

Protein subunit interfaces: heterodimers versus homodimers.
Zhanhua et al. (2005)
4 more