PDBe 2rgi

X-ray diffraction
1.6Å resolution

Crystal structure of Ca2+-free S100A2 at 1.6 A resolution

Source organism: Homo sapiens
Primary publication:
Crystal structure of Ca2+ -free S100A2 at 1.6-A resolution.
J. Mol. Biol. 378 933-42 (2008)
PMID: 18394645

Function and Biology Details

Structure analysis Details

Assembly composition:
homo dimer (preferred)
Entry contents:
1 distinct polypeptide molecule
Protein S100-A2 Chains: A, B
Molecule details ›
Chains: A, B
Length: 98 amino acids
Theoretical weight: 11.06 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli BL21(DE3)
  • Canonical: P29034 (Residues: 1-98; Coverage: 100%)
Gene names: S100A2, S100L
Sequence domains: S-100/ICaBP type calcium binding domain
Structure domains: EF-hand

Ligands and Environments

2 bound ligands:

No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: SLS BEAMLINE X06SA
Spacegroup: P212121
Unit cell:
a: 43.516Å b: 57.82Å c: 59.794Å
α: 90° β: 90° γ: 90°
R R work R free
0.188 0.186 0.227
Expression system: Escherichia coli BL21(DE3)