X-ray diffraction
1.7Å resolution

Crystal structure of des(1-52)grancalcin with bound calcium

Source organism: Homo sapiens
Primary publication:
Structure of Ca(2+)-loaded human grancalcin.
Acta Crystallogr. D Biol. Crystallogr. 57 1843-9 (2001)
PMID: 11717497

Function and Biology Details

Biochemical function:
Biological process:
  • not assigned
Cellular component:
  • not assigned

Structure analysis Details

Assembly composition:
homo dimer (preferred)
Entry contents:
1 distinct polypeptide molecule
Grancalcin Chains: A, B
Molecule details ›
Chains: A, B
Length: 165 amino acids
Theoretical weight: 18.77 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
  • Canonical: P28676 (Residues: 53-217; Coverage: 76%)
Gene names: GCA, GCL
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 X8C
Spacegroup: P212121
Unit cell:
a: 54.12Å b: 71.13Å c: 77.57Å
α: 90° β: 90° γ: 90°
R R work R free
0.203 0.203 0.229
Expression system: Escherichia coli