› 1ig5

X-ray diffraction
1.5Å resolution

BOVINE CALBINDIN D9K BINDING MG2+

Released:
DOI: 10.2210/pdb1ig5/pdb
PDB entry 1ig5 coloured by chain, front view.
PDB entry 1ig5 coloured by chain, side view.
PDB entry 1ig5 coloured by chain, top view.
Source organism: Bos taurus
Primary publication:
Structural basis for the negative allostery between Ca(2+)- and Mg(2+)-binding in the intracellular Ca(2+)-receptor calbindin D9k.
Andersson M, Malmendal A, Linse S, Ivarsson I, Forsén S, Svensson LA
Protein Sci 6 1139-47 (1997)
PMID: 9194174

Function and Biology Details

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

Structure analysis Details

Assembly composition:
monomeric (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-135971 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Protein S100-G Chain: A
Molecule details ›
Chain: A
Length: 75 amino acids
Theoretical weight: 8.51 KDa
Source organism: Bos taurus
Expression system: Escherichia coli
UniProt:
  • Canonical: P02633 (Residues: 5-79; Coverage: 95%)
Gene names: CALB3, S100D, S100G
Sequence domains:
Structure domains: EF-hand

Ligands and Environments

1 bound ligand:
Ligand MG 1 x MG
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: RIGAKU RU200
Spacegroup: P43212
Unit cell:
a: 33.73Å b: 33.73Å c: 129.47Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.196 0.196 0.285
Expression system: Escherichia coli

Quick links

Citations

3 review citations

Structural basis for diversity of the EF-hand calcium-binding proteins.
Grabarek Z. (2006)
2 more

13 mentions without citation

Insights into modulation of calcium signaling by magnesium in calmodulin, troponin C and related EF-hand proteins.
Grabarek Z. (2011)
12 more