› 4iau

X-ray diffraction
0.99Å resolution

Atomic resolution structure of Geodin, a beta-gamma crystallin from Geodia cydonium

Released:
DOI: 10.2210/pdb4iau/pdb
PDB entry 4iau coloured by chain, front view.
PDB entry 4iau coloured by chain, side view.
PDB entry 4iau coloured by chain, top view.
Source organism: Geodia cydonium
Primary publication:
A novel interdomain interface in crystallins: structural characterization of the βγ-crystallin from Geodia cydonium at 0.99 Å resolution.
Vergara A, Grassi M, Sica F, Pizzo E, D'Alessio G, Mazzarella L, Merlino A
Acta Crystallogr D Biol Crystallogr 69 960-7 (2013)
PMID: 23695240

Function and Biology Details

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

Structure analysis Details

Assembly composition:
monomeric (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-127579 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Beta/gamma crystallin 'Greek key' domain-containing protein Chain: A
Molecule details ›
Chain: A
Length: 163 amino acids
Theoretical weight: 18.12 KDa
Source organism: Geodia cydonium
Expression system: Escherichia coli
UniProt:
  • Canonical: O18426 (Residues: 1-163; Coverage: 100%)
Sequence domains: Beta/Gamma crystallin
Structure domains: Crystallins

Ligands and Environments

2 bound ligands:
Ligand CA 1 x CA
Ligand GOL 4 x GOL
1 modified residue:
Ligand MSE 4 x MSE

Experiments and Validation Details

Entry percentile scores
X-ray source: ELETTRA BEAMLINE 5.2R
Spacegroup: P21
Unit cell:
a: 24.17Å b: 61.302Å c: 50.175Å
α: 90° β: 95.45° γ: 90°
R-values:
R R work R free
0.107 0.106 0.129
Expression system: Escherichia coli

Quick links

Citations

2 review citations

Ca2+-binding motif of βγ-crystallins.
Srivastava et al. (2014)
1 more

4 mentions without citation

Functions of crystallins in and out of lens: roles in elongated and post-mitotic cells.
Slingsby et al. (2014)
3 more