PDBe 1gka

X-ray diffraction
3.23Å resolution

The molecular basis of the coloration mechanism in lobster shell. beta-crustacyanin at 3.2 A resolution

Released:

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero dimer (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
Crustacyanin-A1 subunit Chain: A
Molecule details ›
Chain: A
Length: 180 amino acids
Theoretical weight: 20.56 KDa
Source organism: Homarus gammarus
UniProt:
  • Canonical: P58989 (Residues: 2-181; Coverage: 99%)
Sequence domains: Lipocalin / cytosolic fatty-acid binding protein family
Structure domains: Lipocalin
Crustacyanin-A2 subunit Chain: B
Molecule details ›
Chain: B
Length: 174 amino acids
Theoretical weight: 19.69 KDa
Source organism: Homarus gammarus
UniProt:
  • Canonical: P80007 (Residues: 1-174; Coverage: 100%)
Sequence domains: Lipocalin / cytosolic fatty-acid binding protein family
Structure domains: Lipocalin

Ligands and Environments


No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: SRS BEAMLINE PX14.1
Spacegroup: P6322
Unit cell:
a: 155.466Å b: 155.466Å c: 168.504Å
α: 90° β: 90° γ: 120°
R-values:
R R work R free
0.213 0.213 0.252