PDBe 3pqr

X-ray diffraction
2.85Å resolution

Crystal structure of Metarhodopsin II in complex with a C-terminal peptide derived from the Galpha subunit of transducin

Source organism: Bos taurus
Primary publication:
Crystal structure of metarhodopsin II.
Nature 471 651-5 (2011)
PMID: 21389988

Function and Biology Details

Structure analysis Details

Assemblies composition:
hetero dimer (preferred)
hetero tetramer
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
Rhodopsin Chain: A
Molecule details ›
Chain: A
Length: 348 amino acids
Theoretical weight: 39.03 KDa
Source organism: Bos taurus
  • Canonical: P02699 (Residues: 1-348; Coverage: 100%)
Gene name: RHO
Sequence domains:
Structure domains: Rhopdopsin 7-helix transmembrane proteins
Guanine nucleotide-binding protein G(t) subunit alpha-1 Chain: B
Molecule details ›
Chain: B
Length: 11 amino acids
Theoretical weight: 1.26 KDa
Source organism: Bos taurus
Expression system: Not provided
  • Canonical: P04695 (Residues: 340-350; Coverage: 3%)
Gene name: GNAT1

Ligands and Environments

Experiments and Validation Details

Entry percentile scores
X-ray source: BESSY BEAMLINE 14.2
Spacegroup: R32
Unit cell:
a: 241.55Å b: 241.55Å c: 109.87Å
α: 90° β: 90° γ: 120°
R R work R free
0.219 0.217 0.25
Expression system: Not provided