› 1vgo

X-ray diffraction
2.5Å resolution

Crystal Structure of Archaerhodopsin-2

Released:
DOI: 10.2210/pdb1vgo/pdb
PDB entry 1vgo coloured by chain, front view.
PDB entry 1vgo coloured by chain, side view.
PDB entry 1vgo coloured by chain, top view.
Source organism: Halobacterium sp. AUS-2
Primary publication:
Crystal structures of archaerhodopsin-1 and -2: Common structural motif in archaeal light-driven proton pumps.
Enami N, Yoshimura K, Murakami M, Okumura H, Ihara K, Kouyama T
J Mol Biol 358 675-85 (2006)
PMID: 16540121

Function and Biology Details

Biochemical function:
Biological process:
Cellular component:
Sequence domains:

Structure analysis Details

Assembly composition:
homo dimer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-542000 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Archaerhodopsin-2 Chains: A, B
Molecule details ›
Chains: A, B
Length: 253 amino acids
Theoretical weight: 27.31 KDa
Source organism: Halobacterium sp. AUS-2
UniProt:
  • Canonical: P29563 (Residues: 7-259; Coverage: 98%)
Sequence domains: Bacteriorhodopsin-like protein
Structure domains: Rhodopsin 7-helix transmembrane proteins

Ligands and Environments

3 bound ligands:
Ligand BNG 12 x BNG
Ligand SO4 3 x SO4
Ligand RET 2 x RET
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: SPRING-8 BEAMLINE BL38B1
Spacegroup: C2221
Unit cell:
a: 122.88Å b: 139.48Å c: 108.1Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.241 0.241 0.268

Quick links

Citations

5 review citations

The role of protein-bound water molecules in microbial rhodopsins.
Gerwert et al. (2014)
4 more

10 mentions without citation

Inverted topologies in membrane proteins: a mini-review.
Duran et al. (2013)
9 more