› 2z55

X-ray diffraction
2.5Å resolution

Bacterioruberin in the trimeric structure of archaerhodopsin-2

Released:
DOI: 10.2210/pdb2z55/pdb
PDB entry 2z55 coloured by chain, front view.
PDB entry 2z55 coloured by chain, side view.
PDB entry 2z55 coloured by chain, top view.
Source organism: Halobacterium sp. AUS-2
Primary publication:
Structural role of bacterioruberin in the trimeric structure of archaerhodopsin-2.
Yoshimura K, Kouyama T
J Mol Biol 375 1267-81 (2008)
PMID: 18082767

Function and Biology Details

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

Structure analysis Details

Assemblies composition:
homo trimer
monomeric (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-151539 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecules (2 distinct):
Archaerhodopsin-2 Chains: A, B, D, E
Molecule details ›
Chains: A, B, D, E
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

Carbohydrate polymer : NEW Components: GLC, MAN, GAL
Carbohydrate polymer
3 bound ligands:
Ligand RET 4 x RET
Ligand 22B 4 x 22B
Ligand L2P 4 x L2P
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: SPRING-8 BEAMLINE BL44B2
Spacegroup: P63
Unit cell:
a: 108.83Å b: 108.83Å c: 220.71Å
α: 90° β: 90° γ: 120°
R-values:
R R work R free
0.201 0.201 0.232

Quick links

Citations

11 review citations

Carotenoids from Haloarchaea and Their Potential in Biotechnology.
Rodrigo-Baños et al. (2015)
10 more

1 mention without citation

Comparison analysis of primary ligand-binding sites in seven-helix membrane proteins.
Pabuwal et al. (2011)