› 1brr

X-ray diffraction
2.9Å resolution

X-RAY STRUCTURE OF THE BACTERIORHODOPSIN TRIMER/LIPID COMPLEX

Released:
DOI: 10.2210/pdb1brr/pdb
PDB entry 1brr coloured by chain, front view.
PDB entry 1brr coloured by chain, side view.
PDB entry 1brr coloured by chain, top view.
Source organism: Halobacterium salinarum
Primary publication:
Lipid patches in membrane protein oligomers: crystal structure of the bacteriorhodopsin-lipid complex.
Essen L, Siegert R, Lehmann WD, Oesterhelt D
Proc Natl Acad Sci U S A 95 11673-8 (1998)
PMID: 9751724

Function and Biology Details

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

Structure analysis Details

Assembly composition:
homo trimer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-136413 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecules (2 distinct):
Bacteriorhodopsin Chains: A, B, C
Molecule details ›
Chains: A, B, C
Length: 247 amino acids
Theoretical weight: 26.74 KDa
Source organism: Halobacterium salinarum
UniProt:
  • Canonical: P02945 (Residues: 14-261; Coverage: 94%)
Gene names: VNG_1467G, bop
Sequence domains: Bacteriorhodopsin-like protein
Structure domains: Rhodopsin 7-helix transmembrane proteins

Ligands and Environments

Carbohydrate polymer : NEW Components: GLC, MAN, SGA
Carbohydrate polymer
5 bound ligands:
Ligand RET 3 x RET
Ligand ARC 10 x ARC
Ligand GOL 3 x GOL
Ligand BGC 1 x BGC
Ligand OCT 1 x OCT
1 modified residue:
Ligand PCA 3 x PCA

Experiments and Validation Details

Entry percentile scores
X-ray source: EMBL/DESY, HAMBURG BEAMLINE X11
Spacegroup: C2
Unit cell:
a: 120.52Å b: 105.96Å c: 80.19Å
α: 90° β: 94.94° γ: 90°
R-values:
R R work R free
0.256 0.256 0.299

Quick links

Citations

47 review citations

How proteins adapt to a membrane-water interface.
Killian et al. (2000)
46 more

29 mentions without citation

A functional-phylogenetic classification system for transmembrane solute transporters.
Saier MH. (2000)
28 more