› 1kgb

X-ray diffraction
1.65Å resolution

structure of ground-state bacteriorhodopsin

Released:
DOI: 10.2210/pdb1kgb/pdb
PDB entry 1kgb coloured by chain, front view.
PDB entry 1kgb coloured by chain, side view.
PDB entry 1kgb coloured by chain, top view.
Source organism: Halobacterium salinarum
Primary publication:
Structure of an early intermediate in the M-state phase of the bacteriorhodopsin photocycle.
Facciotti MT, Rouhani S, Burkard FT, Betancourt FM, Downing KH, Rose RB, McDermott G, Glaeser RM
Biophys J 81 3442-55 (2001)
PMID: 11721006

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
Macromolecule:
Bacteriorhodopsin Chain: A
Molecule details ›
Chain: A
Length: 231 amino acids
Theoretical weight: 25.3 KDa
Source organism: Halobacterium salinarum
UniProt:
  • Canonical: P02945 (Residues: 14-244; Coverage: 88%)
Gene names: VNG_1467G, bop
Sequence domains: Bacteriorhodopsin-like protein
Structure domains: Rhodopsin 7-helix transmembrane proteins

Ligands and Environments

2 bound ligands:
Ligand RET 1 x RET
Ligand LI1 13 x LI1
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: ALS BEAMLINE 5.0.2
Spacegroup: P63
Unit cell:
a: 60.987Å b: 60.987Å c: 109.131Å
α: 90° β: 90° γ: 120°
R-values:
R R work R free
0.13 0.13 0.188

Quick links

Citations

10 review citations

Bacteriorhodopsin: a high-resolution structural view of vectorial proton transport.
Neutze et al. (2002)
9 more

15 mentions without citation

A comprehensive review of the lipid cubic phase or in meso method for crystallizing membrane and soluble proteins and complexes.
Caffrey M. (2015)
14 more