› 1iw6

X-ray diffraction
2.3Å resolution

Crystal Structure of the Ground State of Bacteriorhodopsin

Released:
DOI: 10.2210/pdb1iw6/pdb
PDB entry 1iw6 coloured by chain, front view.
PDB entry 1iw6 coloured by chain, side view.
PDB entry 1iw6 coloured by chain, top view.
Source organism: Halobacterium salinarum
Primary publication:
Specific damage induced by X-ray radiation and structural changes in the primary photoreaction of bacteriorhodopsin.
Matsui Y, Sakai K, Murakami M, Shiro Y, Adachi Si, Okumura H, Kouyama T
J Mol Biol 324 469-81 (2002)
PMID: 12445782

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 Chain: A
Molecule details ›
Chain: A
Length: 248 amino acids
Theoretical weight: 26.81 KDa
Source organism: Halobacterium salinarum
UniProt:
  • Canonical: P02945 (Residues: 14-261; Coverage: 95%)
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, GAL
Carbohydrate polymer
3 bound ligands:
Ligand RET 1 x RET
Ligand L3P 4 x L3P
Ligand L2P 1 x L2P
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: SPRING-8 BEAMLINE BL41XU
Spacegroup: P622
Unit cell:
a: 102.4Å b: 102.4Å c: 112.1Å
α: 90° β: 90° γ: 120°
R-values:
R R work R free
0.251 0.251 0.275

Quick links

Citations

16 review citations

Microbial and animal rhodopsins: structures, functions, and molecular mechanisms.
Ernst et al. (2014)
15 more

16 mentions without citation

Protein structure predictions by enhanced conformational sampling methods.
Okamoto Y. (2019)
15 more