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CRYSTAL STRUCTURE OF BACTERIORHODOPSIN IN THE LIGHT-ADAPTED STATE

X-ray diffraction
3.5Å resolution
PDB entry 1bm1 coloured by chain, front view.
PDB entry 1bm1 coloured by chain, side view.
PDB entry 1bm1 coloured by chain, top view.
Source organism: Halobacterium salinarum
Assembly composition:
homo trimer (preferred)
Entry contents: 1 distinct polypeptide molecule

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Assemblies

Assembly 1 (preferred)
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Assembly Name: Bacteriorhodopsin
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Multimeric state: homo trimer
Accessible surface area: 26667.3 Å2
Buried surface area: 11089.15 Å2
Dissociation area: 3,295.11 Å2
Dissociation energy (ΔGdiss): 35.12 kcal/mol
Dissociation entropy (TΔSdiss): 26.83 kcal/mol
Symmetry number: 3
PDBe Complex ID: PDB-CPX-136413

Macromolecules

Bacteriorhodopsin
Chain: A
Length: 248 amino acids
Theoretical weight: 26.8 KDa
Source organism: Halobacterium salinarum
UniProt:
  • Canonical: P02945 (Residues: 14-261; Coverage: 95%)
Gene names: VNG_1467G, bop
Pfam: Bacteriorhodopsin-like protein
InterPro:
CATH: Rhodopsin 7-helix transmembrane proteins
SCOP: Bacteriorhodopsin-like
Bacteriorhodopsin in PDB entry 1bm1, assembly 1, front view.
Bacteriorhodopsin in PDB entry 1bm1, assembly 1, side view.
Bacteriorhodopsin in PDB entry 1bm1, assembly 1, top view.
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