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Model for the structure of Bacteriorhodopsin based on high-resolution Electron Cryo-microscopy

Electron crystallography
3.5Å resolution
PDB entry 1brd coloured by chain, front view.
PDB entry 1brd coloured by chain, side view.
PDB entry 1brd 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: 26162.07 Å2
Buried surface area: 4554.79 Å2
Dissociation area: 1,107.61 Å2
Dissociation energy (ΔGdiss): -2.64 kcal/mol
Dissociation entropy (TΔSdiss): 24.99 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
Expression system: Not provided
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 1brd, assembly 1, front view.
Bacteriorhodopsin in PDB entry 1brd, assembly 1, side view.
Bacteriorhodopsin in PDB entry 1brd, assembly 1, top view.
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