X-ray diffraction
2.8Å resolution

Crystal Structure of Haloquadratum walsbyi bacteriorhodopsin mutant D93N

Source organism: Haloquadratum walsbyi C23
Entry authors: Wang AHJ, Hsu MF, Yang CS, Fu HY

Function and Biology Details

Biochemical function:
Biological process:
Cellular component:

Structure analysis Details

Assembly composition:
monomeric (preferred)
Entry contents:
1 distinct polypeptide molecule
Bacteriorhodopsin-I Chains: A, B
Molecule details ›
Chains: A, B
Length: 262 amino acids
Theoretical weight: 28.51 KDa
Source organism: Haloquadratum walsbyi C23
Expression system: Escherichia coli
  • Canonical: G0LFX8 (Residues: 1-254; Coverage: 100%)
Gene names: Hqrw_1016, bop1
Sequence domains: Bacteriorhodopsin-like protein
Structure domains: Rhodopsin 7-helix transmembrane proteins

Ligands and Environments

2 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: OTHER
Spacegroup: C2221
Unit cell:
a: 29.86Å b: 131.942Å c: 235.423Å
α: 90° β: 90° γ: 90°
R R work R free
0.184 0.182 0.239
Expression system: Escherichia coli