1QKO

HIGH RESOLUTION X-RAY STRUCTURE OF AN EARLY INTERMEDIATE IN THE BACTERIORHODOPSIN PHOTOCYCLE


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.1 Å
  • R-Value Free: 0.303
  • R-Value Work: 0.261

Literature

Macromolecules
Sequence Display for 1QKO

Classification: PHOTORECEPTOR

Total Structure Weight: 27098.85

Macromolecule Entities
Molecule Chains Length Organism Details
BACTERIORHODOPSIN A 248 Halobacterium salinarum Details: RETINAL LINKED TO LYS 216 VIA A SCHIFF BASE
Gene Name(s): bop VNG_1467G
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG

Membrane Protein

Source: mpstruc | Group: ALPHA-HELICAL

Subgroup Name: Bacterial and Algal Rhodopsins

Protein Name: Bacteriorhodopsin (BR)


Small Molecules
Ligands 1 Unique
ID Chains Name / Formula / InChI Key 2D Diagram 3D Interactions
RET
Query on RET

A RETINAL
C20 H28 O
NCYCYZXNIZJOKI-OVSJKPMPSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.1 Å
  • R-Value Free: 0.303
  • R-Value Work: 0.261
  • Space Group: P 63

Unit Cell:

Length (Å) Angle (°)
a = 61.06 α = 90.00
b = 61.06 β = 90.00
c = 110.57 γ = 120.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 1999-07-30
  • Released Date: 1999-10-24
  • Deposition author(s): Edman, K., Nollert, P., Royant, A., Belrhali, H., Pebay-Peyroula, E., Hajdu, J., Neutze, R., Landau, E.M.

Revision History

  • Version 1_0: 1999-10-24

    Type: Initial release

  • Version 1_1: 2011-05-08

    Type: Version format compliance

  • Version 1_2: 2011-07-13

    Type: Version format compliance