1KG8

X-ray structure of an early-M intermediate of bacteriorhodopsin

Structural Biology Knowledgebase: 1KG8 SBKB.org


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.0 Å
  • R-Value Free: 0.217
  • R-Value Work: 0.168

wwPDB Validation Full Report


Literature

Macromolecules
Sequence Display for 1KG8

Classification: PROTON TRANSPORT

Total Structure Weight: 27503.96

Macromolecule Entities
Molecule Chains Length Organism Details
bacteriorhodopsin A 231 Halobacterium salinarum Gene Name(s): bop VNG_1467G

Membrane Protein

Source: mpstruc | Group: ALPHA-HELICAL

Subgroup Name: Bacterial and Algal Rhodopsins

Protein Name: Bacteriorhodopsin (BR)


Small Molecules
Ligands 2 Unique
ID Chains Name / Formula / InChI Key 2D Diagram 3D Interactions
LI1
Query on LI1

A 1-[2,6,10.14-TETRAMETHYL-HEXADECAN-16-YL]- 2-[2,10,14-TRIMETHYLHEXADECAN-16-YL]GLYCEROL
LIPID FRAGMENT (Synonym)
C42 H86 O3
YERVUJAKCNBGCR-BIHSMRAKSA-N
Ligand Explorer
 
JSmol
RET
Query on RET

A RETINAL
C20 H28 O
NCYCYZXNIZJOKI-OVSJKPMPSA-N
Ligand Explorer
 
JSmol

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.0 Å
  • R-Value Free: 0.217
  • R-Value Work: 0.168
  • Space Group: P 63

Unit Cell:

Length (Å) Angle (°)
a = 60.74 α = 90.00
b = 60.74 β = 90.00
c = 108.24 γ = 120.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 2001-11-26
  • Released Date: 2001-12-05
  • Deposition author(s): Facciotti, M.T., Rouhani, S., Burkard, F.T., Betancourt, F.M., Downing, K.H., Rose, R.B., McDermott, G., Glaeser, R.M.

Revision History

  • 2011-07-13
    Type: Version format compliance | Details: compliance with PDB Exchange Dictionary V4
  • 2011-07-13
    Type: Biological assembly | Details: Added software calculated values