4X1H

Opsin/G(alpha) peptide complex stabilized by nonyl-glucoside


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.29 Å
  • R-Value Free: 0.229 
  • R-Value Work: 0.217 

wwPDB Validation 3D Report Full Report


This is version 1.4 of the entry. See complete history

Literature

The High-Resolution Structure of Activated Opsin Reveals a Conserved Solvent Network in the Transmembrane Region Essential for Activation.

Blankenship, E.Vahedi-Faridi, A.Lodowski, D.T.

(2015) Structure 23: 2358-2364

  • DOI: 10.1016/j.str.2015.09.015

  • PubMed Abstract: 
  • Rhodopsin, a light-activated G protein coupled receptor (GPCR), has been the subject of numerous biochemical and structural investigations, serving as a model receptor for GPCRs and their activation. We present the 2.3-Å resolution structure of nativ ...

    Rhodopsin, a light-activated G protein coupled receptor (GPCR), has been the subject of numerous biochemical and structural investigations, serving as a model receptor for GPCRs and their activation. We present the 2.3-Å resolution structure of native source rhodopsin stabilized in a conformation competent for G protein binding. An extensive water-mediated hydrogen bond network linking the chromophore binding site to the site of G protein binding is observed, providing connections to conserved motifs essential for GPCR activation. Comparison of this extensive solvent-mediated hydrogen-bonding network with the positions of ordered solvent in earlier crystallographic structures of rhodopsin photointermediates reveals both static structural and dynamic functional water-protein interactions present during the activation process. When considered along with observations that solvent occupies similar positions in the structures of other GPCRs, these analyses strongly support an integral role for this dynamic ordered water network in both rhodopsin and GPCR activation.


    Organizational Affiliation

    Department of Nutrition, Case Western Reserve University School of Medicine, 10900 Euclid Avenue, Cleveland, OH 44106, USA; Center for Proteomics and Bioinformatics, Case Western Reserve University School of Medicine, 10900 Euclid Avenue, Cleveland, OH 44106, USA.,Department of Nutrition, Case Western Reserve University School of Medicine, 10900 Euclid Avenue, Cleveland, OH 44106, USA; Center for Proteomics and Bioinformatics, Case Western Reserve University School of Medicine, 10900 Euclid Avenue, Cleveland, OH 44106, USA; Department of Pharmacology, Case Western Reserve University School of Medicine, 10900 Euclid Avenue, Cleveland, OH 44106, USA. Electronic address: dtl10@case.edu.,Department of Pharmacology, Case Western Reserve University School of Medicine, 10900 Euclid Avenue, Cleveland, OH 44106, USA.




Macromolecules

Find similar proteins by: Sequence  |  Structure

Entity ID: 1
MoleculeChainsSequence LengthOrganismDetails
Rhodopsin
A
348Bos taurusMutation(s): 0 
Gene Names: RHO
Membrane protein
mpstruct
Group: 
TRANSMEMBRANE PROTEINS: ALPHA-HELICAL
Sub Group: 
G Protein-Coupled Receptors (GPCRs)
Protein: 
Rhodopsin
Find proteins for P02699 (Bos taurus)
Go to Gene View: RHO
Go to UniProtKB:  P02699
Entity ID: 2
MoleculeChainsSequence LengthOrganismDetails
C-terminal derived peptide of guanine nucleotide-binding protein G(t) subunit alpha-1
C
11N/AMutation(s): 0 
Protein Feature View is not available: No corresponding UniProt sequence found.
Small Molecules
Ligands 4 Unique
IDChainsName / Formula / InChI Key2D Diagram3D Interactions
BMA
Query on BMA

Download SDF File 
Download CCD File 
A
BETA-D-MANNOSE
C6 H12 O6
WQZGKKKJIJFFOK-RWOPYEJCSA-N
 Ligand Interaction
NAG
Query on NAG

Download SDF File 
Download CCD File 
A
N-ACETYL-D-GLUCOSAMINE
C8 H15 N O6
OVRNDRQMDRJTHS-FMDGEEDCSA-N
 Ligand Interaction
BNG
Query on BNG

Download SDF File 
Download CCD File 
A
B-NONYLGLUCOSIDE
C15 H30 O6
QFAPUKLCALRPLH-UXXRCYHCSA-N
 Ligand Interaction
PLM
Query on PLM

Download SDF File 
Download CCD File 
A
PALMITIC ACID
C16 H32 O2
IPCSVZSSVZVIGE-UHFFFAOYSA-N
 Ligand Interaction
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.29 Å
  • R-Value Free: 0.229 
  • R-Value Work: 0.217 
  • Space Group: H 3 2
Unit Cell:
Length (Å)Angle (°)
a = 242.136α = 90.00
b = 242.136β = 90.00
c = 109.721γ = 120.00
Software Package:
Software NamePurpose
PHENIXrefinement
PHASERphasing
XDSdata scaling
Aimlessdata scaling

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History & Funding Information

Deposition Data


Funding OrganizationLocationGrant Number
National Institutes of Health/National Eye InstituteUnited StatesEY019718

Revision History 

  • Version 1.0: 2015-11-04
    Type: Initial release
  • Version 1.1: 2015-11-18
    Type: Database references
  • Version 1.2: 2015-12-16
    Type: Database references
  • Version 1.3: 2017-09-06
    Type: Author supporting evidence, Database references, Derived calculations
  • Version 1.4: 2017-11-22
    Type: Refinement description