3PQR

Crystal structure of Metarhodopsin II in complex with a C-terminal peptide derived from the Galpha subunit of transducin


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.85 Å
  • R-Value Free: 0.250
  • R-Value Work: 0.217

Literature

Macromolecules
Sequence Display for 3PQR

Classification: SIGNALING PROTEIN

Total Structure Weight: 42945.26

Macromolecule Entities
Molecule Chains Length Organism Details
Rhodopsin A 348 Bos taurus Gene Name(s): RHO Gene View
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG
Guanine nucleotide-binding protein G(t) subunit alpha-1 B 11 Bos taurus Fragment: C-terminal peptide (UNP residues 340-350)
Mutation: K341L, C347V
Gene Name(s): GNAT1 Gene View
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG

Membrane Protein

Source: mpstruc | Group: ALPHA-HELICAL

Subgroup Name: G Protein-Coupled Receptors (GPCRs)

Protein Name: Rhodopsin


Small Molecules
Ligands 9 Unique
ID Chains Name / Formula / InChI Key 2D Diagram 3D Interactions
TRE
Query on TRE

A TREHALOSE
ALPHA-D-GLUCOPYRANOSYL-ALPHA-D-GLUCOPYRANOSIDE (Synonym)
C12 H22 O11
HDTRYLNUVZCQOY-LIZSDCNHSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
BOG
Query on BOG

A B-OCTYLGLUCOSIDE
C14 H28 O6
HEGSGKPQLMEBJL-RKQHYHRCSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
RET
Query on RET

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

A PALMITIC ACID
C16 H32 O2
IPCSVZSSVZVIGE-UHFFFAOYSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
NAG
Query on NAG

A N-ACETYL-D-GLUCOSAMINE
C8 H15 N O6
OVRNDRQMDRJTHS-FMDGEEDCSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
MAN
Query on MAN

A ALPHA-D-MANNOSE
C6 H12 O6
WQZGKKKJIJFFOK-PQMKYFCFSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
BMA
Query on BMA

A BETA-D-MANNOSE
C6 H12 O6
WQZGKKKJIJFFOK-RWOPYEJCSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
SO4
Query on SO4

A SULFATE ION
O4 S
QAOWNCQODCNURD-UHFFFAOYSA-L
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
ACT
Query on ACT

A ACETATE ION
C2 H3 O2
QTBSBXVTEAMEQO-UHFFFAOYSA-M
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.85 Å
  • R-Value Free: 0.250
  • R-Value Work: 0.217
  • Space Group: H 3 2

Unit Cell:

Length (Å) Angle (°)
a = 241.55 α = 90.00
b = 241.55 β = 90.00
c = 109.87 γ = 120.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 2010-11-26
  • Released Date: 2011-03-09
  • Deposition author(s): Choe, H.-W., Kim, Y.J., Park, J.H., Morizumi, T., Pai, E.F., Krauss, N., Hofmann, K.P., Scheerer, P., Ernst, O.P.

Revision History

  • 2011-07-13
    Type: Version format compliance | Details: compliance with PDB Exchange Dictionary V4