4A4M

Crystal structure of the light-activated constitutively active N2C, M257Y,D282C rhodopsin mutant in complex with a peptide resembling the C-terminus of the Galpha-protein subunit (GaCT)


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 3.3 Å
  • R-Value Free: 0.262
  • R-Value Work: 0.216

Literature

Macromolecules
Sequence Display for 4A4M

Classification: SIGNALING PROTEIN

Total Structure Weight: 41666.75

Macromolecule Entities
Molecule Chains Length Organism Details
RHODOPSIN A 349 Bos taurus Mutation: N2C, M257Y, D282C
Gene Name(s): RHO Gene View
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG
GUANINE NUCLEOTIDE-BINDING PROTEIN G(T) SUBUNIT ALPHA-3 B 11 Bos taurus Fragment: RESIDUES 344-354
Mutation: K341L
Gene Name(s): GNAT3 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 5 Unique
ID Chains Name / Formula / InChI Key 2D Diagram 3D Interactions
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)
ACT
Query on ACT

A ACETATE ION
C2 H3 O2
QTBSBXVTEAMEQO-UHFFFAOYSA-M
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
Modified Residues 1 Unique
ID Chains Type Formula 2D Diagram Parent
ACE
Query on ACE
A NON-POLYMER C2 H4 O --

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 3.3 Å
  • R-Value Free: 0.262
  • R-Value Work: 0.216
  • Space Group: H 3 2

Unit Cell:

Length (Å) Angle (°)
a = 242.19 α = 90.00
b = 242.19 β = 90.00
c = 109.83 γ = 120.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 2011-10-17
  • Released Date: 2012-01-25
  • Deposition author(s): Deupi, X., Edwards, P., Singhal, A., Nickle, B., Oprian, D.D., Schertler, G.F.X., Standfuss, J.

Revision History

No revisions since initial release