3RFM

Thermostabilised adenosine A2A receptor in complex with caffeine


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 3.6 Å
  • R-Value Free: 0.311
  • R-Value Work: 0.297

Literature

Macromolecules
Sequence Display for 3RFM

Classification: SIGNALING PROTEIN

Total Structure Weight: 36673.29

Macromolecule Entities
Molecule Chains Length Organism Details
Adenosine receptor A2a A 329 Homo sapiens Fragment: residues 1-317
Mutation: A54L, T88A, R107A, K122A, L202A, L235A, V239A, S277A
Gene Name(s): ADORA2A Gene View ADORA2
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG

Membrane Protein

Source: mpstruc | Group: ALPHA-HELICAL

Subgroup Name: G Protein-Coupled Receptors (GPCRs)

Protein Name: A2A adenosine receptor


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

A CAFFEINE
3,7-DIHYDRO-1,3,7-TRIMETHYL-1H-PURINE-2,6- DIONE (Synonym)
C8 H10 N4 O2
RYYVLZVUVIJVGH-UHFFFAOYSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
External Ligand Annotations
ID Binding Affinity (Sequence Identity %)
CFF Ki: 5011.87 - 80000 nM (86 - 97) BindingDB

N/A in BindingMoad
N/A in PDBbind

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 3.6 Å
  • R-Value Free: 0.311
  • R-Value Work: 0.297
  • Space Group: I 2 2 2

Unit Cell:

Length (Å) Angle (°)
a = 112.33 α = 90.00
b = 113.33 β = 90.00
c = 129.30 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 2011-04-06
  • Released Date: 2011-09-07
  • Deposition author(s): Dore, A.S., Robertson, N., Errey, J.C., Ng, I., Hollenstein, K., Tehan, B., Hurrell, E., Bennett, K., Congreve, M., Magnani, F., Tate, C.G., Weir, M., Marshall, F.H.

Revision History

  • Version 1_0: 2011-09-07

    Type: Initial release

  • Version 1_1: 2012-06-20

    Type: Database references