4EA3

Structure of the N/OFQ Opioid Receptor in Complex with a Peptide Mimetic


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 3.01 Å
  • R-Value Free: 0.288
  • R-Value Work: 0.248

Literature

Macromolecules
Sequence Display for 4EA3

Classification: SIGNALING PROTEIN

Total Structure Weight: 98018.35

Macromolecule Entities
Molecule Chains Length Organism Details
Fusion protein of Nociceptin receptor and cytochrome b562 A, B 434 Escherichia coli Homo sapiens Mutation: M1007W, H1102I, R1106L
Gene Name(s): cybC OPRL1 Gene View OOR ORL1
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG

Membrane Protein

Source: mpstruc | Group: ALPHA-HELICAL

Subgroup Name: G Protein-Coupled Receptors (GPCRs)

Protein Name: Nociceptin/orphanin FQ (N/OFQ) receptor with bound peptide


Small Molecules
Ligands 4 Unique
ID Chains Name / Formula / InChI Key 2D Diagram 3D Interactions
0NN
Query on 0NN

A, B 1-benzyl-N-[3-(1'H,3H-spiro[2-benzofuran- 1,4'-piperidin]-1'-yl)propyl]-D-prolinamide
C27 H35 N3 O2
MAKMQGKJURAJEN-RUZDIDTESA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
OLB
Query on OLB

A (2S)-2,3-dihydroxypropyl (9Z)-octadec-9-enoate
C21 H40 O4
RZRNAYUHWVFMIP-QJRAZLAKSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
OLC
Query on OLC

B (2R)-2,3-dihydroxypropyl (9Z)-octadec-9-enoate
1-Oleoyl-R-glycerol (Synonym)
C21 H40 O4
RZRNAYUHWVFMIP-GDCKJWNLSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
OLA
Query on OLA

A OLEIC ACID
C18 H34 O2
ZQPPMHVWECSIRJ-KTKRTIGZSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
External Ligand Annotations
ID Binding Affinity (Sequence Identity %)
0NN EC50: >1000 nM (98) BindingDB
IC50: 0.15 - 0.27 nM (98) BindingDB
Ki: 0.239883 nM (98) BindingDB

N/A in BindingMoad
IC50: 0.27 nM  PDBbind

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 3.01 Å
  • R-Value Free: 0.288
  • R-Value Work: 0.248
  • Space Group: P 1 21 1

Unit Cell:

Length (Å) Angle (°)
a = 42.11 α = 90.00
b = 170.94 β = 103.14
c = 65.35 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 2012-03-22
  • Released Date: 2012-04-25
  • Deposition author(s): Thompson, A.A., Liu, W., Chun, E., Katritch, V., Wu, H., Vardy, E., Huang, X.P., Trapella, C., Guerrini, R., Calo, G., Roth, B.L., Cherezov, V., Stevens, R.C., GPCR Network (GPCR)

Revision History

  • Version 1_0: 2012-04-25

    Type: Initial release

  • Version 1_1: 2012-05-30

    Type: Database references

  • Version 1_2: 2017-07-26

    Type: Refinement description, Source and taxonomy

  • Version 1_3: 2017-11-15

    Type: Refinement description