1NNP

X-ray structure of the GluR2 ligand-binding core (S1S2J) in complex with (S)-ATPA at 1.9 A resolution. Crystallization without zinc ions.

Structural Biology Knowledgebase: 1NNP SBKB.org


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.9 Å
  • R-Value Free: 0.216
  • R-Value Work: 0.190

Literature

Macromolecules
Sequence Display for 1NNP

Classification: MEMBRANE PROTEIN

Total Structure Weight: 59090.35

Macromolecule Entities
Molecule Chains Length Organism Details
Glutamate receptor 2 A, B 263 Rattus norvegicus Fragment: GluR2-flop ligand-binding core (S1S2J)
Gene Name(s): Gria2 Glur2
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG

Small Molecules
Ligands 2 Unique
ID Chains Name / Formula / InChI Key 2D Diagram 3D Interactions
CE2
Query on CE2

A, B 3-(5-TERT-BUTYL-3-OXIDOISOXAZOL-4-YL)-L-ALANINATE
(S)-ATPA, (S)-2-AMINO-3-(3-HYDROXY-5-TERT- BUTYL-ISOXAZOL-4-YL)PROPIONIC ACID (Synonym)
C10 H15 N2 O4
PIXJURSCCVBKRF-LURJTMIESA-M
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
SO4
Query on SO4

A, B SULFATE ION
O4 S
QAOWNCQODCNURD-UHFFFAOYSA-L
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
External Ligand Annotations
ID Binding Affinity (Sequence Identity %)
CE2 EC50: 7600 - >1000000 nM (88 - 99) BindingDB
Ki: 1660 - 2780 nM (88 - 99) BindingDB

N/A in BindingMoad
N/A in PDBbind

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.9 Å
  • R-Value Free: 0.216
  • R-Value Work: 0.190
  • Space Group: P 21 21 2

Unit Cell:

Length (Å) Angle (°)
a = 96.73 α = 90.00
b = 121.47 β = 90.00
c = 47.10 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 2003-01-14
  • Released Date: 2003-03-11
  • Deposition author(s): Lunn, M.L., Hogner, A., Stensbol, T.B., Gouaux, E., Egebjerg, J., Kastrup, J.S.

Revision History

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