1PBQ

CRYSTAL STRUCTURE OF THE NR1 LIGAND BINDING CORE IN COMPLEX WITH 5,7-DICHLOROKYNURENIC ACID (DCKA) AT 1.90 ANGSTROMS RESOLUTION

Structural Biology Knowledgebase: 1PBQ SBKB.org


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.9 Å
  • R-Value Free: 0.270
  • R-Value Work: 0.231

Literature

Macromolecules
Sequence Display for 1PBQ

Classification: LIGAND BINDING PROTEIN

Total Structure Weight: 67196.66

Macromolecule Entities
Molecule Chains Length Organism Details
N-methyl-D-aspartate Receptor Subunit 1 A, B 292 Rattus norvegicus Fragment: Ligand Binding Core
Gene Name(s): Grin1 Nmdar1
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG

Small Molecules
Ligands 1 Unique
ID Chains Name / Formula / InChI Key 2D Diagram 3D Interactions
DK1
Query on DK1

A, B 5,7-DICHLORO-4-HYDROXYQUINOLINE-2-CARBOXYLIC ACID
5, (Synonym)
C10 H5 Cl2 N O3
BGKFPRIGXAVYNX-UHFFFAOYSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
External Ligand Annotations
ID Binding Affinity (Sequence Identity %)
DK1 EC50: 330 nM (100) BindingDB
IC50: 90 - 860 nM (100) BindingDB
Ki: 40 - 90 nM (100) BindingDB

Ki: 540 nM  BindingMOAD
Ki: 540 nM  PDBbind

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.9 Å
  • R-Value Free: 0.270
  • R-Value Work: 0.231
  • Space Group: C 1 2 1

Unit Cell:

Length (Å) Angle (°)
a = 85.70 α = 90.00
b = 65.30 β = 98.10
c = 124.30 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 2003-05-14
  • Released Date: 2003-07-29
  • Deposition author(s): Furukawa, H., Gouaux, E.

Revision History

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