2R0U

Crystal Structure of Chek1 in Complex with Inhibitor 54


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.9 Å
  • R-Value Free: 0.218
  • R-Value Work: 0.195

Literature

Macromolecules
Sequence Display for 2R0U

Classification: TRANSFERASE

Total Structure Weight: 37332.62

Macromolecule Entities
Molecule Chains Length Organism Details
Serine/threonine-protein kinase Chk1 A 323 Homo sapiens EC#: 2.7.11.1 IUBMB
Fragment: Protein kinase domain
Gene Name(s): CHEK1 Gene View CHK1
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG

Small Molecules
Ligands 1 Unique
ID Chains Name / Formula / InChI Key 2D Diagram 3D Interactions
M54
Query on M54

A 6-(3-aminopropyl)-4-(3-hydroxyphenyl)-9-(1H- pyrazol-4-yl)benzo[h]isoquinolin-1(2H)-one
C25 H22 N4 O2
BUSJQQYKXHYDNN-UHFFFAOYSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
External Ligand Annotations
ID Binding Affinity (Sequence Identity %)
M54 IC50: 1 nM (100) BindingDB

IC50: 1 nM  BindingMOAD
IC50: 1.0 nM  PDBbind

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.9 Å
  • R-Value Free: 0.218
  • R-Value Work: 0.195
  • Space Group: P 1 21 1

Unit Cell:

Length (Å) Angle (°)
a = 45.26 α = 90.00
b = 65.54 β = 94.27
c = 58.50 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 2007-08-21
  • Released Date: 2007-10-30
  • Deposition author(s): Yan, Y., Ikuta, M.

Revision History

  • Version 1_0: 2007-10-30

    Type: Initial release

  • Version 1_1: 2011-07-13

    Type: Version format compliance