3U9N

X-ray crystal structure of compound 1 bound to human CHK1 kinase domain


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.85 Å
  • R-Value Free: 0.229 
  • R-Value Work: 0.196 

wwPDB Validation 3D Report Full Report


This is version 1.1 of the entry. See complete history

Literature

Discovery of a Novel Series of CHK1 Kinase Inhibitors with Distinctive Hinge Binding Mode

Huang, X.Cheng, C.C.Fischmann, T.O.Duca, J.S.Yang, X.Richards, M.Shipps Jr., G.W.

(2012) ACS MED.CHEM.LETT. --: --


Macromolecules

Find similar proteins by: Sequence  |  Structure

Entity ID: 1
MoleculeChainsSequence LengthOrganismDetails
Serine/threonine-protein kinase Chk1
A
273Homo sapiensMutation(s): 0 
Gene Names: CHEK1 (CHK1)
EC: 2.7.11.1
Find proteins for O14757 (Homo sapiens)
Go to Gene View: CHEK1
Go to UniProtKB:  O14757
Small Molecules
Ligands 1 Unique
IDChainsName / Formula / InChI Key2D Diagram3D Interactions
09H
Query on 09H

Download SDF File 
Download CCD File 
A
2-(2,3-dihydro-1-benzofuran-5-yl)-N-[2-(piperazin-1-yl)phenyl]-1,3-thiazole-4-carboxamide
C22 H22 N4 O2 S
WRGSHXQBWJUKQD-UHFFFAOYSA-N
 Ligand Interaction
External Ligand Annotations 
IDBinding Affinity (Sequence Identity %)
09HIC50: 75 nM (100) BINDINGDB
09HKd: <100 nM (100) BINDINGDB
09HEC50: 10000 nM (100) BINDINGDB
09HKd: 100 nM PDBBIND
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.85 Å
  • R-Value Free: 0.229 
  • R-Value Work: 0.196 
  • Space Group: P 1 21 1
Unit Cell:
Length (Å)Angle (°)
a = 45.160α = 90.00
b = 65.680β = 102.63
c = 54.780γ = 90.00
Software Package:
Software NamePurpose
TNTphasing
SCALEPACKdata scaling
JDirectordata collection
TNTrefinement
BUSTERrefinement
DENZOdata reduction

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History 

Deposition Data

  • Deposited Date: 2011-10-19 
  • Released Date: 2012-01-25 
  • Deposition Author(s): Fischmann, T.O.

Revision History 

  • Version 1.0: 2012-01-25
    Type: Initial release
  • Version 1.1: 2012-02-01
    Type: Database references