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 
  • R-Value Observed: 0.197 

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:  (by identity cutoff)  |  Structure
Entity ID: 1
MoleculeChainsSequence LengthOrganismDetailsImage
Serine/threonine-protein kinase Chk1A273Homo sapiensMutation(s): 0 
Gene Names: CHEK1CHK1
EC: 2.7.11.1
UniProt & NIH Common Fund Data Resources
Find proteins for O14757 (Homo sapiens)
Explore O14757 
Go to UniProtKB:  O14757
PHAROS:  O14757
Protein Feature View
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  • Reference Sequence
Small Molecules
Ligands 1 Unique
IDChainsName / Formula / InChI Key2D Diagram3D Interactions
09H
Query on 09H

Download Ideal Coordinates CCD File 
B [auth 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 %)
09HKd:  100   nM  BindingDB
09HKd :  100   nM  PDBBind
09HEC50:  10000   nM  BindingDB
09HIC50:  75   nM  BindingDB
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.85 Å
  • R-Value Free: 0.229 
  • R-Value Work: 0.196 
  • R-Value Observed: 0.197 
  • Space Group: P 1 21 1
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 45.16α = 90
b = 65.68β = 102.63
c = 54.78γ = 90
Software Package:
Software NamePurpose
JDirectordata collection
TNTrefinement
BUSTERrefinement
DENZOdata reduction
SCALEPACKdata scaling
TNTphasing

Structure Validation

View Full Validation Report



Entry History 

Deposition Data

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

Revision History  (Full details and data files)

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