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


Ligand Structure Quality Assessment 


This is version 1.2 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)  |  3D Structure
Entity ID: 1
MoleculeChains Sequence LengthOrganismDetailsImage
Serine/threonine-protein kinase Chk1273Homo 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
GTEx:  ENSG00000149554 
Entity Groups  
Sequence Clusters30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt GroupO14757
Sequence Annotations
Expand
  • Reference Sequence
Small Molecules
Ligands 1 Unique
IDChains Name / 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
Binding Affinity Annotations 
IDSourceBinding Affinity
09H PDBBind:  3U9N Kd: 100 (nM) from 1 assay(s)
BindingDB:  3U9N Kd: 100 (nM) from 1 assay(s)
IC50: 75 (nM) from 1 assay(s)
EC50: 1.00e+4 (nM) from 1 assay(s)
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



Ligand Structure Quality Assessment 


Entry History 

Deposition Data

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
  • Version 1.2: 2024-02-28
    Changes: Data collection, Database references, Derived calculations