2E9P

Structure of h-CHK1 complexed with A771129


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.6 Å
  • R-Value Free: 0.296 
  • R-Value Work: 0.210 

wwPDB Validation 3D Report Full Report


This is version 1.1 of the entry. See complete history

Literature

Structure-Based Design, Synthesis and Biological Evaluation of Potent and Selective Macrocyclic Chk1 Inhibitors

Tong, Y.Claiborne, A.Stewart, K.D.Park, C.Kovar, P.Chen, Z.Credo, R.B.Gwaltney, S.L.Zhang, H.Rosenberg, S.H.Sham, H.L.Sowin, T.J.Lin, N.H.

To be published.

Macromolecules

Find similar proteins by: Sequence  |  Structure

Entity ID: 1
MoleculeChainsSequence LengthOrganismDetails
Serine/threonine-protein kinase Chk1
A
269Homo 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
77A
Query on 77A

Download SDF File 
Download CCD File 
A
1-(5-CHLORO-2-METHOXYPHENYL)-3-{6-[2-(DIMETHYLAMINO)-1-METHYLETHOXY]PYRAZIN-2-YL}UREA
C17 H22 Cl N5 O3
GIAYFZLMPSVQDV-NSHDSACASA-N
 Ligand Interaction
External Ligand Annotations 
IDBinding Affinity (Sequence Identity %)
77AIC50: 22 nM (100) BINDINGDB
77AKi: 20 nM (100) BINDINGDB
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.6 Å
  • R-Value Free: 0.296 
  • R-Value Work: 0.210 
  • Space Group: P 1 21 1
Unit Cell:
Length (Å)Angle (°)
a = 44.948α = 90.00
b = 65.569β = 94.03
c = 58.267γ = 90.00
Software Package:
Software NamePurpose
CNXrefinement
HKL-2000data scaling
HKL-2000data reduction
CNSphasing
HKL-2000data collection

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History 

Deposition Data

  • Deposited Date: 2007-01-26 
  • Released Date: 2008-01-29 
  • Deposition Author(s): Park, C.

Revision History 

  • Version 1.0: 2008-01-29
    Type: Initial release
  • Version 1.1: 2011-07-13
    Type: Version format compliance