2E9U

Structure of h-CHK1 complexed with A780125


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2 Å
  • R-Value Free: 0.277 
  • R-Value Work: 0.227 

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 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
A25
Query on A25

Download SDF File 
Download CCD File 
A
18-CHLORO-11,12,13,14-TETRAHYDRO-1H,10H-8,4-(AZENO)-9,15,1,3,6-BENZODIOXATRIAZACYCLOHEPTADECIN-2-ONE
7-CHLORO-11,17-DIOXA-2,4,20,22-TETRAAZA-TRICYCLO[16.3.1.0*5,10*]DOCOSA-1(22),5(10),6,8,18,20-HEXAEN-3-ONE
C16 H17 Cl N4 O3
JRSWWYITYIOHOP-UHFFFAOYSA-N
 Ligand Interaction
External Ligand Annotations 
IDBinding Affinity (Sequence Identity %)
A25IC50: 10 nM (100) BINDINGDB
A25Ki: 7.9 nM (100) BINDINGDB
A25Ki: 7.94 nM PDBBIND
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2 Å
  • R-Value Free: 0.277 
  • R-Value Work: 0.227 
  • Space Group: P 1 21 1
Unit Cell:
Length (Å)Angle (°)
a = 45.075α = 90.00
b = 65.820β = 94.37
c = 57.945γ = 90.00
Software Package:
Software NamePurpose
HKL-2000data scaling
HKL-2000data reduction
CNXrefinement
ADSCdata collection
CNSphasing

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History 

Deposition Data

  • Deposited Date: 2007-01-27 
  • 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