3OWJ

Human CK2 catalytic domain in complex with a pyridocarbazole derivative inhibitor


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.85 Å
  • R-Value Free: 0.242 
  • R-Value Work: 0.196 

wwPDB Validation 3D Report Full Report


This is version 1.1 of the entry. See complete history

Literature

Antitumor activity of pyridocarbazole and benzopyridoindole derivatives that inhibit protein kinase CK2.

Prudent, R.Moucadel, V.Nguyen, C.H.Barette, C.Schmidt, F.Florent, J.C.Lafanechere, L.Sautel, C.F.Duchemin-Pelletier, E.Spreux, E.Filhol, O.Reiser, J.B.Cochet, C.

(2010) Cancer Res. 70: 9865-9874

  • DOI: 10.1158/0008-5472.CAN-10-0917
  • Primary Citation of Related Structures:  

  • PubMed Abstract: 
  • The alkyloid compound ellipticine derived from the berrywood tree is a topoisomerase II poison that is used in ovarian and breast cancer treatment. In this study, we report the identification of ellipticine derivatives and their tetracyclic angular b ...

    The alkyloid compound ellipticine derived from the berrywood tree is a topoisomerase II poison that is used in ovarian and breast cancer treatment. In this study, we report the identification of ellipticine derivatives and their tetracyclic angular benzopyridoindole analogues as novel ATP-competitive inhibitors of the protein kinase CK2. In vitro and in vivo assays showed that these compounds have a good pharmacologic profile, causing a marked inhibition of CK2 activity associated with cell cycle arrest and apoptosis in human cancer cells. Further, in vivo assays demonstrate antitumor activity in a mouse xenograft model of human glioblastoma. Finally, crystal structures of CK2-inhibitor complex provide structural insights on the molecular basis of CK2 inhibition. Our work lays the foundation for development of clinically useful CK2 inhibitors derived from a well-studied scaffold with suitable pharmacokinetics parameters.


    Organizational Affiliation

    INSERM, U873, Grenoble, France.




Macromolecules

Find similar proteins by: Sequence  |  Structure

Entity ID: 1
MoleculeChainsSequence LengthOrganismDetails
CSNK2A1 protein
A
331Homo sapiensMutation(s): 0 
Gene Names: CSNK2A1 (CK2A1)
EC: 2.7.11.1
Find proteins for P68400 (Homo sapiens)
Go to Gene View: CSNK2A1
Go to UniProtKB:  P68400
Small Molecules
Ligands 1 Unique
IDChainsName / Formula / InChI Key2D Diagram3D Interactions
1EL
Query on 1EL

Download SDF File 
Download CCD File 
A
9-hydroxy-5,11-dimethyl-4,6-dihydro-1H-pyrido[4,3-b]carbazol-1-one
C17 H14 N2 O2
BYVREUYOPILHPU-UHFFFAOYSA-N
 Ligand Interaction
External Ligand Annotations 
IDBinding Affinity (Sequence Identity %)
1ELKi: 860 nM BINDINGMOAD
1ELKi: 860 nM PDBBIND
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.85 Å
  • R-Value Free: 0.242 
  • R-Value Work: 0.196 
  • Space Group: P 1 21 1
Unit Cell:
Length (Å)Angle (°)
a = 58.510α = 90.00
b = 46.030β = 111.79
c = 63.620γ = 90.00
Software Package:
Software NamePurpose
XDSdata scaling
XDSdata reduction
REFMACrefinement
AMoREphasing
ADSCdata collection

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History 

Deposition Data

Revision History 

  • Version 1.0: 2010-12-15
    Type: Initial release
  • Version 1.1: 2011-07-13
    Type: Version format compliance