3EKR

Dihydroxylphenyl amides as inhibitors of the Hsp90 molecular chaperone


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2 Å
  • R-Value Free: 0.223 
  • R-Value Work: 0.187 

wwPDB Validation 3D Report Full Report


This is version 1.1 of the entry. See complete history

Literature

Dihydroxylphenyl amides as inhibitors of the Hsp90 molecular chaperone.

Kung, P.P.Funk, L.Meng, J.Collins, M.Zhou, J.Z.Johnson, M.C.Ekker, A.Wang, J.Mehta, P.Yin, M.J.Rodgers, C.Davies, J.F.Bayman, E.Smeal, T.Maegley, K.A.Gehring, M.R.

(2008) Bioorg.Med.Chem.Lett. 18: 6273-6278

  • DOI: 10.1016/j.bmcl.2008.09.081
  • Primary Citation of Related Structures:  

  • PubMed Abstract: 
  • Information from X-ray crystal structures were used to optimize the potency of a HTS hit in a Hsp90 competitive binding assay. A class of novel and potent small molecule Hsp90 inhibitors were thereby identified. Enantio-pure compounds 31 and 33 were ...

    Information from X-ray crystal structures were used to optimize the potency of a HTS hit in a Hsp90 competitive binding assay. A class of novel and potent small molecule Hsp90 inhibitors were thereby identified. Enantio-pure compounds 31 and 33 were potent in PGA-based competitive binding assay and inhibited proliferation of various human cancer cell lines in vitro, with IC(50) values averaging 20 nM.


    Organizational Affiliation

    Pfizer Global Research and Development, La Jolla Laboratories, 10770, Science Center Dr., San Diego, CA 92121, USA. peipei.kung@pfizer.com




Macromolecules

Find similar proteins by: Sequence  |  Structure

Entity ID: 1
MoleculeChainsSequence LengthOrganismDetails
Heat shock protein HSP 90-alpha
A, B
226Homo sapiensMutation(s): 0 
Gene Names: HSP90AA1 (HSP90A, HSPC1, HSPCA)
Find proteins for P07900 (Homo sapiens)
Go to Gene View: HSP90AA1
Go to UniProtKB:  P07900
Small Molecules
Ligands 2 Unique
IDChainsName / Formula / InChI Key2D Diagram3D Interactions
PY9
Query on PY9

Download SDF File 
Download CCD File 
A, B
4-{[(2R)-2-(2-methylphenyl)pyrrolidin-1-yl]carbonyl}benzene-1,3-diol
C18 H19 N O3
TWODFUZHWYZBHZ-MRXNPFEDSA-N
 Ligand Interaction
PO4
Query on PO4

Download SDF File 
Download CCD File 
B
PHOSPHATE ION
O4 P
NBIIXXVUZAFLBC-UHFFFAOYSA-K
 Ligand Interaction
External Ligand Annotations 
IDBinding Affinity (Sequence Identity %)
PY9Ki: 2800 nM BINDINGMOAD
PY9Ki: 30 nM PDBBIND
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2 Å
  • R-Value Free: 0.223 
  • R-Value Work: 0.187 
  • Space Group: P 21 21 21
Unit Cell:
Length (Å)Angle (°)
a = 45.735α = 90.00
b = 79.511β = 90.00
c = 118.013γ = 90.00
Software Package:
Software NamePurpose
SCALEPACKdata scaling
CNXphasing
CNXrefinement
HKL-2000data collection
HKL-2000data reduction

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History 

Deposition Data

  • Deposited Date: 2008-09-19 
  • Released Date: 2008-11-25 
  • Deposition Author(s): Gajiwala, K.S.

Revision History 

  • Version 1.0: 2008-11-25
    Type: Initial release
  • Version 1.1: 2011-07-13
    Type: Version format compliance