3R92

Discovery of a macrocyclic o-aminobenzamide Hsp90 inhibitor with heterocyclic tether that shows extended biomarker activity and in vivo efficacy in a mouse xenograft model.


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.58 Å
  • R-Value Free: 0.194
  • R-Value Work: 0.176

Literature

Macromolecules
Sequence Display for 3R92

Classification: CHAPERONE / CHAPERONE INHIBITOR

Total Structure Weight: 25847.14

Macromolecule Entities
Molecule Chains Length Organism Details
Heat shock protein HSP 90-alpha A 226 Homo sapiens Fragment: N-terminal domain, UNP RESIDUES 10-236
Mutation: ΔE16
Gene Name(s): HSP90AA1 Gene View HSP90A HSPC1 HSPCA
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG

Small Molecules
Ligands 1 Unique
ID Chains Name / Formula / InChI Key 2D Diagram 3D Interactions
06J
Query on 06J

A (3aR)-13,13,16-trimethyl-15-oxo-1,2,3,3a,4,5,12,14,15,17,18,19- dodecahydro-13H-10,6-(metheno)pyrrolo[2',1':3,4][1,4,9]triazacyclotetradecino[9,8- a]indole-7-carboxamide
C26 H34 N4 O2
WQTXERXALASGRT-GOSISDBHSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
External Ligand Annotations
ID Binding Affinity (Sequence Identity %)
06J IC50: 96 nM (99) BindingDB

IC50: 883 nM  BindingMOAD
IC50: 96 nM  PDBbind

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.58 Å
  • R-Value Free: 0.194
  • R-Value Work: 0.176
  • Space Group: I 2 2 2

Unit Cell:

Length (Å) Angle (°)
a = 67.35 α = 90.00
b = 90.36 β = 90.00
c = 98.59 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 2011-03-24
  • Released Date: 2011-06-08
  • Deposition author(s): Zapf, C.W., Bloom, J.D., McBean, J.L., Dushin, R.G., Golas, J.M., Liu, H., Lucas, J., Boschelli, F., Vogan, E.M., Levin, J.I.

Revision History

  • Version 1_0: 2011-06-08

    Type: Initial release

  • Version 1_1: 2011-07-13

    Type: Version format compliance