4QL8

Crystal structure of Androgen Receptor in complex with the ligand


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.1 Å
  • R-Value Free: 0.275 
  • R-Value Work: 0.244 

wwPDB Validation 3D Report Full Report


This is version 1.1 of the entry. See complete history

Literature

3-alkoxy-pyrrolo[1,2-b]pyrazolines as selective androgen receptor modulators with ideal physicochemical properties for transdermal administration

Ullrich, T.Sasmal, S.Boorgu, V.Pasagadi, S.Cheera, S.Rajagopalan, S.Bhumireddy, A.Shashikumar, D.Chelur, S.Belliappa, C.Pandit, C.Krishnamurthy, N.Mukherjee, S.Ramanathan, A.Ghadiyaram, C.Ramachandra, M.Santos, P.G.Lagu, B.Bock, M.G.Perrone, M.H.Weiler, S.Keller, H.

(2014) J.Med.Chem. 57: 7396-7411

  • DOI: 10.1021/jm5009049

  • PubMed Abstract: 
  • We describe the synthesis and characterization of 3-alkoxy-pyrrolo[1,2-b]pyrazolines as novel selective androgen receptor (AR) modulators that possess excellent physicochemical properties for transdermal administration. Compound 26 bound to human AR ...

    We describe the synthesis and characterization of 3-alkoxy-pyrrolo[1,2-b]pyrazolines as novel selective androgen receptor (AR) modulators that possess excellent physicochemical properties for transdermal administration. Compound 26 bound to human AR with an IC50 of 0.7 nM with great selectivity over other nuclear hormone receptors and potently activated AR in a C2C12 muscle cell reporter gene assay with an EC50 of 0.5 nM. It showed high aqueous solubility of 1.3 g/L at pH 7.4, and an in silico model as well as a customized parallel artificial membrane permeability assay indicated good skin permeation. Indeed, when measuring skin permeation through excised human skin, an excellent flux of 2 μg/(cm(2)·h) was determined without any permeation enhancers. In a 2 week Hershberger model using castrated rats, the compound showed dose-dependent effects fully restoring skeletal muscle weight at 0.3 mg/kg/day after subcutaneous administration with high selectivity over prostate stimulation.


    Organizational Affiliation

    Global Discovery Chemistry and #Musculoskeletal Diseases, Novartis Institutes for BioMedical Research , CH-4002 Basel, Switzerland.




Macromolecules

Find similar proteins by: Sequence  |  Structure

Entity ID: 1
MoleculeChainsSequence LengthOrganismDetails
Androgen receptor
A
259Homo sapiensMutation(s): 0 
Gene Names: AR (DHTR, NR3C4)
Find proteins for P10275 (Homo sapiens)
Go to Gene View: AR
Go to UniProtKB:  P10275
Small Molecules
Ligands 1 Unique
IDChainsName / Formula / InChI Key2D Diagram3D Interactions
JAD
Query on JAD

Download SDF File 
Download CCD File 
A
2-chloro-4-[(3S,3aS,4S)-4-hydroxy-3-methoxy-3a,4,5,6-tetrahydro-3H-pyrrolo[1,2-b]pyrazol-2-yl]-3-methylbenzonitrile
C15 H16 Cl N3 O2
RJZJEPYCJHLWQR-TUKIKUTGSA-N
 Ligand Interaction
External Ligand Annotations 
IDBinding Affinity (Sequence Identity %)
JADEC50: 0.5 nM (100) BINDINGDB
JADIC50: 0.7 nM (100) BINDINGDB
JADIC50: 0.7 nM BINDINGMOAD
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.1 Å
  • R-Value Free: 0.275 
  • R-Value Work: 0.244 
  • Space Group: P 21 21 21
Unit Cell:
Length (Å)Angle (°)
a = 55.129α = 90.00
b = 65.476β = 90.00
c = 68.964γ = 90.00
Software Package:
Software NamePurpose
MOLREPphasing
REFMACrefinement
DENZOdata reduction
CrystalCleardata collection
SCALEPACKdata scaling

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History 

Deposition Data

Revision History 

  • Version 1.0: 2015-06-17
    Type: Initial release
  • Version 1.1: 2016-03-23
    Type: Database references