4GE9

Kynurenine Aminotransferase II Inhibitors


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.43 Å
  • R-Value Free: 0.230 
  • R-Value Work: 0.175 

wwPDB Validation 3D Report Full Report


This is version 1.1 of the entry. See complete history

Literature

Structure-Based Design of Irreversible Human KAT II Inhibitors: Discovery of New Potency-Enhancing Interactions.

Tuttle, J.B.Anderson, M.Bechle, B.M.Campbell, B.M.Chang, C.Dounay, A.B.Evrard, E.Fonseca, K.R.Gan, X.Ghosh, S.Horner, W.James, L.C.Kim, J.Y.McAllister, L.A.Pandit, J.Parikh, V.D.Rago, B.J.Salafia, M.A.Strick, C.A.Zawadzke, L.E.Verhoest, P.R.

(2013) ACS Med Chem Lett 4: 37-40

  • DOI: 10.1021/ml300237v
  • Primary Citation of Related Structures:  

  • PubMed Abstract: 
  • A series of aryl hydroxamates recently have been disclosed as irreversible inhibitors of kynurenine amino transferase II (KAT II), an enzyme that may play a role in schizophrenia and other psychiatric and neurological disorders. The utilization of st ...

    A series of aryl hydroxamates recently have been disclosed as irreversible inhibitors of kynurenine amino transferase II (KAT II), an enzyme that may play a role in schizophrenia and other psychiatric and neurological disorders. The utilization of structure-activity relationships (SAR) in conjunction with X-ray crystallography led to the discovery of hydroxamate 4, a disubstituted analogue that has a significant potency enhancement due to a novel interaction with KAT II. The use of k inact/K i to assess potency was critical for understanding the SAR in this series and for identifying compounds with improved pharmacodynamic profiles.


    Organizational Affiliation

    Pfizer Worldwide Research and Development , Neuroscience Medicinal Chemistry, Eastern Point Road, Groton, Connecticut 06340, United States.




Macromolecules

Find similar proteins by: Sequence  |  Structure

Entity ID: 1
MoleculeChainsSequence LengthOrganismDetails
Kynurenine/alpha-aminoadipate aminotransferase, mitochondrial
A, B, C, D
439Homo sapiensMutation(s): 2 
Gene Names: AADAT (KAT2)
Find proteins for Q8N5Z0 (Homo sapiens)
Go to Gene View: AADAT
Go to UniProtKB:  Q8N5Z0
Small Molecules
Ligands 1 Unique
IDChainsName / Formula / InChI Key2D Diagram3D Interactions
0L0
Query on 0L0

Download SDF File 
Download CCD File 
A, B, C, D
(4-{[(6-benzyl-1-hydroxy-7-methoxy-2-oxo-1,2-dihydroquinolin-3-yl)amino]methyl}-5-hydroxy-6-methylpyridin-3-yl)methyl dihydrogen phosphate
C25 H26 N3 O8 P
XUOFFKSMLSNCMV-UHFFFAOYSA-N
 Ligand Interaction
External Ligand Annotations 
IDBinding Affinity (Sequence Identity %)
0L0Ki: 1.6 nM PDBBIND
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.43 Å
  • R-Value Free: 0.230 
  • R-Value Work: 0.175 
  • Space Group: P 1 21 1
Unit Cell:
Length (Å)Angle (°)
a = 69.155α = 90.00
b = 107.050β = 94.52
c = 116.599γ = 90.00
Software Package:
Software NamePurpose
XDSdata reduction
BUSTER-TNTrefinement
BUSTERrefinement
SCALAdata scaling
JDirectordata collection
PHASERphasing
PDB_EXTRACTdata extraction

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History 

Deposition Data

  • Deposited Date: 2012-08-01 
  • Released Date: 2012-11-07 
  • Deposition Author(s): Pandit, J.

Revision History 

  • Version 1.0: 2012-11-07
    Type: Initial release
  • Version 1.1: 2014-07-16
    Type: Database references