3ZT4

Small molecule inhibitors of the LEDGF site of HIV type 1 integrase identified by fragment screening and structure based drug design


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.20 Å
  • R-Value Free: 0.229 
  • R-Value Work: 0.170 
  • R-Value Observed: 0.173 

wwPDB Validation   3D Report Full Report


Ligand Structure Quality Assessment 


This is version 1.1 of the entry. See complete history


Literature

Small Molecule Inhibitors of the Ledgf Site of Human Immunodeficiency Virus Integrase Identified by Fragment Screening and Structure Based Design

Peat, T.S.Rhodes, D.I.Vandergraaff, N.Le, G.Smith, J.A.Clark, L.J.Jones, E.D.Coates, J.A.V.Thienthong, N.Newman, J.Dolezal, O.Mulder, R.Ryan, J.H.Savage, G.P.Francis, C.L.Deadman, J.J.

(2012) PLoS One 7: 40147

  • DOI: 10.1371/journal.pone.0040147
  • Primary Citation of Related Structures:  
    3ZCM, 3ZSO, 3ZSQ, 3ZSR, 3ZSV, 3ZSW, 3ZSX, 3ZSY, 3ZSZ, 3ZT0, 3ZT1, 3ZT2, 3ZT3, 3ZT4

  • PubMed Abstract: 
  • A fragment-based screen against human immunodeficiency virus type 1 (HIV) integrase led to a number of compounds that bound to the lens epithelium derived growth factor (LEDGF) binding site of the integrase catalytic core domain. We determined the crystallographic structures of complexes of the HIV integrase catalytic core domain for 10 of these compounds and quantitated the binding by surface plasmon resonance ...

    A fragment-based screen against human immunodeficiency virus type 1 (HIV) integrase led to a number of compounds that bound to the lens epithelium derived growth factor (LEDGF) binding site of the integrase catalytic core domain. We determined the crystallographic structures of complexes of the HIV integrase catalytic core domain for 10 of these compounds and quantitated the binding by surface plasmon resonance. We demonstrate that the compounds inhibit the interaction of LEDGF with HIV integrase in a proximity AlphaScreen assay, an assay for the LEDGF enhancement of HIV integrase strand transfer and in a cell based assay. The compounds identified represent a potential framework for the development of a new series of HIV integrase inhibitors that do not bind to the catalytic site of the enzyme.


    Related Citations: 
    • Structural Basis for a New Mechanism of Inhibition of HIV-1 Integrase Identified by Fragment Screening and Structure-Based Design.
      Rhodes, D.I., Peat, T.S., Vandegraaff, N., Jeevarajah, D., Le, G., Jones, E.D., Smith, J.A., Coates, J.A., Winfield, L.J., Thienthong, N., Newman, J., Lucent, D., Ryan, J.H., Savage, G.P., Francis, C.L., Deadman, J.J.
      (2011) Antivir Chem Chemother 21: 155

    Organizational Affiliation

    CSIRO Materials, Science and Engineering, Parkville, Victoria, Australia. tom.peat@csiro.au



Macromolecules
Find similar proteins by:  (by identity cutoff)  |  Structure
Entity ID: 1
MoleculeChainsSequence LengthOrganismDetailsImage
INTEGRASEA, B167Human immunodeficiency virusMutation(s): 3 
EC: 2.7.7 (PDB Primary Data), 3.4.23.16 (UniProt), 2.7.7.49 (UniProt), 2.7.7.7 (UniProt), 3.1.26.13 (UniProt), 3.1.13.2 (UniProt), 3.1 (UniProt)
UniProt
Find proteins for P12497 (Human immunodeficiency virus type 1 group M subtype B (isolate NY5))
Explore P12497 
Go to UniProtKB:  P12497
Protein Feature View
Expand
  • Reference Sequence
Small Molecules
Ligands 4 Unique
IDChainsName / Formula / InChI Key2D Diagram3D Interactions
ZT2 (Subject of Investigation/LOI)
Query on ZT2

Download Ideal Coordinates CCD File 
H [auth A], I [auth A], N [auth B], O [auth B]5-[(E)-(2-OXO-2,3-DIHYDRO-1H-INDEN-1-YLIDENE)METHYL]-1,3-BENZODIOXOLE-4-CARBOXYLIC ACID
C18 H12 O5
WRNAEMYUELGDPO-NTUHNPAUSA-N
 Ligand Interaction
SO4
Query on SO4

Download Ideal Coordinates CCD File 
C [auth A], D [auth A], E [auth A], J [auth B], K [auth B], L [auth B]SULFATE ION
O4 S
QAOWNCQODCNURD-UHFFFAOYSA-L
 Ligand Interaction
EDO
Query on EDO

Download Ideal Coordinates CCD File 
G [auth A]1,2-ETHANEDIOL
C2 H6 O2
LYCAIKOWRPUZTN-UHFFFAOYSA-N
 Ligand Interaction
ACY
Query on ACY

Download Ideal Coordinates CCD File 
F [auth A], M [auth B]ACETIC ACID
C2 H4 O2
QTBSBXVTEAMEQO-UHFFFAOYSA-N
 Ligand Interaction
Binding Affinity Annotations 
IDSourceBinding Affinity
ZT2 Binding MOAD:  3ZT4 Kd: 1.38e+6 (nM) from 1 assay(s)
PDBBind:  3ZT4 Kd: 1.57e+6 (nM) from 1 assay(s)
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.20 Å
  • R-Value Free: 0.229 
  • R-Value Work: 0.170 
  • R-Value Observed: 0.173 
  • Space Group: P 31
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 71.058α = 90
b = 71.058β = 90
c = 66.559γ = 120
Software Package:
Software NamePurpose
REFMACrefinement
MOSFLMdata reduction
SCALAdata scaling
PHASERphasing

Structure Validation

View Full Validation Report



Ligand Structure Quality Assessment  



Entry History 

Deposition Data

Revision History  (Full details and data files)

  • Version 1.0: 2012-07-18
    Type: Initial release
  • Version 1.1: 2012-08-01
    Changes: Database references