4RW6

Crystal Structure of HIV-1 Reverse Transcriptase (Y181C) variant in complex with (E)-3-(3-chloro-5-(4-chloro-2-(2-(2,4-dioxo-3,4- dihydropyrimidin-1(2H)-yl)ethoxy)phenoxy)phenyl)acrylonitrile (JLJ494), a Non-nucleoside Inhibitor


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.63 Å
  • R-Value Free: 0.280 
  • R-Value Work: 0.234 
  • R-Value Observed: 0.236 

wwPDB Validation 3D Report Full Report


This is version 1.1 of the entry. See complete history


Literature

Structure-Based Evaluation of Non-nucleoside Inhibitors with Improved Potency and Solubility That Target HIV Reverse Transcriptase Variants.

Frey, K.M.Puleo, D.E.Spasov, K.A.Bollini, M.Jorgensen, W.L.Anderson, K.S.

(2015) J Med Chem 58: 2737-2745

  • DOI: 10.1021/jm501908a
  • Structures With Same Primary Citation

  • PubMed Abstract: 
  • The development of novel non-nucleoside inhibitors (NNRTIs) with activity against variants of HIV reverse transcriptase (RT) is crucial for overcoming treatment failure. The NNRTIs bind in an allosteric pocket in RT ∼10 Å away from the active site. E ...

    The development of novel non-nucleoside inhibitors (NNRTIs) with activity against variants of HIV reverse transcriptase (RT) is crucial for overcoming treatment failure. The NNRTIs bind in an allosteric pocket in RT ∼10 Å away from the active site. Earlier analogues of the catechol diether compound series have picomolar activity against HIV strains with wild-type RT but lose potency against variants with single Y181C and double K103N/Y181C mutations. As guided by structure-based and computational studies, removal of the 5-Cl substitution of compound 1 on the catechol aryl ring system led to a new analogue compound 2 that maintains greater potency against Y181C and K103N/Y181C variants and better solubility (510 μg/mL). Crystal structures were determined for wild-type, Y181C, and K103N/Y181C RT in complex with both compounds 1 and 2 to understand the structural basis for these findings. Comparison of the structures reveals that the Y181C mutation destabilizes the binding mode of compound 1 and disrupts the interactions with residues in the pocket. Compound 2 maintains the same conformation in wild-type and mutant structures, in addition to several interactions with the NNRTI binding pocket. Comparison of the six crystal structures will assist in the understanding of compound binding modes and future optimization of the catechol diether series.


    Organizational Affiliation

    †Department of Pharmacology, ‡Department of Chemistry, Yale University, New Haven, Connecticut 06520-8066, United States.



Macromolecules

Find similar proteins by: Sequence  |  Structure

Entity ID: 1
MoleculeChainsSequence LengthOrganismDetails
Reverse transcriptase/ribonuclease H, p66 subunit
A
557Human immunodeficiency virus type 1 BH10Mutation(s): 4 
Gene Names: gag-pol
EC: 2.7.7.49 (PDB Primary Data), 2.7.7.7 (PDB Primary Data), 3.1.26.13 (PDB Primary Data), 3.1.13.2 (PDB Primary Data), 3.4.23.16 (UniProt), 2.7.7 (UniProt), 3.1 (UniProt)
Find proteins for P03366 (Human immunodeficiency virus type 1 group M subtype B (isolate BH10))
Go to UniProtKB:  P03366

Find similar proteins by: Sequence  |  Structure

Entity ID: 2
MoleculeChainsSequence LengthOrganismDetails
Reverse transcriptase/ribonuclease H, p51 subunit
B
428Human immunodeficiency virus type 1 BH10Mutation(s): 1 
Gene Names: gag-pol
EC: 2.7.7.49 (PDB Primary Data), 3.4.23.16 (UniProt), 2.7.7.7 (UniProt), 3.1.26.13 (UniProt), 3.1.13.2 (UniProt), 2.7.7 (UniProt), 3.1 (UniProt)
Find proteins for P03366 (Human immunodeficiency virus type 1 group M subtype B (isolate BH10))
Go to UniProtKB:  P03366
Small Molecules
Ligands 1 Unique
IDChainsName / Formula / InChI Key2D Diagram3D Interactions
494
Query on 494

Download CCD File 
A
(2E)-3-(3-chloro-5-{4-chloro-2-[2-(2,4-dioxo-3,4-dihydropyrimidin-1(2H)-yl)ethoxy]phenoxy}phenyl)prop-2-enenitrile
C21 H15 Cl2 N3 O4
LXPGWIGXHHBGJC-OWOJBTEDSA-N
 Ligand Interaction
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.63 Å
  • R-Value Free: 0.280 
  • R-Value Work: 0.234 
  • R-Value Observed: 0.236 
  • Space Group: C 1 2 1
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 161.325α = 90
b = 73.939β = 99.76
c = 107.601γ = 90
Software Package:
Software NamePurpose
DENZOdata reduction
SCALEPACKdata scaling
PHENIXrefinement
PDB_EXTRACTdata extraction
CBASSdata collection
HKL-2000data reduction
HKL-2000data scaling
PHASERphasing

Structure Validation

View Full Validation Report



Entry History 

Deposition Data

Revision History 

  • Version 1.0: 2015-04-29
    Type: Initial release
  • Version 1.1: 2017-11-22
    Changes: Refinement description