Molecular dynamics studies on the interaction of 4-acetylamino-5-hydroxynapthalene-2,7-disulfonic acid with catalytic domain of avian sarcoma virus integrase dimer

F. D. Suvire, A. M. Rodríguez, M. L. Mak, J. Papp, R. D. Enriz

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

We report here 500 ps molecular dynamics (MD) simulation results on two molecules of 4-acetylamino-5-hydroxy naphthalene 2-7-disulfonic acid (Y-3) in the catalytic domain (residues 54-199) of avian sarcoma virus integrase (ASV-IN) dimer. Starting model was obtained on the basis of PDB coordinates (PDB code 1A5X) of ASV-IN-Y3 monomer by Lubkowski et al. [Proc. Natl Acad. Sci. USA, 95 (1998) 4831-4836]. Two molecules of Y3 were docked in the active cavity of the dimer using IMF [Phys. Edu., 5 (1988) 169-176]. Energy minimization (EM) and MD simulation were carried out using Sander's module of AMBER 5.0 [AMBER 5.0: Assisted Model building with Energy Refinement: a computer simulation software developed by the University of California, USA, 1997] with all atom force field for Y3 and united atom force field for IN. Analysis of the ligand protein interaction and perturbative changes in the complex is presented in the paper. Salient features related to higher pharmacological activity of Y-3 compared to other analogs from acetyl-amino-naphthalene series are enumerated.

Original languageEnglish
Pages (from-to)35-46
Number of pages12
JournalJournal of Molecular Structure: THEOCHEM
Volume540
DOIs
Publication statusPublished - May 4 2001

Fingerprint

Avian Sarcoma Viruses
Integrases
viruses
Molecular Dynamics Simulation
Viruses
naphthalene
Dimers
field theory (physics)
Molecular dynamics
Catalytic Domain
cancer
dimers
Naphthalene
molecular dynamics
acids
Acids
Computer simulation
activity (biology)
Computer Simulation
Sanders

Keywords

  • ASV-IN Y3 dimer
  • MD simulation 500 ps
  • Potency Y3

ASJC Scopus subject areas

  • Physical and Theoretical Chemistry
  • Computational Theory and Mathematics
  • Atomic and Molecular Physics, and Optics

Cite this

Molecular dynamics studies on the interaction of 4-acetylamino-5-hydroxynapthalene-2,7-disulfonic acid with catalytic domain of avian sarcoma virus integrase dimer. / Suvire, F. D.; Rodríguez, A. M.; Mak, M. L.; Papp, J.; Enriz, R. D.

In: Journal of Molecular Structure: THEOCHEM, Vol. 540, 04.05.2001, p. 35-46.

Research output: Contribution to journalArticle

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