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CD4-gp120 Interaction Interface – A Gateway for HIV-1 Infection in Human: Molecular Network, Modeling and Docking Studies.

CD4-gp120 Interaction Interface – A Gateway for HIV-1 Infection in Human: Molecular Network, Modeling and Docking Studies.
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Pandey D, Podder A, Pandit M, Latha N,


Pandey D, Podder A, Pandit M, Latha N, (click to view)

Pandey D, Podder A, Pandit M, Latha N,

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Journal of biomolecular structure & dynamics 2016 8 21() 1-0

Abstract

The major causative agent for Acquired Immune Deficiency Syndrome (AIDS) is Human Immunodeficiency Virus-1 (HIV-1). HIV-1 is a predominant subtype of Human Immunodeficiency Virus which counts on human cellular mechanism virtually in every aspect of its life cycle. Binding of viral envelope glycoprotein-gp120 with human cell surface CD4 receptor triggers the early infection stage of HIV-1. This study focuses on the interaction interface between these two proteins that play a crucial role for viral infectivity. The CD4-gp120 interaction interface has been studied through a comprehensive Protein-Protein Interaction Network (PPIN) analysis and highlighted as a useful step towards identifying potential therapeutic drug targets against HIV-1 infection. We prioritized gp41, Nef and Tat proteins of HIV-1 as valuable drug targets at early stage of viral infection. Lack of crystal structure has made it difficult to understand the biological implication of these proteins during disease progression. Here, computational protein modeling techniques and molecular dynamics simulations were performed to generate three-dimensional models of these targets. Besides, molecular docking was initiated to determine the desirability of these target proteins for already available HIV-1 specific drugs which indicates the usefulness of these protein structures to identify an effective drug combination therapy against AIDS.

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