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Review
. 2018;88:245-260.
doi: 10.1007/978-981-10-8456-0_11.

Structure and Function of the Human Respiratory Syncytial Virus M2-1 Protein

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Free article
Review

Structure and Function of the Human Respiratory Syncytial Virus M2-1 Protein

Selvaraj Muniyandi et al. Subcell Biochem. .
Free article

Abstract

Human respiratory syncytial virus (HRSV) is a non-segmented negative stranded RNA virus and is recognized as the most important viral agent of lower respiratory tract infection worldwide, responsible for up to 199,000 deaths each year. The only FDA-approved regime to prevent HRSV-mediated disease is pre-exposure administration of a humanized HRSV-specific monoclonal antibody, which although being effective, is not in widespread usage due to its cost. No HRSV vaccine exists and so there remains a strong need for alternative and complementary anti-HRSV therapies. The HRSV M2-1 protein is a transcription factor and represents an attractive target for the development of antiviral compounds, based on its essential role in the viral replication cycle. To this end, a detailed analysis of M2-1 structure and functions will aid in identifying rational targets for structure-based antiviral drug design that can be developed in future translational research. Here we present an overview of the current understanding of the structure and function of HRSV M2-1, drawing on additional information derived from its structural homologues from other related viruses.

Keywords: Anti-termination; Antivirals; Function; HRSV; M2–1; Structure; Transcription factor.

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