The identification and characterization of fusogenic domains in herpes virus glycoprotein B molecules(742 views) Galdiero S, Vitiello M, D'Isanto M, Falanga A, Cantisani M, Browne H, Pedone C, Galdiero M
Chembiochem (ISSN: 1439-7633, 1439-4227, 1439-7633electronic), 2008 Mar 25; 9(5): 758-767.
Keywords: Circular Dichroism, Hydrophobicity, Liposomes, Synthetic Peptides, Virus Entry, Glycoprotein B, Type 1 Herpes Simplex Virus, Peptide Fragment, Virus Envelope Protein, Virus Fusion Protein, Amino Acid Sequence, Animal, Article, Cattle, Cell Line, Cercopithecus, Chemical Structure, Chemistry, Drug Effect, Infectious Bovine Rhinotracheitis Virus, Membrane Fusion, Molecular Genetics, Protein Conformation, Protein Tertiary Structure, Sequence Alignment, Synthesis, Vero Cell, Bovine Herpes Virus, Controlled Study, Herpes Virus Infection, Human, Human Cell, Priority Journal, Protein Analysis, Protein Degradation, Protein Function, Protein Processing, Virus Infectivity, Virus Inhibition, Cercopithecus Aethiops, Herpesvirus 1, Models, Molecular Sequence Data, Protein Structure, Viral Envelope Proteins, Viral Fusion Proteins, Herpesviridae, Human Herpesvirus 1, Simplexvirus,
Affiliations: *** IBB - CNR ***
Department of Biological Sciences, Division of Biostructures, University of Naples Federico II, Via Mezzocannone 16, 80134 Napoli, Italy.
Centro Interuniversitario di Ricerca sui Peptidi Bioattivi, University of Naples Federico II, Via Mezzocannone 16, 80134 Napoli, Italy
Istituto di Biostrutture e Bioimmagini, CNR, Via Mezzocannone 16, 80134 Napoli, Italy
Department of Experimental Medicine II, University of Naples, Via De Crecchio 7, 80138 Napoli, Italy
Division of Virology, Department of Pathology, University of Cambridge, Tennis Court Road, Cambridge CB2 1QP, United Kingdom
References: Not available.
The identification and characterization of fusogenic domains in herpes virus glycoprotein B molecules
The molecular mechanism of entry of herpes viruses requires a multicomponent fusion system. Virus entry and cell-cell fusion of Herpes simplex virus (HSV) requires four glycoproteins: gD, gB and gH/gL. The role of gB remained elusive until recently, when the crystal structure of HSV-1 gB became available. Glycoprotein B homologues represent the most highly conserved group of herpes virus glycoproteins; however, despite the high degree of sequence and structural conservation, differences in post-translational processing are observed for different members of this virus family. Whereas gB of HSV is not proteolytically processed after oligomerization, most other gB homologues are cleaved by a cellular protease into subunits that remain linked through disulfide bonds. Proteolytic cleavage is common for activation of many other viral fusion proteins, so it remains difficult to envisage a common role for different herpes virus gB structures in the fusion mechanism. We selected bovine herpes virus type 1 (BoHV-1) and herpes simplex virus type 1 (HSV-1) as representative viruses expressing cleaved and uncleaved gBs, and have screened their amino acid sequences for regions of highly interfacial hydrophobicity. Synthetic peptides corresponding to such regions were tested for their ability to induce the fusion of large unilamellar vesicles and to inhibit herpes virus infection. These results underline that several regions of the gB protein are involved in the mechanism of membrane interaction.
The identification and characterization of fusogenic domains in herpes virus glycoprotein B molecules
Vitiello M, Finamore E, Falanga A, Raieta K, Cantisani M, Galdiero F, Pedone C, Galdiero M, Galdiero S * Fusion in Coq(577 views) Lecture Notes In Computer Science (ISSN: 0302-9743, 0302-974335404636319783540463634, 0302-974335402975459783540297543), 2001; 2178LNCS: 583-596. Impact Factor:0.415 ViewExport to BibTeXExport to EndNote