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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Galdiero, Stefania Pedone, Carlo Isernia, Carla Vitiello, Mariateresa Galdiero, Massimiliano Raiola, Luca Falanga, Annarita Browne, Helena Fattorusso, Roberto |
| Description | Author Affiliation: Galdiero S ( Department of Biological Sciences, Division of Biostructures, University of Naples Federico II, Via Mezzocannone 16, 80134, Napoli, Italy.) |
| Abstract | Glycoprotein H (gH) of herpes simplex virus type I (HSV-1) is involved in the complex mechanism of membrane fusion of the viral envelope with the host cell. Membrane interacting regions and potential fusion peptides have been identified in HSV-1 gH as well as glycoprotein B (gB). Because of the complex fusion mechanism of HSV-1, which requires four viral glycoproteins, and because there are only structural data for gB and glycoprotein D, many questions regarding the mechanism by which HSV-1 fuses its envelope with the host cell membrane remain unresolved. Previous studies have shown that peptides derived from certain regions of gH have the potential to interact with membranes, and based on these findings we have generated a set of peptides containing mutations in one of these domains, gH-(626-644), to investigate further the functional role of this region. Using a combination of biochemical, spectroscopic, and nuclear magnetic resonance techniques, we showed that the alpha-helical nature of this stretch of amino acids in gH is important for membrane interaction and that the aromatic residues, tryptophan and tyrosine, are critical for induction of fusion. |
| ISSN | 00219258 |
| e-ISSN | 1083351X |
| Journal | Journal of Biological Chemistry |
| Issue Number | 44 |
| Volume Number | 283 |
| Language | English |
| Publisher | American Society for Biochemistry and Molecular Biology (United States) |
| Publisher Date | 2008-10-31 |
| Publisher Place | United States |
| Access Restriction | Open |
| Subject Keyword | Gene Expression Regulation, Viral Mutation Viral Envelope Proteins Metabolism Acrylamide Chemistry Amino Acid Sequence Amino Acids Circular Dichroism Kinetics Magnetic Resonance Spectroscopy Models, Biological Molecular Sequence Data Peptide Hydrolases Protein Structure, Secondary Tryptophan Biochemistry Molecular Biology |
| Content Type | Text |
| Resource Type | Article |
| Subject | Cell Biology Biochemistry Molecular Biology |
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