نتایج جستجو برای: envelope glycoprotein
تعداد نتایج: 126016 فیلتر نتایج به سال:
Like other herpesvirses (see Figure 1 of Introduction), Epstein-Bar virus (EBV) has a toroid-shaped protein core that is wrapped with DNA, a nucleocapsid with 162 capsomers, a protein tegument between the nucleocapsid and the envelope and an outer envelope with external glycoprotein spikes. The major EBV capsid proteins are 160, 47 and 28 kDa, similar in size to the major capsid proteins of her...
BMS-806 and the related compound, #155, are novel inhibitors of human immunodeficiency virus type 1 (HIV-1) entry that bind the gp120 exterior envelope glycoprotein. BMS-806 and #155 block conformational changes in the HIV-1 envelope glycoproteins that are induced by binding to the host cell receptor, CD4. We tested a panel of HIV-1 envelope glycoprotein mutants and identified several that were...
BACKGROUND A major challenge for antiviral treatment of hepatitis C virus (HCV) infection is viral resistance, potentially resulting from the high variability of HCV envelope glycoproteins and subsequent selection of strains with enhanced infectivity and/or immune escape. METHODS We used a bioinformatics and functional approach to investigate whether E1/E2 envelope glycoprotein structure and ...
A truncating E767stop mutation was introduced into the envelope glycoprotein of simian immunodeficiency virus (SIV) strain SIV239-M5 (moderately sensitive to antibody-mediated neutralization and lacking five sites for N-linked carbohydrate attachment) and strain SIV316 (very sensitive to neutralization, with eight amino acid changes from the neutralization-resistant parental molecular clone, SI...
A mutant Rauscher spleen focus-forming virus (mutant 4-3) that causes mild splenic erythroblastosis in mice has a 44-base-pair deletion in the 3' region of its envelope glycoprotein (env) gene. The encoded glycoprotein terminates prematurely, lacks a hydrophobic membrane anchor, and has a shortened intracellular lifespan. An active site for causing erythroblast proliferation may occur in the un...
The envelope glycoproteins of primate lentiviruses, including human and simian immunodeficiency viruses (HIV and SIV), are heterodimers of a transmembrane glycoprotein (usually gp41), and a surface glycoprotein (gp120), which binds CD4 on target cells to initiate viral entry. We have used electron tomography to determine the three-dimensional architectures of purified SIV virions in isolation a...
Great strides have been made in developing potent antiretroviral regimens that block human immunodeficiency virus (HIV) transcription and assembly. Despite these therapeutic advances, problems of drug resistance, latent viral reservoirs, and drug-induced toxic effects that compromise effective viral control point to the need for new classes of anti-HIV drugs with different modes of action. One ...
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