Envelope glycoprotein GP120
Cellulose acetate phthalate, a common pharmaceutical excipient, inactivates HIV 1 and blocks the coreceptor binding site on the virus envelope glycoprotein gp120
... IIIB gp120/ gp41 and against the V3 loop of HIV-1 BaL (anti-V3 BaL) were prepared as described ...MN gp120, biotinylated gp120 and biotinylated sCD4 were from ImmunoDiagnostics ...
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Analysis of protein modeling for envelope glycoprotein GP120 for HIV via bioinformatics approaches
... of GP120 for HIV and then desired sequence Retrieves from NCBI and then for go for model prediction via online software GENO3D, were use to find out potential 3D structure of GP120 protein basis on their ...
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Influence of Disulfide-Stabilized Structure on the Specificity of Helper T-Cell and Antibody Responses to HIV Envelope Glycoprotein gp120
... response to this variant was reduced in comparison to the response to wild-type gp120 (Fig. 6). The frequencies of re- sponses to five peptides were significantly reduced in compar- ison to those in ...
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Drift of the HIV-1 Envelope Glycoprotein gp120 toward Increased Neutralization Resistance over the Course of the Epidemic: a Comprehensive Study Using the Most Potent and Broadly Neutralizing Monoclonal Antibodies
... D espite the ability of HIV-1 to evade the antibody response, some HIV-1-infected individuals develop high titers of broadly neutralizing antibodies (bNAbs) (1–11). Since 2009, thanks to the development of ...
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Two N-Linked Glycosylation Sites in the V2 and C2 Regions of Human Immunodeficiency Virus Type 1 CRF01_AE Envelope Glycoprotein gp120 Regulate Viral Neutralization Susceptibility to the Human Monoclonal Antibody Specific for the CD4 Binding Domain
... between gp120 and b12 ...of gp120 do not include V1 and V2 regions, which may be due to the difficulty of crystallizing gp120 in the presence of these variable ...the gp120 molecule (PDB ID ...
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Unique Phenotypic Characteristics of Recently Transmitted HIV-1 Subtype C Envelope Glycoprotein gp120: Use of CXCR6 Coreceptor by Transmitted Founder Viruses
... the gp120 sequence data were aligned using SeqScape software ...the envelope were defined on the basis of the corresponding sequences in the HXB2 envelope as nucleotides 391 to 471, 472 to 585, and ...
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The Protein Tyrosine Kinase p56lck Is Required for Triggering NF-κB Activation upon Interaction of Human Immunodeficiency Virus Type 1 Envelope Glycoprotein gp120 with Cell Surface CD4
... Beside its crucial role in immune function, the CD4 mole- cule has been identified as the primary high-affinity cellular receptor for human immunodeficiency virus type 1 (HIV-1) (19, 32). The initial step in the ...
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V3 Recombinants Indicate a Central Role for CCR5 as a Coreceptor in Tissue Infection by Human Immunodeficiency Virus Type 1
... (HIV-1) envelope glycoprotein gp120 to both CD4 and one of several chemokine receptors (coreceptors) permits entry of virus into target ...HIV-1 envelope V3 sequences encoding the primary ...
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Hypothesis of snake and insect venoms against Human Immunodeficiency Virus: a review
... of envelope glycoprotein - gp120 ...HIV-1 gp120 and the highly conserved 30- 40 amino acid residues of snake venom neurotoxins long loop ...
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Characterization of human immunodeficiency virus type 1 gp120 binding to liposomes containing galactosylceramide.
... Assignment of intrachain disulfide bonds and characterization of potential glycosylation sites of the type I recombinant human immunodeficiency virus envelope glycoprotein gp120 expresse[r] ...
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Synergistic inhibition of human immunodeficiency virus type 1 envelope glycoprotein-mediated cell fusion and infection by an antibody to CD4 domain 2 in combination with anti-gp120 antibodies.
... (HIV-1) envelope glycoprotein (gp120-gp41) can synergize in inhibiting HIV-1 ...with gp120 binding to CD4, presumably by affecting a postbinding membrane fusion ...the gp120 V3 loop ...
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Evidence for Common Structural Determinants of Human Immunodeficiency Virus Type 1 Coreceptor Activity Provided through Functional Analysis of CCR5/CXCR4 Chimeric Coreceptors
... viral envelope glycoprotein gp120 with CC chemokine receptor 5 (CCR5) or CXC chemokine receptor 4 ...the gp120-coreceptor association, we generated a set of chimeric HIV-1 coreceptors which ...
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An Aptamer That Neutralizes R5 Strains of Human Immunodeficiency Virus Type 1 Blocks gp120-CCR5 Interaction
... surface envelope glycoprotein, gp120, with the primary receptor, CD4, and the coreceptor, CCR5 (1, 5, 7, 9, 15, 29), and is an attractive target for antiviral interven- ...However, gp120 is a ...
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Single-Molecule Analysis of Human Immunodeficiency Virus Type 1 gp120-Receptor Interactions in Living Cells
... 1 envelope glycoproteins and their host cell surface receptors remains ...subunit gp120 and a single receptor CD4 and/or chemokine coreceptor CCR5 in living ...for gp120 binding to CCR5, the force ...
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Analysis of the interaction of the human immunodeficiency virus type 1 gp120 envelope glycoprotein with the gp41 transmembrane glycoprotein.
... an envelope glycopro- tein that is unable to be processed proteolytically at the gp120/gp41 ...the envelope gene ...of envelope glycoproteins were performed as described ...
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Neutralization Efficiency Is Greatly Enhanced by Bivalent Binding of an Antibody to Epitopes in the V4 Region and the Membrane-Proximal External Region within One Trimer of Human Immunodeficiency Virus Type 1 Glycoproteins
... HIV-1 gp120 contains five variable ...the gp120 V4 region of various HIV-1 strains without significantly affecting the structural and functional integrity of the carrier Env pro- tein (37, ...the ...
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Lineage-Specific Differences between Human and Simian Immunodeficiency Virus Regulation of gp120 Trimer Association and CD4 Binding
... the gp120 inner domain and Phe 43 cavity? Based on our current understanding of PIV evolution (66) and the patterns observed in ...SIVgsn/SIVmus/SIVmon gp120 glycoproteins evolved longer disulfide loops in ...
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HIV-1 Envelope Glycoproteins from Diverse Clades Differentiate Antibody Responses and Durability among Vaccinees
... of envelope and V1V2 antigens and cross-validation. (A) Heat map of gp120 and gp140 ...of gp120 and gp140 ...Env gp120 and gp140 (D), and linear V2 (E) for determination of panel size for each ...
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Highly Stable Trimers Formed by Human Immunodeficiency Virus Type 1 Envelope Glycoproteins Fused with the Trimeric Motif of T4 Bacteriophage Fibritin
... ⌬528 glycoprotein was analyzed on an SDS–15% polyacrylamide gel, whereas the gp140⌬683(⫺/FT) and gp140⌬683(⫺/GCN4) glycoproteins were resolved on SDS–5% polyacrylamide ...
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Oligomeric and Conformational Properties of a Proteolytically Mature, Disulfide-Stabilized Human Immunodeficiency Virus Type 1 gp140 Envelope Glycoprotein
... cleaved, envelope glyco- protein complexes? The immunoelectron microscopy data of the 2G12/SOS gp140 complex suggest that appropriately di- rected antibodies could strengthen weak oligomeric interac- ...into ...
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