Cholesterol modulates membrane properties and the interaction of gp41 fusion peptide to promote membrane fusion

G Meher, S Sinha, GP Pattnaik… - The Journal of …, 2019 - ACS Publications
An envelope glycoprotein, gp41, is crucial for the entry of human immunodeficiency virus
(HIV) into the host cell. The 20–23 N-terminal amino acid sequence of gp41 plays an …

Unsaturated lipid accelerates formation of oligomeric β-sheet structure of GP41 fusion peptide in model cell membrane

W Wang, J Tan, S Ye - The Journal of Physical Chemistry B, 2020 - ACS Publications
Membrane fusion of the viral and host cell membranes is the initial step of virus infection and
is catalyzed by fusion peptides. Although the β-sheet structure of fusion peptides has been …

Molecular dynamics simulation of HIV-1 fusion domain-membrane complexes: Insight into the N-terminal gp41 fusion mechanism

S Promsri, GM Ullmann, S Hannongbua - Biophysical Chemistry, 2012 - Elsevier
To understand how viral proteins fuse with the cell membrane, a process that is important for
the initial stages of infection, the conformation of the membrane-bound viral fusion peptides …

Combination of Oleic Acid and the gp41 Fusion Peptide Switches the Phosphatidylethanolamine-Induced Membrane Fusion Mechanism from a Nonclassical to a …

A Joardar, GP Pattnaik… - The Journal of Physical …, 2022 - ACS Publications
Membrane fusion is considered to be one of the crucial processes for the existence of
eukaryotes and the entry of enveloped viruses into host cells. The fusion mechanism …

Effect of cholesterol on the interaction of the HIV GP41 fusion peptide with model membranes. Importance of the membrane dipole potential

V Buzón, J Cladera - Biochemistry, 2006 - ACS Publications
Fusion of viral and cell membranes is a key event in the process by which the human
immunodeficiency virus (HIV) enters the target cell. Membrane fusion is facilitated by the …

Destabilization of lipid membranes by a peptide derived from glycoprotein gp36 of feline immunodeficiency virus: a combined molecular dynamics/experimental study

A Merlino, G Vitiello, M Grimaldi, F Sica… - The Journal of …, 2012 - ACS Publications
Viral fusion glycoproteins present a membrane-proximal external region (MPER) which is
usually rich in aromatic residues and exhibits a marked tendency to stably reside at the …

Cholesterol interaction with the trimeric HIV fusion protein gp41 in lipid bilayers investigated by solid-state NMR spectroscopy and molecular dynamics simulations

B Kwon, T Mandal, MR Elkins, Y Oh, Q Cui… - Journal of molecular …, 2020 - Elsevier
HIV-1 entry into cells is mediated by the fusion protein gp41. Cholesterol plays an important
role in this virus–cell fusion, but molecular structural information about cholesterol–gp41 …

Functional and structural characterization of HIV-1 gp41 ectodomain regions in phospholipid membranes suggests that the fusion-active conformation is extended

O Korazim, K Sackett, Y Shai - Journal of molecular biology, 2006 - Elsevier
HIV-1 entry into its host cell involves a sequential interaction whereby gp41 is in direct
contact with the plasma membrane. Understanding the effect of membrane composition on …

A small-angle neutron scattering study of the physical mechanism that drives the action of a viral fusion peptide

WT Heller - Chemistry and Physics of Lipids, 2021 - Elsevier
Viruses have evolved a variety of ways for delivering their genetic cargo to a target cell. One
mechanism relies on a short sequence from a protein of the virus that is referred to as a …

[HTML][HTML] Membrane curvature and surface area per lipid affect the conformation and oligomeric state of HIV-1 fusion peptide: a combined FTIR and MD simulation …

B Barz, TC Wong, I Kosztin - Biochimica et Biophysica Acta (BBA) …, 2008 - Elsevier
Fourier-transformed infrared spectroscopy (FTIR) and molecular dynamics (MD) simulation
results are presented to support our hypothesis that the conformation and the oligomeric …