2017
DOI: 10.1073/pnas.1706600114
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Immature HIV-1 lattice assembly dynamics are regulated by scaffolding from nucleic acid and the plasma membrane

Abstract: The packaging and budding of Gag polyprotein and viral RNA is a critical step in the HIV-1 life cycle. High-resolution structures of the Gag polyprotein have revealed that the capsid (CA) and spacer peptide 1 (SP1) domains contain important interfaces for Gag self-assembly. However, the molecular details of the multimerization process, especially in the presence of RNA and the cell membrane, have remained unclear. In this work, we investigate the mechanisms that work in concert between the polyproteins, RNA, a… Show more

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Cited by 93 publications
(109 citation statements)
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References 104 publications
(178 reference statements)
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“…In this work we systematically investigate the role of M2 in budding at a coarse-grained (CG) resolution using a combination of computer simulations and experiments. The use of theory and simulation to study fundamental processes has gained widespread popularity in the biophysical sciences, with CG models successfully applied to the investigation of processes related to viral budding such as vesicle budding by antimicrobial peptides (12), viral proteins and capsids (13)(14)(15)(16), dynamin constriction (17), and nanoparticle endocytosis (18)(19)(20)(21). In our simulations, theoretical as well as experimental constraints are taken into account to ensure that the system studied presents a close correspondence with biological reality.…”
mentioning
confidence: 99%
“…In this work we systematically investigate the role of M2 in budding at a coarse-grained (CG) resolution using a combination of computer simulations and experiments. The use of theory and simulation to study fundamental processes has gained widespread popularity in the biophysical sciences, with CG models successfully applied to the investigation of processes related to viral budding such as vesicle budding by antimicrobial peptides (12), viral proteins and capsids (13)(14)(15)(16), dynamin constriction (17), and nanoparticle endocytosis (18)(19)(20)(21). In our simulations, theoretical as well as experimental constraints are taken into account to ensure that the system studied presents a close correspondence with biological reality.…”
mentioning
confidence: 99%
“…They have studied the basic principles of capsid assembly and the effect of varied conditions such as molecular crowding, concentration of capsid assembly and the conformational changes associated with it. In another study by Pak, a coarse-grained simulation of sub-nanometer resolution has been applied to study the interaction network of HIV-1 assembly and budding of Gag polyprotein [142]. They have suggested the putative role of the Gag protein, RNA and cell membranes in the initial stages of immature HIV-1 lattice assembly.…”
Section: Coarse-grained Models and Biomolecular Complexesmentioning
confidence: 99%
“…Recently, using coarse grained molecular simulation Pak et al (40) has estimated that the oligomerization via CA-CA…”
Section: R a F Tmentioning
confidence: 99%