Multimodal functionalities of HIV-1 integrase

AN Engelman, M Kvaratskhelia - Viruses, 2022 - mdpi.com
Integrase is the retroviral protein responsible for integrating reverse transcripts into cellular
genomes. Co-packaged with viral RNA and reverse transcriptase into capsid-encased viral …

Integrase-RNA interactions underscore the critical role of integrase in HIV-1 virion morphogenesis

JL Elliott, JE Eschbach, PC Koneru, W Li… - Elife, 2020 - elifesciences.org
A large number of human immunodeficiency virus 1 (HIV-1) integrase (IN) alterations,
referred to as class II substitutions, exhibit pleiotropic effects during virus replication …

Human immunodeficiency virus type 1 integrase mutants retain in vitro integrase activity yet fail to integrate viral DNA efficiently during infection

AD Leavitt, G Robles, N Alesandro… - Journal of virology, 1996 - Am Soc Microbiol
The viral integrase (IN) protein is the only viral protein known to be required for integration of
the human immunodeficiency virus type 1 (HIV-1) genome into the host cell DNA, a step in …

[HTML][HTML] Characterization of HIV-1 integrase N-terminal mutant viruses

AG Lloyd, YS Ng, MA Muesing, V Simon, LCF Mulder - Virology, 2007 - Elsevier
During infection, human immunodeficiency virus type 1 integrase engages a number of
molecules and mechanisms, both of viral and cellular origin. In one of such instances …

Oligomerization within virions and subcellular localization of human immunodeficiency virus type 1 integrase

C Petit, O Schwartz, F Mammano - Journal of virology, 1999 - Am Soc Microbiol
Previous biochemical and genetic evidence indicated that the functional form of retroviral
integrase protein (IN) is a multimer. A direct demonstration of IN oligomerization during the …

[HTML][HTML] HIV-1 integrase binds the viral RNA genome and is essential during virion morphogenesis

JJ Kessl, SB Kutluay, D Townsend, S Rebensburg… - Cell, 2016 - cell.com
While an essential role of HIV-1 integrase (IN) for integration of viral cDNA into human
chromosome is established, studies with IN mutants and allosteric IN inhibitors (ALLINIs) …

Going beyond integration: The emerging role of HIV-1 integrase in virion morphogenesis

JL Elliott, SB Kutluay - Viruses, 2020 - mdpi.com
The HIV-1 integrase enzyme (IN) plays a critical role in the viral life cycle by integrating the
reverse-transcribed viral DNA into the host chromosome. This function of IN has been well …

Allosteric HIV-1 integrase inhibitors lead to premature degradation of the viral RNA genome and integrase in target cells

MK Madison, DQ Lawson, J Elliott, AN Ozantürk… - Journal of …, 2017 - Am Soc Microbiol
Recent evidence indicates that inhibition of HIV-1 integrase (IN) binding to the viral RNA
genome by allosteric integrase inhibitors (ALLINIs) or through mutations within IN yields …

Requirement for integrase during reverse transcription of human immunodeficiency virus type 1 and the effect of cysteine mutations of integrase on its interactions with …

K Zhu, C Dobard, SA Chow - Journal of virology, 2004 - Am Soc Microbiol
Retroviral integrase catalyzes the essential step of integrating a double-stranded DNA copy
of the viral genome into a host cell chromosome. Mutational studies have revealed that …

Emergence of compensatory mutations reveals the importance of electrostatic interactions between HIV-1 integrase and genomic RNA

C Shema Mugisha, T Dinh, A Kumar, K Tenneti… - MBio, 2022 - Am Soc Microbiol
ABSTRACT HIV-1 integrase (IN) has a noncatalytic function in virion maturation through its
binding to the viral RNA genome (gRNA). Class II IN substitutions inhibit IN-gRNA binding …