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Multimodal Functionalities of HIV-1 Integrase
Viruses, 2022 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 cores, human immunodeficiency virus 1 (HIV-1) integrase has long ...
Alan Engelman +2 more
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Temporal Evolution of Drug Resistance to HIV Integrase Inhibitors [PDF]
VirusesHIV-1 integrase (IN) strand transfer inhibitors (INSTIs) are central to modern antiretroviral therapy (ART) because of their high potency and durable effect on viral suppression. However, drug resistance mutations (DRMs) within HIV-1 IN emerge, which can
Indrani Choudhuri +5 more
doaj +2 more sources
Structural Studies of the HIV-1 Integrase Protein: Compound Screening and Characterization of a DNA-Binding Inhibitor. [PDF]
PLoS ONE, 2015 Understanding the HIV integrase protein and mechanisms of resistance to HIV integrase inhibitors is complicated by the lack of a full length HIV integrase crystal structure. Moreover, a lentiviral integrase structure with co-crystallised DNA has not been
Peter K Quashie +4 more
doaj +1 more source
Microorganisms, 2022 Shewanella spp. are Gram-negative bacteria that thrive in aquatic niches and also can cause infectious diseases as opportunistic pathogens. Chromosomal (CI) and mobile integrons (MI) were previously described in some Shewanella isolates.
Teolincacihuatl Ayala Nuñez +4 more
doaj +1 more source
Prototype Foamy Virus Integrase Displays Unique Biochemical Activities among Retroviral Integrases
Biomolecules, 2021 Integrases of different retroviruses assemble as functional complexes with varying multimers of the protein. Retroviral integrases require a divalent metal cation to perform one-step transesterification catalysis.
Anthony J. Rabe +3 more
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Going beyond Integration: The Emerging Role of HIV-1 Integrase in Virion Morphogenesis
Viruses, 2020 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 studied, and the knowledge gained has informed the design of small ...
Jennifer L. Elliott, Sebla B. Kutluay
doaj +1 more source
PP2A Phosphatase as an Emerging Viral Host Factor
Frontiers in Cellular and Infection Microbiology, 2021 Protein phosphatase 2A (PP2A) is one of the most ubiquitous cellular proteins and is responsible for the vast majority of Ser/Thr phosphatase activity in eukaryotes. PP2A is a heterotrimer, and its assembly, intracellular localization, enzymatic activity,
Michal Slawomir Barski +2 more
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HIV-1 integrase polymorphisms are associated with prior antiretroviral drug exposure
Retrovirology, 2009 In a recent summary of integrase sequences, primary integrase inhibitor mutations were rare. In a review of integrase inhibitor-naïve Australian HIV-1 sequences, primary mutations were not identified, although the accessory mutation G140S was detected. A
Wang Bin +5 more
doaj +1 more source
The Drug-Induced Interface That Drives HIV-1 Integrase Hypermultimerization and Loss of Function
mBio, 2023 Allosteric HIV-1 integrase (IN) inhibitors (ALLINIs) are an emerging class of small molecules that disrupt viral maturation by inducing the aberrant multimerization of IN. Here, we present cocrystal structures of HIV-1 IN with two potent ALLINIs, namely,
Matthew R. Singer +14 more
doaj +1 more source
Integrase deficient lentiviral vector: prospects for safe clinical applications [PDF]
PeerJ, 2022 HIV-1 derived lentiviral vector is an efficient transporter for delivering desired genetic materials into the targeted cells among many viral vectors. Genetic material transduced by lentiviral vector is integrated into the cell genome to introduce new ...
Chee-Hong Takahiro Yew +6 more
doaj +2 more sources