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Biochemical Characterization of Middle East Respiratory Syndrome Coronavirus Helicase

open access: yesmSphere, 2016
Middle East respiratory syndrome coronavirus (MERS-CoV) helicase is a superfamily 1 helicase containing seven conserved motifs. We have cloned, expressed, and purified a Strep-fused recombinant MERS-CoV nonstructural protein 13 (M-nsp13) helicase ...
Adeyemi O. Adedeji, Hilary Lazarus
doaj   +2 more sources

Structural elucidation of Langat virus helicase unveils dual-target inhibition for broad-spectrum anti-flaviviruses strategy [PDF]

open access: yesFrontiers in Cellular and Infection Microbiology
IntroductionFlaviviruses, such as dengue, Zika, and Langat virus (LGTV), pose significant global health threats, highlighting the urgent need for broad-spectrum antiviral therapies.
Ruixue Li   +4 more
doaj   +2 more sources

Structural basis of Zika virus helicase in recognizing its substrates

open access: yesProtein & Cell, 2016
The recent explosive outbreak of Zika virus (ZIKV) infection has been reported in South and Central America and the Caribbean. Neonatal microcephaly associated with ZIKV infection has already caused a public health emergency of international concern.
Hongliang Tian   +14 more
doaj   +2 more sources

The Impact of Next Generation Sequencing in Diagnosis and Management of Rare Diseases: Bloom Syndrome [PDF]

open access: yesModern Medicine, 2022
Bloom syndrome is an exceptionally rare autosomal recessive disorder characterized by a considerable genomic instability due to the defective DNA damage repair machine.
Ina-Ofelia FOCSA   +6 more
doaj   +1 more source

RAD51 bypasses the CMG helicase to promote replication fork reversal

open access: yesScience, 2023
Replication fork reversal safeguards genome integrity as a replication stress response. DNA translocases and the RAD51 recombinase catalyze reversal. However, it remains unknown why RAD51 is required and what happens to the replication machinery during ...
Wenpeng Liu   +6 more
semanticscholar   +1 more source

Structure, mechanism and crystallographic fragment screening of the SARS-CoV-2 NSP13 helicase

open access: yesNature Communications, 2021
There is currently a lack of effective drugs to treat people infected with SARS-CoV-2, the cause of the global COVID-19 pandemic. The SARS-CoV-2 Non-structural protein 13 (NSP13) has been identified as a target for anti-virals due to its high sequence ...
J. Newman   +12 more
semanticscholar   +1 more source

Helicase Assays [PDF]

open access: yesBIO-PROTOCOL, 2014
Helicases are a class of enzymes which are motor proteins using energy derived from ATP hydrolysis to move directionally along a nucliec acid phosphodiester backbone (such as DNA, RNA and DNA-RNA hybrids) and separate two annealed nucleic acid strands. Many cellular processes, such as transcription, DNA replication, recombination and DNA repair involve
Xin Wang   +3 more
openaire   +3 more sources

Analysis of the PcrA-RNA polymerase complex reveals a helicase interaction motif and a role for PcrA/UvrD helicase in the suppression of R-loops

open access: yeseLife, 2021
The PcrA/UvrD helicase binds directly to RNA polymerase (RNAP) but the structural basis for this interaction and its functional significance have remained unclear.
Inigo Urrutia-Irazabal   +4 more
doaj   +1 more source

UPF1—From mRNA Degradation to Human Disorders

open access: yesCells, 2023
Up-frameshift protein 1 (UPF1) plays the role of a vital controller for transcripts, ready to react in the event of an incorrect translation mechanism.
Jacek Staszewski   +4 more
doaj   +1 more source

Z-RNA and the Flipside of the SARS Nsp13 Helicase: Is There a Role for Flipons in Coronavirus-Induced Pathology?

open access: yesFrontiers in Immunology, 2022
We present evidence suggesting that the severe acute respiratory syndrome (SARS) coronavirus non-structural protein 13 (Nsp13) modulates the Z-RNA dependent regulated cell death pathways .
Alan Herbert   +2 more
doaj   +1 more source

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