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In vivo nucleotide excision repair by mycobacterial UvrD1 requires ATP hydrolysis but does not depend on cysteine disulfide-mediated dimerization and DNA unwinding. [PDF]
Nucleic Acids ResWarren GM, Shuman S.
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Helicase associated 2 domain is essential for helicase activity of RNA helicase A
Biochimica et Biophysica Acta (BBA) - Proteins and Proteomics, 2014RNA helicase A (RHA), a DExD/H box protein, plays critical roles in a wide variety of cellular or viral functions. RHA contains a conserved core helicase domain that is flanked by five other domains. Two double-stranded RNA binding domains (dsRBD1 and dsRBD2) are at the N-terminus, whereas HA2 (helicase associated 2), OB-fold (oligonucleotide- or ...
Li Xing +6 more
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Cellular and Molecular Life Sciences (CMLS), 2000
Studying monogenic hereditary disorders that manifest age-related phenotypes in cells, tissues, and the total organism would be helpful for clarifying the mechanisms of aging. In this context, seven human disorders that manifest age-related phenotypes have been found to be caused by aberrations of five proteins with seven helicase motifs conserved in ...
Lin Ye +4 more
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Studying monogenic hereditary disorders that manifest age-related phenotypes in cells, tissues, and the total organism would be helpful for clarifying the mechanisms of aging. In this context, seven human disorders that manifest age-related phenotypes have been found to be caused by aberrations of five proteins with seven helicase motifs conserved in ...
Lin Ye +4 more
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Journal of Structural Biology, 1998
Helicases are proteins that use the energy of ATP hydrolysis to open double-stranded DNA, RNA, or RNA-DNA hybrids into two single strands. Based upon sequence analysis, at least 12 helicases exist in Escherichia coli. We know that these proteins play important roles in DNA replication, recombination, repair, and transcription, as well as in RNA ...
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Helicases are proteins that use the energy of ATP hydrolysis to open double-stranded DNA, RNA, or RNA-DNA hybrids into two single strands. Based upon sequence analysis, at least 12 helicases exist in Escherichia coli. We know that these proteins play important roles in DNA replication, recombination, repair, and transcription, as well as in RNA ...
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The Pif1p subfamily of helicases: region-specific DNA helicases?
Trends in Cell Biology, 2001DNA helicases are required for DNA replication, recombination and repair. Despite a common enzymatic function - the ability to unwind duplex DNA - most helicases share only limited amino acid sequence similarity. Helicases that have significant sequence similarity define a subfamily.
Jorge Z. Torre +2 more
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2009
Helicases are essential enzymes involved in all aspects of nucleic acid metabolism including DNA replication, repair, recombination, transcription, ribosome biogenesis and RNA processing, translation, and decay. They occur in vivo as part of molecular complexes that include the components required for each specific step of nucleic acid metabolism.
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Helicases are essential enzymes involved in all aspects of nucleic acid metabolism including DNA replication, repair, recombination, transcription, ribosome biogenesis and RNA processing, translation, and decay. They occur in vivo as part of molecular complexes that include the components required for each specific step of nucleic acid metabolism.
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Helicase: mystery of progression [PDF]
Molecular Biology Reports, 2006 Helicases mode of unwinding the nucleic acids and translocation along single stranded nucleic acids is still a subject of great curiosity. Based on the energy transduction and electrophilic interactions, we present a model to explain the mode of action of active helicases.
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