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Correction for Segovia et al., SRSF1 interactome determined by proximity labeling reveals direct interaction with spliceosomal RNA helicase DDX23. [PDF]
Proc Natl Acad Sci U S Aeuropepmc +1 more source
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An RNA helicase swirls in lymphangiogenesis
Nature Cell Biology, 2021How lymphatic vessels arise from veins is still poorly understood. A study reports the discovery of a ribosome biogenesis regulator Ddx21 as a previously unappreciated specific factor that is important for the first steps of lymphatic but not blood vessel development. The finding may lead to better strategies to selectively target lymphangiogenesis.
Severin Mühleder, Rui Benedito
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The Protein Family of RNA Helicases
Critical Reviews in Biochemistry and Molecular Biology, 1998RNA helicases represent a large family of proteins that have been detected in almost all biological systems where RNA plays a central role. They are ubiquitously distributed over a wide range of organisms and are involved in nuclear and mitochondrial splicing processes, RNA editing, rRNA processing, translation initiation, nuclear mRNA export, and mRNA
Ulf Stahl, Udo Schmidt, Angelika Lüking
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Perturbations of RNA helicases in cancer
WIREs RNA, 2013AbstractHelicases are implicated in most stages of the gene expression pathway, ranging from DNA replication, RNA transcription, splicing, RNA transport, ribosome biogenesis, mRNA translation, RNA storage and decay. These enzymes utilize energy derived from nucleotide triphosphate hydrolysis to remodel ribonucleoprotein complexes, RNA, or DNA and in ...
Jerry Pelletier, Francis Robert
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RNA Helicases and Their Cofactors
2014RNA helicases are proteins that function by melting RNA secondary structures or remodeling ribonucleoprotein complexes. Canonical RNA helicase eIF4A plays an essential role in translation initiation by resolving secondary structures in the 5′ UTR of mRNAs and preparing the mRNA template for ribosome recruitment.
Yuri V. Svitkin +4 more
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Trends in Biochemical Sciences, 2001
In eukaryotic cells, all aspects of cellular RNA metabolism require putative RNA helicases of the DEAD and DExH protein families (collectively known as DExD/H families). Based on data from biochemical studies of a few of these RNA helicases, they are generally considered to be involved in the unwinding of duplex RNA molecules.
Josette Banroques +2 more
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In eukaryotic cells, all aspects of cellular RNA metabolism require putative RNA helicases of the DEAD and DExH protein families (collectively known as DExD/H families). Based on data from biochemical studies of a few of these RNA helicases, they are generally considered to be involved in the unwinding of duplex RNA molecules.
Josette Banroques +2 more
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RNA helicases: modulators of RNA structure
Trends in Cell Biology, 1994RNA molecules play an essential role in many cellular processes, often as components of ribonucleoprotein complexes. Like proteins, RNA molecules adopt sequence-specific secondary and tertiary structures that are essential for function; alteration of these structures therefore provides a means of regulating RNA function.
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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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RNA helicases: regulators of differentiation
Clinical Biochemistry, 2005RNA helicases are highly conserved enzymes that utilize the energy derived from NTP hydrolysis to modulate the structure of RNA. RNA helicases participate in all biological processes that involve RNA, including transcription, splicing and translation. Based on the sequence of the helicase domain, they are classified into families, such as DDX and DHX ...
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