Results 281 to 290 of about 2,163,835 (311)

Coronavirus nucleocapsid protein is an RNA chaperone [PDF]

Virology, 2007
RNA chaperones are nonspecific nucleic acid binding proteins with long disordered regions that help RNA molecules to adopt its functional conformation. Coronavirus nucleoproteins (N) are nonspecific RNA-binding proteins with long disordered regions. Therefore, we investigated whether transmissible gastroenteritis coronavirus (TGEV) N protein was an RNA
Luis Enjuanes, Isabel Sola, Sonia Zuniga   +2 more
exaly   +4 more sources

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Ribosomal RNA Methyltransferase RsmC Moonlights as an RNA Chaperone

ChemBioChem, 2020
Ribosomes are ribonucleoprotein particles that are essential for protein biosynthesis in all forms of life. During ribosome biogenesis, transcription, folding, modification, and processing of rRNA are coupled to the assembly of proteins. Various assembly
Keshav Gc, Prabesh Gyawali, H. Balci, Sanjaya C. Abeysirigunawardena   +3 more
semanticscholar   +3 more sources

FinO is an RNA chaperone that facilitates sense-antisense RNA interactions [PDF]

EMBO Journal, 2003
The protein FinO represses F-plasmid conjugative transfer by facilitating interactions between the mRNA of the major F-plasmid transcriptional activator, TraJ, and an antisense RNA, FinP. FinO is known to bind stem-loop structures in both FinP and traJ RNAs; however, the mechanism by which FinO facilitates sense-antisense pairing is poorly understood ...
Laura Frost, Mark Glover
exaly   +3 more sources

RNA Chaperone Activity of Human La Protein Is Mediated by Variant RNA Recognition Motif

Journal of Biological Chemistry, 2012
La proteins are conserved factors in eukaryotes that bind and protect the 3' trailers of pre-tRNAs from exonuclease digestion via sequence-specific recognition of UUU-3'OH.
Maria Conte, Mark Bayfield
exaly   +2 more sources

RNA modification enzyme TruB is a tRNA chaperone [PDF]

Proceedings of the National Academy of Sciences of the United States of America, 2016
Significance RNAs are intimately involved in numerous cellular functions such as gene expression. Typically, RNAs adopt a 3D fold, and their sequences may be chemically altered to contain modified nucleotides such as pseudouridines. There are many RNA modification enzymes, but often their cellular functions remain unknown.
Ute Kothe, Govardhan Reddy Veerareddygari   +1 more
exaly   +3 more sources

Plant RNA chaperones in stress response

Trends in Plant Science, 2013
Post-transcriptional regulation of RNA metabolism is a key regulatory process in diverse cellular processes, including the stress response of plants, during which a variety of RNA-binding proteins (RBPs) function as central regulators in cells. RNA chaperones are RBPs found in all living organisms and function by providing assistance to the correct ...
Hunseung, Kang, Su Jung, Park, Kyung Jin, Kwak   +2 more
openaire   +2 more sources

RNA binding property and RNA chaperone activity of dengue virus core protein and other viral RNA-interacting proteins [PDF]

FEBS Letters, 2011
In this study we showed that the dengue virus (DENV) core protein forms a dimer with an α-helix-rich structure, binds RNA and facilitates the strand annealing process.
Wen-Li Pong, Pong, Wen-Li, Zhi-Shun Huang, Huey-Nan Wu, Chung-Chun Wang, Wu, Huey-Nan, Wang, Chung-Chun, Teoh, Pak-Guan, Pak-Guan Teoh, Huang, Zhi-Shun   +9 more
exaly   +2 more sources

The FinO family of bacterial RNA chaperones

Plasmid, 2015
Antisense RNAs have long been known to regulate diverse aspects of plasmid biology. Here we review the FinOP system that modulates F plasmid gene expression through regulation of the F plasmid transcription factor, TraJ. FinOP is a two component system composed of an antisense RNA, FinP, which represses TraJ translation, and a protein, FinO, which is ...
J N, Mark Glover, Steven G, Chaulk, Ross A, Edwards, David, Arthur, Jun, Lu, Laura S, Frost   +5 more
openaire   +2 more sources

Functional effects of variants of the RNA chaperone Hfq

Biochemical and Biophysical Research Communications, 2004
The ring-shaped RNA chaperone Hfq has recently received much attention owing to its multiple roles in RNA metabolism. In this study we have performed a mutational analysis of the Escherichia coli hfq gene, and have studied the effects of amino acid substitutions at several positions in the Hfq protein as well as of C-terminal truncations on its role in
Branislav Večerek, Isabella Moll, Elisabeth Sonnleitner   +2 more
exaly   +3 more sources

Assays for the RNA chaperone activity of proteins

Biochemical Society Transactions, 2005
Proteins with RNA chaperone activity promote RNA folding by loosening the structure of misfolded RNAs or by preventing their formation. How these proteins achieve this activity is still unknown, the mechanism is not understood and it is unclear whether this activity is always based on the same mechanism or whether different RNA chaperones use different
Rajkowitsch, Lukas, Semrad, Katharina, Mayer, Oliver, Schroeder, Renée   +3 more
openaire   +3 more sources