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29 lip 2023 · The base pairing via hydrogen bonds is the basis of RNA's secondary structure. The RNA tertiary structure is the result of RNA folding, which creates a three-dimensional shape consisting of helices and grooves.
21 kwi 2024 · RNA Structure. RNA is typically single stranded and is made of ribonucleotides that are linked by phosphodiester bonds. A ribonucleotide in the RNA chain contains ribose (the pentose sugar), one of the four nitrogenous bases (A, U, G, and C), and a phosphate group.
5 lut 2014 · In our structure-based 2° structures, we followed the nest/non-nest definition of secondary and tertiary helices. Our approach extends and clarifies the definition of rRNA 2° structure to explicitly include all pairing interactions that confer thermodynamic stability to the folded RNA.
The tertiary structure of tRNA is composed of two helices. One is formed by the acceptor stem that is stacked on top of the TψC stem and the second is of the anticodon stem stacked on top of the D-stem.
9 sty 2024 · RNA secondary structure plays essential roles in encoding RNA regulatory fate and function. Most RNAs populate ensembles of alternatively paired states and are continually unfolded and refolded by cellular processes.
17 mar 2021 · Primary structure: the sequence in which the bases (U, A, C, G) are aligned. Secondary structure: the 2-D analysis of the [hydrogen] bonds between different parts of RNA. In other words, where RNA becomes double-stranded, where RNA forms a hairpin or a loop or other similar forms.
10 cze 2019 · RNAs such as microRNAs readily fold into stem-loop secondary structures, which can be recognized by proteins 6, 7, and other RNAs such as ribozymes and riboswitches can also fold into complex...
