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In the A/T site, the A-site half resides in the small ribosomal subunit where the mRNA decoding site is located. The mRNA decoding site is where the mRNA codon is read out during translation. The T-site half resides mainly on the large ribosomal subunit where EF-Tu or eEF-1 interacts with the ribosome.
Research into the stability of aa-tRNAs illustrates that the acyl (or ester) linkage is the most important conferring factor, as opposed to the sequence of the tRNA itself. This linkage is an ester bond that chemically binds the carboxyl group of an amino acid to the terminal 3'-OH group of its cognate tRNA. [ 7 ]
The synthetase first binds ATP and the corresponding amino acid (or its precursor) to form an aminoacyl-adenylate, releasing inorganic pyrophosphate (PPi).The adenylate-aaRS complex then binds the appropriate tRNA molecule's D arm, and the amino acid is transferred from the aa-AMP to either the 2'- or the 3'-OH of the last tRNA nucleotide (A76) at the 3'-end.
For example, if the amino acid that attach to the end is phenylalanine, the reaction will be catalyzed by phenylalanine-tRNA synthase to produce tRNA phe. [ 4 ] The other end—the bottom often called the "DNA arm"—consists of a three base sequence that pairs with a complementary base sequence in a mRNA .
Small RNA that is activated by SgrR in Escherichia coli during glucose-phosphate stress shRNA: short hairpin RNA - siRNA: small interfering RNA - SL RNA spliced leader RNA multiple families: SmY RNA: mRNA trans-splicing RF01844: Small nuclear RNAs found in some species of nematode worms, thought to be involved in mRNA trans-splicing snoRNA ...
A blotting method in molecular biology used to detect RNA in a sample. Compare Southern blotting, western blotting, and eastern blotting. nRNA See nuclear RNA. N-terminus. Also amine terminus and amino terminus. The end of a linear chain of amino acids (i.e. a peptide) that is terminated by the free amine group (–NH
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For example, research utilizing this method has revealed that genetic differences and their subsequent expression as mRNAs can also impact translation rate in an RNA-specific manner. [ 19 ] Expanding on this concept, a more recent development is single-cell ribosome profiling, a technique that allows us to study the translation process at the ...
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