Examples of using Trna in English and their translations into Serbian
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I-IF IT DISRUPTS THE tRNA SYNTHETASE.
TRNA and rRNA are two of these possible forms.
The enzyme specifically modifies uracil20a and uracil20b in tRNA.
TRNA is used for the addition of amino acids, during the process of creating proteins.
The 37 genes of mitochondrial DNA encode for: proteins, tRNA and rRNA.
The A site is the point of entry for the aminoacyl tRNA(except for the first aminoacyl tRNA, which enters at the P site).
TRNAHis guanylyltransferase(EC 2.7.7.79, histidine tRNA guanylyltransferase, Thg1p, Thg1) is an enzyme with systematic name p-tRNAHis: GTP guanylyltransferase(ATP-hydrolysing).
The A site has the newly formed peptide,while the P site has an uncharged tRNA(tRNA with no amino acids).
There are two classes of aminoacyl tRNA synthetase, each composed of ten enzymes: Class I has two highly conserved sequence motifs.
It aminoacylates at the 3'-OH of a terminal adenosine on tRNA, and is usually dimeric or tetrameric(two or four subunits, respectively).
Queuine is not found in the tRNA of archaea; however, a related 7-deazaguanine derivative,the nucleoside of which is archaeosine, occurs in different tRNA position, the dihydrouridine loop, and in tRNAs with more specificities.
It aminoacylates at the 2'-OH of a terminal adenosine nucleotide on tRNA, and it is usually monomeric or dimeric(one or two subunits, respectively).
In eukaryotes, three kinds of RNA-rRNA, tRNA, and mRNA-are produced based on the activity of three distinct RNA polymerases, whereas, in prokaryotes, only one RNA polymerase exists to create all kinds of RNA molecules.
This enzyme catalyses the following chemical reaction mitochondrial tRNA uridine27/28⇌{\displaystyle\rightleftharpoons} mitochondrial tRNA pseudouridine27/28 The mitochondrial enzyme Pus2p is specific for position 27 or 28 in mitochondrial tRNA.
In eukaryotes, three kinds of RNA- rRNA, tRNA, and mRNA- are produced based on the activity of three distinct RNA polymerases, whereas, in prokaryotes, only one RNA polymerase exists to create all kinds of RNA molecules.
This enzyme catalyses the following chemical reaction S-adenosyl-L-methionine+ guanine37 in tRNA⇌{\displaystyle\rightleftharpoons} S-adenosyl-L-homocysteine+ N1-methylguanine37 in tRNA This enzyme is important for the maintenance of the correct reading frame during translation.
The growing polypeptide connected to the tRNA in the P site is detached from the tRNA in the P site and a peptide bond is formed between the last amino acids of the polypeptide and the amino acid still attached to the tRNA in the A site.
The mechanism can be summarized in the following reaction series: Amino Acid+ ATP→ Aminoacyl-AMP+ PPi Aminoacyl-AMP+ tRNA→ Aminoacyl-tRNA+ AMP Summing the reactions, the highly exergonic overall reaction is as follows:Amino Acid+ tRNA+ ATP→ Aminoacyl-tRNA+ AMP+ PPi Some synthetases also mediate an editing reaction to ensure high fidelity of tRNA charging.
This enzyme catalyses the following chemical reaction tRNA uridine38/39⇌{\displaystyle\rightleftharpoons} tRNA pseudouridine38/39 The enzyme from Saccharomyces cerevisiae is active only towards uridine38 and uridine39.
This enzyme catalyses the following chemical reaction tRNA uridine32⇌{\displaystyle\rightleftharpoons} tRNA pseudouridine32 The dual enzyme from Escherichia coli also catalyses the formation of pseudouridine746 in 23S rRNA.