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- Transfer_RNA abstract "A Transfer RNA (abbreviated tRNA and archaically referred to as sRNA abbreviating soluble RNA) is an adaptor molecule composed of RNA, typically 73 to 94 nucleotides in length, that serves as the physical link between the nucleotide sequence of nucleic acids (DNA and RNA) and the amino acid sequence of proteins. It does this by carrying an amino acid to the protein synthetic machinery of a cell (ribosome) as directed by a three-nucleotide sequence (codon) in a messenger RNA (mRNA). As such, tRNAs are a necessary component of protein translation, the biological synthesis of new proteins according to the genetic code.The specific nucleotide sequence of an mRNA specifies which amino acids are incorporated into the protein product of the gene from which the mRNA is transcribed, and the role of tRNA is to specify which sequence from the genetic code corresponds to which amino acid. One end of the tRNA matches the genetic code in a three-nucleotide sequence called the anticodon. The anticodon forms three base pairs with a codon in mRNA during protein biosynthesis. The mRNA encodes a protein as a series of contiguous codons, each of which is recognized by a particular tRNA. On the other end of the tRNA is a covalent attachment to the amino acid that corresponds to the anticodon sequence. Each type of tRNA molecule can be attached to only one type of amino acid, so each organism has many types of tRNA (in fact, because the genetic code contains multiple codons that specify the same amino acid, there are many tRNA molecules bearing different anticodons which also carry the same amino acid).The covalent attachment to the tRNA 3’ end is catalyzed by enzymes called aminoacyl-tRNA synthetases. During protein synthesis, tRNAs with attached amino acids are delivered to the ribosome by proteins called elongation factors (EF-Tu in bacteria, eEF-1 in eukaryotes), which aid in decoding the mRNA codon sequence. If the tRNA's anticodon matches the mRNA, another tRNA already bound to the ribosome transfers the growing polypeptide chain from its 3’ end to the amino acid attached to the 3’ end of the newly delivered tRNA, a reaction catalyzed by the ribosome.".
- Transfer_RNA thumbnail Peptide_syn.png?width=300.
- Transfer_RNA wikiPageExternalLink gtrnadb.ucsc.edu.
- Transfer_RNA wikiPageExternalLink home.rcsb.org.
- Transfer_RNA wikiPageExternalLink 3762664.stm.
- Transfer_RNA wikiPageExternalLink RF00005.
- Transfer_RNA wikiPageExternalLink trnadb.bioinf.uni-leipzig.de.
- Transfer_RNA wikiPageExternalLink index.html.
- Transfer_RNA wikiPageExternalLink pdb15_1.html.
- Transfer_RNA wikiPageExternalLink pdb16_1.html.
- Transfer_RNA wikiPageExternalLink pdb81_1.html.
- Transfer_RNA wikiPageExternalLink index.html.
- Transfer_RNA wikiPageID "532175".
- Transfer_RNA wikiPageRevisionID "603575651".
- Transfer_RNA hasPhotoCollection Transfer_RNA.
- Transfer_RNA name "tRNA".
- Transfer_RNA pdb "4.19904E7".
- Transfer_RNA rfam "RF00005".
- Transfer_RNA rnaType Gene.
- Transfer_RNA rnaType Transfer_RNA.
- Transfer_RNA symbol "tRNA".
- Transfer_RNA subject Category:Non-coding_RNA.
- Transfer_RNA subject Category:Protein_biosynthesis.
- Transfer_RNA subject Category:RNA.
- Transfer_RNA comment "A Transfer RNA (abbreviated tRNA and archaically referred to as sRNA abbreviating soluble RNA) is an adaptor molecule composed of RNA, typically 73 to 94 nucleotides in length, that serves as the physical link between the nucleotide sequence of nucleic acids (DNA and RNA) and the amino acid sequence of proteins. It does this by carrying an amino acid to the protein synthetic machinery of a cell (ribosome) as directed by a three-nucleotide sequence (codon) in a messenger RNA (mRNA).".
- Transfer_RNA label "ARN de transferencia".
- Transfer_RNA label "ARN transportador".
- Transfer_RNA label "Acide ribonucléique de transfert".
- Transfer_RNA label "RNA transfer".
- Transfer_RNA label "TRNA".
- Transfer_RNA label "TRNA".
- Transfer_RNA label "TRNA".
- Transfer_RNA label "Transfer RNA".
- Transfer_RNA label "Transfer RNA".
- Transfer_RNA label "ТРНК".
- Transfer_RNA label "رنا نقال".
- Transfer_RNA label "転移RNA".
- Transfer_RNA sameAs TRNA.
- Transfer_RNA sameAs TRNA.
- Transfer_RNA sameAs Μεταφορικό_RNA.
- Transfer_RNA sameAs ARN_de_transferencia.
- Transfer_RNA sameAs Acide_ribonucléique_de_transfert.
- Transfer_RNA sameAs Transfer_RNA.
- Transfer_RNA sameAs RNA_transfer.
- Transfer_RNA sameAs 転移RNA.
- Transfer_RNA sameAs 운반_RNA.
- Transfer_RNA sameAs Transfer_RNA.
- Transfer_RNA sameAs TRNA.
- Transfer_RNA sameAs ARN_transportador.
- Transfer_RNA sameAs m.02m95q.
- Transfer_RNA sameAs Q201448.
- Transfer_RNA sameAs Q201448.
- Transfer_RNA wasDerivedFrom Transfer_RNA?oldid=603575651.
- Transfer_RNA depiction Peptide_syn.png.
- Transfer_RNA isPrimaryTopicOf Transfer_RNA.
