tRNA

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tRNA

abbr.
transfer RNA
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

transfer RNA



n.
any of a class of small, cloverleaf forms of RNA that transfer unattached amino acids in the cell cytoplasm to the ribosomes for protein synthesis.
Abbr.: tRNA
[1960–65]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.tRNA - RNA molecules present in the cell (in at least 20 varieties, each variety capable of combining with a specific amino acid) that attach the correct amino acid to the protein chain that is being synthesized at the ribosome of the cell (according to directions coded in the mRNA)tRNA - RNA molecules present in the cell (in at least 20 varieties, each variety capable of combining with a specific amino acid) that attach the correct amino acid to the protein chain that is being synthesized at the ribosome of the cell (according to directions coded in the mRNA)
ribonucleic acid, RNA - (biochemistry) a long linear polymer of nucleotides found in the nucleus but mainly in the cytoplasm of a cell where it is associated with microsomes; it transmits genetic information from DNA to the cytoplasm and controls certain chemical processes in the cell; "ribonucleic acid is the genetic material of some viruses"
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References in periodicals archive ?
Reaction of anti-OJ autoantibodies with components of the multi-enzyme complex of aminoacyl-tRNA synthetases in addition to isoleucyl-tRNA synthetase.
Partnering with these 20 tRNAs are 20 matching helper enzymes known as synthetases (aminoacyl-tRNA synthetases), whose job it is to load their partner tRNAs with the correct amino acid.
Interstitial lung disease with autoantibodies against aminoacyl-tRNA synthetases in the absence of clinically apparent myositis.
Called aminoacyl-tRNA synthetases (aaRSs), they link amino acids to RNA strings, playing an important role in the essential life process of converting genes into proteins.
The correct amino acid is attached to each tRNA species by specific enzymes called aminoacyl-tRNA synthetases.