| tRNA | rNA |
|---|---|
| tRNA (5-methylaminomethyl-2-thiouridylate)-methyltransferase | <enzyme> From E coli; has two enzymatic activities, one demodifies 5-carboxymethylaminomethyl-2-thiouridine to the 5-amino cpd, the other catalyses the transfer of a methyl group from s-adenosylmethionine to 5-aminomethyl-2-thiouridine thus forming 5-methylaminomethyl-2-thiouridine Registry number: EC 2.1.1.61 Synonym: trna(5-methylaminomethyl-2-thiouridine)-methyltransferase, trna(mnm5s2u)-methyltransferase (26 Jun 1999) |
| tRNA 2-selenouridine synthase | <enzyme> Catalyses the conversion of a 5-methylaminomethyl-2-thiouridine in trna to 5-methylaminomethyl-2-selenouridine Registry number: EC 2.8.1.- (26 Jun 1999) |
| tRNA 3'-processing endonuclease | <enzyme> Involved in processing precursor trna from eukaryotic nuclei and organelles between nucleotides 74 and 75 to give 3'c-oh Registry number: EC 3.1.27.- (26 Jun 1999) |
| tRNA A64-2'-O-ribosylphosphate transferase | <enzyme> Rit - ribosylation of the initiator trna; a trna backbone-modifying enzyme that mediates initiator and elongator trna discrimination; forms 2'-o-ribosylphosphate on adenosine 64 of saccharomyces cerevisiae trna; genbank x80795 Registry number: EC 2.4.2.- Synonym: rit1 protein, rit1 gene product (26 Jun 1999) |
| tRNA excision ligase | <enzyme> Processes pre-trna-tyr into mature trna-tyr Registry number: EC 6.5.1.- (26 Jun 1999) |
| tRNA guanylyltransferase | <enzyme> From saccharomyces cerevisiae or drosophila melanogaster; during the biosynthesis of eukaryotic histidine trna, the enzyme adds a guanylate moiety to the 5'-end of histidine trna in a posttranscriptional modification Registry number: EC 2.7.7.- Synonym: histidine trna guanylyltransferase (26 Jun 1999) |
| trna methyltransferases | <enzyme> Enzymes that catalyze the s-adenosyl-l-methionine-dependent methylation of ribonucleotide bases within a transfer RNA molecule. Registry number: EC 2.1.1.- (12 Dec 1998) |
| tRNA nucleotidyltransferase | <enzyme> EC 2.7.7.21 (trna cytidylyltransferase) and EC 2.7.7.25 (trna adenylyltransferase) may be identical Registry number: EC 2.7.7.- Synonym: ctp(ATP)-trna nucleotidyltransferase, trna adenylyltransferase, trna cytidylyltransferase, ATP(ctp)-trna nucleotidyltransferase, transfer RNA nucleotidyltransferase, cca-adding enzyme (26 Jun 1999) |
| tRNA pseudouridine synthetase | <enzyme> Converts trna-uridine to trna-pseudouridine by intramolecular rearrangement of ribose from n-1 to c-5 position of uracil at positions 38, 39 and 40 of nearly all trnas Registry number: EC 5.4.99.12 Synonym: pseudoridine synthase I, pus4 gene product, ynl292w gene product (26 Jun 1999) |
| tRNA splicing ligase | <enzyme> One of two enzymes involved in trna splicing in archaea Registry number: EC 6.5.1.- (26 Jun 1999) |
| tRNA sulfurtransferase | <enzyme> Transfers sulfur from beta-mercaptopyruvate to trna Registry number: EC 2.8.1.4 (26 Jun 1999) |
| tRNA(1-methylguanosine)methyltransferase | <enzyme> Mw 21 kD; converts guanosine in position 37 to 1-methylguanosine and at least one of the trna(arg) isoacceptors Registry number: EC 2.1.1.- Synonym: trmd protein (26 Jun 1999) |
| tRNA(guanosine-2'-)-methyltransferase | <enzyme> Transfers the methyl group from s-adenosyl-l-methionine to the 2'-hydroxyl group of a guanosine residue present in a gg sequence in trna(try) Registry number: EC 2.1.1.34 Synonym: trna(gm)methylase, trna(wobble guanosine 2'-o-)methyltransferase (26 Jun 1999) |
| tRNA(Trp) intron endonuclease | <enzyme> Capable of prescise excision of the 104-nucleotide intron from halobacterial pre-trna(trp) substrates generated in vitro by t7 RNA polymerase transcription; produces 5'-hydroxyl and 2',3'-cyclic phosphate termini; from halobacterium volcanii Registry number: EC 3.1.27.- Synonym: trna trp intron endonuclease (26 Jun 1999) |
| alanine-trna ligase | <enzyme> An enzyme that activates alanine with its specific transfer RNA. Chemical name: L-Alanine:tRNA(Ala) ligase (AMP-forming) Registry number: EC 6.1.1.7 (12 Dec 1998) |
|---|---|
| aminoacid-tRNA ligases | Recommended name for aminoacyl-tRNA synthetases, e.g., tyrosine-tRNA ligase for tyrosyl-tRNA synthetase. (05 Mar 2000) |
| aminoacyl-tRNA | <molecular biology> The name of the complex created when a tRNA molecule is attached to its specific amino acid and ready to participate in protein synthesis. (13 Oct 1997) |
| amino acyl-tRNA ligases | <enzyme> Any of the group of ligases that catalyses the ATP-driven formation of a bond between an amino acid and a trna, activating the amino acids as a step in protein synthesis. Individual enzymes are highly specific for one amino acid and for any trna corresponding to that amino acid. Registry number: EC 6.1.1. (12 Dec 1998) |
| aminoacyl-tRNA synthetases | <enzyme> Enzymes catalyzing the formation of a specific aminoacyl-tRNA from an amino acid and adenosine 5'-triphosphate with the concomitant formation of adenosine 5'-monophosphate and pyrophosphate. Synonym: amino acid activating enzyme, aminoacyl-tRNA ligases. (05 Mar 2000) |
| arginine-trna ligase | <enzyme> An enzyme that activates arginine with its specific transfer RNA. Chemical name: L-Arginine:tRNA(Arg)ligase (AMP-forming) Registry number: EC 6.1.1.19 (12 Dec 1998) |
| aspartate-trna ligase | <enzyme> An enzyme that activates aspartic acid with its specific transfer RNA. Chemical name: L-Aspartate:tRNA-(Asp) ligase (AMP-forming) Registry number: EC 6.1.1.12 (12 Dec 1998) |
| p18 component, aminoacyl tRNA synthetase | <enzyme> Shares a protein motif with the beta and gamma subunits of eukaryotic elongation factor 1; amino acid sequence given in first source Registry number: EC 6.1.1.- Synonym: p18 aminoacyl-trna synthase (26 Jun 1999) |
| valine-trna ligase | <enzyme> An enzyme that activates valine with its specific transfer RNA. Chemical name: L-Valine:tRNA(Val) ligase (AMP-forming) Registry number: EC 6.1.1.9 (12 Dec 1998) |
| glutamate-trna ligase | <enzyme> An enzyme that activates glutamic acid with its specific transfer RNA. Chemical name: L-Glutamate:tRNA(Glu) ligase (AMP-forming) Registry number: EC 6.1.1.17 (12 Dec 1998) |
| glutaminyl-tRNA synthetase | <enzyme> Pi read RNA, soluble (70-75), but had to be deleted since no longer an active mh Registry number: EC 6.1.1.18 Synonym: glnrs (26 Jun 1999) |
| glutamyl tRNA dehydrogenase | <enzyme> Converts alpha carboxyl of glutamyl-trna to glutamate-1-saemialdehyde in the presence of NADPH Registry number: EC 1.2.1.- (26 Jun 1999) |
| glutamyl-tRNA(Gln) amidotransferase | <enzyme> Amidation proceeds by a gamma-phosphorylated intermediate; glutamine or asparagine can act as amide donor Registry number: EC 2.6.- Synonym: glu-trna(gln) amidotransferases, glu-adt (26 Jun 1999) |
| glutamyl tRNA reductase | <enzyme> Involved in aminolevulinic acid biosynthesis; trna is cofactor for NADPH-dependent reduction of glutamate to glutamate-1-saemialdehyde; amino acid sequence given in second source Registry number: EC 1.2.1.- Synonym: glu-trna reductase, haema protein, haema gene product, k-12 haema gene product, haema1 gene product, haema2 gene product (26 Jun 1999) |
| glycine-trna ligase | <enzyme> An enzyme that activates glycine with its specific transfer RNA. Chemical name: Glycine:tRNA(Gly) ligase (AMP-forming) Registry number: EC 6.1.1.14 (12 Dec 1998) |