| STEM | scanning transmission electron microscope; Society of Teachers of Emergency Medicine |
|---|---|
| STK | stem cell tyrosine kinase; streptokinase |
| THSC | totipotent hematopoietic stem cell |
| TMST | treadmill stem test |
| TS | Takayasu syndrome; Tay-Sachs; temperature sensitivity; temperature, skin; temporal stem; tensile str... |
| 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 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-hypoxanthine ribosyltransferase | <enzyme> Incorporates hypoxanthine into mature trna molecules Registry number: EC 2.4.2.- Synonym: trna-hpx ribosyltransferase (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(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) |
| tryptophan-trna ligase | <enzyme> An enzyme that activates tryptophan with its specific transfer RNA. Chemical name: L-Tryptophan:tRNA(Trp) ligase (AMP-forming) Registry number: EC 6.1.1.2 (12 Dec 1998) |
| tyrosine-trna ligase | <enzyme> An enzyme that activates tyrosine with its specific transfer RNA. Chemical name: L-Tyrosine:tRNA-(Tyr) ligase (AMP-forming) Registry number: EC 6.1.1.1 (12 Dec 1998) |
| tyrosyl tRNA synthetase kinase | <enzyme> From postribosomal supernatants of bom:nmri mouse liver; comigrates with tyrosyl trna synthetase during several purification steps Registry number: EC 2.7.1.- Synonym: tyr trna synthetase kinase (26 Jun 1999) |
| fMet-tRNA | <abbreviation> Formylmethionyl tRNA. (05 Mar 2000) |
| 5'-pre-tRNA endonuclease | <enzyme> Processes the 5' leader from primary transcript of human trna(met)(i)gene Registry number: EC 3.1.26.- (26 Jun 1999) |
| formylmethionyl-tRNA | Initiation tRNA in certain organisms. (05 Mar 2000) |