| RP | radial pulse; radiopharmaceutical; rapid processing [of film]; Raynaud phenomenon; reactive protein;... |
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| RPM, rpm | rapid processing mode; revolutions per minute |
| endonuclease | <enzyme> One of a large group of enzymes that cleave nucleic acids at positions within the chain. Some act on both RNA and DNA (e.g. S1 nuclease, EC.3.1.30.1, that is specific for single stranded molecules). Ribonucleases such as pancreatic, T1 etc. Are specific for RNA, Deoxyribonucleases for DNA. Bacterial restriction endonucleases are crucial in recombinant DNA technology for their ability to cleave double stranded DNA at highly specific sites. (07 Apr 1998) |
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| endonuclease-integrase | <enzyme> Part of the hiv pol gene polyprotein Registry number: EC 3.1.- Synonym: endonuclease-integrase, retroviral, hiv endonuclease-integrase, hiv-1 endonuclease protein p31 (26 Jun 1999) |
| endonuclease s1 | <enzyme> A nuclease enzyme from the fungus Aspergillus oryzae which cuts the phosphodiester bonds between nucleotides in single-stranded DNA or RNA, producing individual nucleotide molecules. (09 Oct 1997) |
| endonuclease S1 Aspergillus | <enzyme> An enzyme cleaving RNA or DNA to 5'-ended mono-or oligonucleotides; prefers single stranded polynucleic acids. Synonym: deoxyribonuclease S1. (05 Mar 2000) |
| endonuclease Serratia marcescens | A nuclease (a nucleate oligonucleotidohydrolase) that forms oligonucleotides ending in 5'-phosphates from RNA and DNA; hydrolyzes both double-stranded and single-stranded polynucleic acids. Synonym: nucleate endonuclease. (05 Mar 2000) |
| UV endonuclease | <chemical> Uv endonuclease induced by phage t4 contains endodeoxyribonuclease pyrimidine dimer (EC 3.1.25.1), DNA glycosidase and apyrimidinic-apurinic endonuclease (EC 3.1.25.2) Chemical name: nuclease, uv-endodeoxyribo- Synonym: t4-induced uv 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) |