| HARS | histidyl-RNA synthetase |
|---|---|
| PG | paregoric; parotid gland; pentagastrin; pepsinogen; peptidoglycan; Pharmacopoeia Germanica; phosphat... |
| RNA | Ribo-Nucleic Acid |
| poly-IC, | poly-I:C copolymer of polyinosinic and polycytidylic acids; synthetic RNA polymer |
| RNA | radionuclide angiography; Registered Nurse Anesthetist; ribonucleic acid; rough, noncapsulated, avir... |
| 2-5A synthetase | 2', 5'-oligoadenylate synthetase |
|---|---|
| D RNA | defective RNA |
| HCV RNA | Hepatitis C virus RNA |
| hn-RNA | Heteronuclear RNA |
| I-RNA | Immune RNA |
| prolyl T RNA synthetase | <enzyme> Minor descriptor (75-84); on-line and index medicus search amino acyl t RNA synthetases (75-84) Registry number: EC 6.1.1.15 Synonym: l-proline-trna-pro ligase (AMP-forming) (26 Jun 1999) |
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| peptidyl prolyl cis trans isomerase | See: PPIase and immunophilin. (18 Nov 1997) |
|---|---|
| prolyl | The acyl radical of proline. Prolyl dipeptidase, an enzyme cleaving l-prolyl-amino acid bonds in dipeptides containing N-terminal prolyl residues. Synonym: iminodipeptidase, prolinase, prolylglycine dipeptidase. Prolyl hydroxylase, an enzyme that catalyses the hydroxylation of certain prolyl residues in collagen precursors using molecular oxygen, ferrous ion, ascorbic acid, and alpha-keotglutarate; a vitamin C deficiency directly affects the activity of this enzyme; one form of this enzyme (prolyl 4-hydroxylase) synthesises 4-hydroxyprolyl residues while another produces 3-hydroxyprolyl residues. (05 Mar 2000) |
| prolyl aminopeptidase | <enzyme> Pepi gene product isolated from lactobacillus delbrueckii Registry number: EC 3.4.11.5 Synonym: proline aminopeptidase, cytosol aminopeptidase v, proline-imino-peptidase, proline iminopeptidase, pro-x aminopeptidase, pepi gene product, pip gene product, xanthomonas (26 Jun 1999) |
| prolyl hydroxylase | Specific proline residues on the amino side of a glycine residue in collagen become hydroxylated at C4, before the polypeptides become helical, by the activity of prolyl hydroxylase. This enzyme has a ferrous ion at the active site and a reducing agent such as ascorbate is necessary to maintain the iron in the ferrous state. The presence of hydroxyproline is essential to produce stable triple helical tropocollagen, hence the problems caused by ascorbate deficiency in scurvy. This unusual amino acid is also present in considerable amounts in the major glycoprotein of primary plant cell walls (see HRGP). (18 Nov 1997) |
| prolyl oligopeptidase | <enzyme> Cleaves dipeptides from n-terminal end of peptide chain if penultimate residue is proline; before 1992 prolyl endopeptidase (thiol-dependent) was EC 3.4.22.18 Registry number: EC 3.4.21.26 Synonym: post-proline cleaving enzyme, proline specific endopeptidase, post-proline endopeptidase, prolyl endopeptidase, proline endopeptidase, prolyl endopeptidase I, prolyl endopeptidase (thiol-dependent) (26 Jun 1999) |
| succinylalanyl-alanyl-prolyl-phenylalanyl-7-amino-4-methylcoumarin hydrolase | <enzyme> Enzyme may be involved in attainment of transformed state Registry number: EC 3.4.24.- Synonym: suc-ala-ala-pro-phe-amc hydrolase, saapp-amc-hydrolase (26 Jun 1999) |
| (3-(arginyl)amino-4-(4-nitrophenyl)butyryl)-leucyl-prolyl-threonine | Pharmacological action: neurotransmitters Synonym: 2-afb(p-no2)-proctolin, (afb(p-no2)(2))-proctolin (26 Jun 1999) |
| acceptor RNA | rNA |
| antisense RNA | <molecular biology> A complementary RNA sequence that binds to (and thus blocks the transcription of) a naturally-occuring (sense) messenger RNA molecule. These proteins can be used to selectively turn off production of certain proteins or block viral genetic instructions, by marking them for destruction by cellular enzymes, in order to prevent the building of new virus or the infection of new cells. (09 Oct 1997) |
| bacteriophage T3 RNA polymerase | <enzyme> Used for the rapid generation of strand-specific RNA molecules that can be used for the identification of genes in hybridization experiments Registry number: EC 2.7.7.- Synonym: t3 RNA polymerase (26 Jun 1999) |
| cap II RNA(nucleoside-2'-)methyltransferase | <enzyme> Converts cap i-terminated mRNA to cap II-terminated mRNA Registry number: EC 2.1.1.- Synonym: cap II methylase (26 Jun 1999) |
| cap I RNA (nucleoside-2'-)methyltransferase | <enzyme> Converts cap 0-terminated mRNA to cap i-terminated mRNA Registry number: EC 2.1.1.- Synonym: cap I methylase (26 Jun 1999) |
| p68 RNA helicase | <enzyme> An RNA helicase isolated from uv-induced tumours in mice; amino acid sequence has been determined Registry number: EC 2.7.7.- Synonym: dead box helicase p68 (26 Jun 1999) |
| masked messenger RNA | <molecular biology> Long lived and stable mRNA found originally in the oocytes of echinoderms and constituting a store of maternal information for protein synthesis that is unmasked (derepressed) during the early stages of morphogenesis. In these early stages the rate of cell division is so rapid that transcription from the embryonic genome cannot occur. Undoubtedly not restricted to oocytes and the term can be applied to any mRNA which is present in inactive form. (18 Nov 1997) |
| ribosomal RNA | <molecular biology> A nucleic acid found in all living cells. Plays a role in transferring information from DNA to the protein-forming system of the cell. (16 Dec 1997) |
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