| NMR | neonatal mortality rate; nictitating membrane response; nuclear magnetic resonance |
|---|---|
| NMRD | nuclear magnetic relaxation dispersion |
| NMRI | Naval Medical Research Institute; nuclear magnetic resonance imaging |
| NMRS | nuclear magnetic resonance spectroscopy |
| NMT | neuromuscular tension; neuromuscular transmission; N-methyltransferase; N-myristoyltransferase; no m... |
| guide RNA | <molecular biology> Small RNA molecules that hybridise to specific mRNAs and direct their RNA editing. (18 Nov 1997) |
|---|---|
| chromosomal RNA | RNA associated with the chromosome (not mRNA, tRNA, or rRNA) that may have a role in transcription. (05 Mar 2000) |
| monocistronic RNA | <molecular biology> A messenger RNA that gives a single polypeptide chain when translated. All eukaryote mRNAs are monocistronic, but some bacterial mRNAs are polycistronic especially those transcribed from operons. (18 Nov 1997) |
| polymerase, DNA or RNA | Enzymes that catalyse the synthesis of nucleic acids on pre-existing nucleic acid templates, assembling RNA from ribonucleotides or DNA from deoxyribonucleotides. (05 Mar 2000) |
| polymerase, RNA | Enzyme that catalyses (speeds) the polymerization of RNA. Rna polymerase uses preexisting nucleic acid templates and assembles the RNA from ribonucleotides. (12 Dec 1998) |
| positive strand RNA viruses | Class IV and VI viruses that have a single stranded RNA genome that can act as mRNA plus strand) and in which the virus RNA is itself infectious. Includes Picornaviridae, Togaviridae and Retroviridae. (18 Nov 1997) |
| CTP-RNA cytidylyltransferase | <enzyme> Catalyses addition of cmp residue to 3'-ends of oligonucleotide primers Registry number: EC 2.7.7.- Synonym: terminal cytidylyltransferase (26 Jun 1999) |
| pre-ribosomal RNA endoribonuclease | <enzyme> Substrate is pre-rrna Registry number: EC 3.1.26.- Synonym: pre-rrna endoribonuclease (26 Jun 1999) |
| 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) |
| satellite RNA | <molecular biology> A small, self-splicing RNA molecule that accompanies several plant viruses, including tobaccoringspot virus. (09 Oct 1997) |
| sequence analysis, RNA | A multistage process that includes RNA cloning, physical mapping, subcloning, sequencing, and information analysis. (12 Dec 1998) |
| sisomicin-gentamicin resistance ribosomal RNA methylase | <enzyme> Catalyses the methylation of 30s ribosomal units to confer sisomicin-gentamicin resistance in micromonospora zionensis Registry number: EC 2.1.1.- Synonym: sgm gene product, sgm methylase (26 Jun 1999) |
| soluble RNA | rNA |
| negative stranded RNA virus | <virology> Class V viruses that have an RNA genome that is complementary to the mRNA, the positive strand. They also carry the virus specific RNA polymerase necessary for the synthesis of the mRNA. Includes (Rhabdoviridae, Paramyxoviridae and Myoviridae (for example the T even phages). (18 Nov 1997) |
| DNA-directed RNA polymerase | <enzyme> A group of enzymes that catalyses DNA template-directed extension of the 3'-end of an RNA strand one nucleotide at a time. They can initiate a chain de novo. In eukaryotes, three forms of the enzyme have been distinguished on the basis of sensitivity to alpha-amanitin, and the type of RNA synthesised. Chemical name: Nucleoside-triphosphate:RNA nucleotidyltransferase (DNA-directed) Registry number: EC 2.7.7.6 (12 Dec 1998) |