| FM | face mask; facilities management; family medicine; feedback mechanism; fetal movement; fibromuscular... |
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| FMN | first malignant neoplasm; flavin mononucleotide; frontomaxillonasal [suture] |
| FMNH, FMNH2 | reduced form of flavin mononucleotide |
| FP | false positive; family physician; family planning; family practice; family practitioner; Fanconi pan... |
| FPH2 | reduced form of flavin phosphate |
| nicotinamide-nucleotide adenylyltransferase | <enzyme> An enzyme that catalyses reversibly the transfer of the adenylyl moiety of ATP to the phosphoryl group of nmn to form NAD+ and pyrophosphate. The enzyme is found predominantly in the nuclei and catalyses the final reaction in the major pathway for the biosynthesis of NAD in mammals. Chemical name: ATP:nicotinamide-nucleotide adenylyltransferase Registry number: EC 2.7.7.1 (12 Dec 1998) |
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| nucleotide | <biochemistry> Phosphate esters of nucleosides. The metabolic precursors of nucleic acids are monoesters with phosphate on carbon 5 of the pentose (known as 5' to distinguish sugar from base numbering). However many other structures, such as adenosine 3'5' cyclic monophosphate (cAMP) and molecules with 2 or 3 phosphates are also called nucleotides. (18 Nov 1997) |
| nucleotide 3'-pyrophosphokinase-2',3'-cyclic monophosphokinase | <enzyme> Transfers 5'-beta,gamma-pyrophosphate from ATP and some ATP derivatives to nucleotides and nucleosides at the 3'-hydroxyl group; synthesises the respective 3'-pyrophosphoryl nucleotides Registry number: EC 2.7.6.- Synonym: ppkase (26 Jun 1999) |
| nucleotide binding fold | Protein motif consisting of a fold or pocket with certain conserved residues, required for the binding of nucleotides. (18 Nov 1997) |
| nucleotide deaminases | <enzyme> Catalyze the hydrolysis of nucleotides with the elimination of ammonia. Registry number: EC 3.5.4 (12 Dec 1998) |
| nucleotide deletion | Deletion of a single nucleotide, which in a transcribed gene will lead to a frameshift mutation. Synonym: point deletion. (05 Mar 2000) |
| nucleotide mapping | Two-dimensional separation and analysis of nucleotides. (12 Dec 1998) |
| nucleotide pair | <molecular biology> Two nitrogenous bases (adenine and thymine or guanine and cytosine) held together by weak bonds. Two strands of DNA are held together in the shape of a double helix by the bonds between base pairs. (09 Oct 1997) |
| nucleotide phosphotransferase | <enzyme> Transfers phosphoric acid from an organic phosphate donor to the 2' or 3' hydroxyls of nucleosides and nucleotides Registry number: EC 2.7.1.- (26 Jun 1999) |
| nucleotide pyrophosphate transferase | <enzyme> Transfers the beta, gamma pyrophosphate group from ATP to 3'-hydroxy group of ribonucleotides, oligonucleotides or trna Registry number: EC 2.7.6.- (26 Jun 1999) |
| diphosphopyridine nucleotide | nAD |
| thymine nucleotide | A major constituent of DNA. Synonym: thymidine 5'-monophosphate, thymine nucleotide. (05 Mar 2000) |
| triphosphopyridine nucleotide | Former name for nicotinamide adenine dinucleotide phosphate. (05 Mar 2000) |
| 2',3'-cyclic nucleotide 2'-phosphodiesterase | <enzyme> Catalyses the hydrolysis of the 2'-phosphodiesterase bond to yield nucleoside 3'phosphate Registry number: EC 3.1.4.16 Synonym: 2',3'-cyclic nucleotide 2'-phosphohydrolase (26 Jun 1999) |
| 2',3'-cyclic nucleotide 3'-phosphodiesterase | <enzyme> Catalyses the hydrolysis of the 3'-phosphoesterase bond to yield nucleoside 2'-phosphate Registry number: EC 3.1.4.37 Synonym: 2',3'-cyclic nucleotide 3'-phosphohydrolase, 2',3'-cn phosphodiesterase, 2',3'-cnpase (26 Jun 1999) |