| Taq | Thermus aquaticus |
|---|---|
| MNase | Micrococcal nuclease |
| SNase | Staphylococcal Nuclease |
| Nase | nuclease |
| Thermus filiformis nuclease | <enzyme> A non-specific thermostable endonuclease that leaves 5'-phosphoryl products; preferred substrate is single-stranded DNA; can act on double-stranded DNA; mw 55 kD Registry number: EC 3.1.- Synonym: tf nuclease, nuc17 gene product (26 Jun 1999) |
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| verruca filiformis | A wart composed of a single or many greatly elongated papillae; appears more commonly on the face and neck. Synonym: filiform wart. (05 Mar 2000) |
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| pulsus filiformis | A small fine pulse, feeling like a small cord or thread under the finger. Synonym: pulsus filiformis. (05 Mar 2000) |
| nucleus filiformis | A triangular group of large magnocellular neurons in the periventricular zone of the anterior half of the hypothalamus. The cells of the nucleus are similar to those of the supraoptic nucleus; the axons of about 20% of their number join in the formation of the supraopticohypophysial tract and are functionally associated with the posterior lobe of the hypophysis; they project fibres to the brainstem nuclei (dorsal motor nucleus and solitary nucleus) and to the intermediolateral cell column of the spinal cord at thoracic, lumbar, and spinal levels; similar descending autonomic fibres arise from the lateral and posterior hypothalamic nuclei. Synonym: nucleus paraventricularis, filiform nucleus, nucleus filiformis. (05 Mar 2000) |
| thermus | Gram-negative aerobic rods found in warm water (40-79 degrees c) such as hot springs, hot water tanks, and thermally polluted rivers. (12 Dec 1998) |
| Thermus aquaticus carboxypeptidase | <enzyme> A zinc-dependent metallo-carboxypeptidase; has 511 amino acid residues; mw 56,210 da; genbank d17669 Registry number: EC 3.4.- Synonym: carboxypeptidase taq, taq carboxypeptidase, cpase taq (26 Jun 1999) |
| Thermus aquaticus Rt41A proteinase | <enzyme> Inactive at low temperatures, active at 60 degrees c Registry number: EC 3.4.21.- Synonym: thermus rt41a proteinase, rt41a proteinase (26 Jun 1999) |
| thermus thermophilus | A species of gram-negative, aerobic, rod-shaped bacteria found in hot springs of neutral to alkaline pH, as well as in hot-water heaters. (12 Dec 1998) |
| APEX nuclease | <enzyme> DNA repair enzyme having both exonuclease and apurinic-apyrimidinic endonuclease activities; apex is from mouse; rapen from rat has high homology with apex Registry number: EC 3.1.- Synonym: rapen redox factor (26 Jun 1999) |
| aspergillus nuclease s1 | <enzyme> An enzyme that catalyses endonucleolytic cleavage to 5-phosphomononucleotides and 5-phosphooligonucleotide end-products. It has a preference for single-stranded substrates but is active with either ribo- or deoxyribonucleic acids. Registry number: EC 3.1.30.1 (12 Dec 1998) |
| viral alkaline nuclease | <enzyme> Has both exo and endonuclease activity Registry number: EC 3.1.- Synonym: hsv type 1 alkaline nuclease, herpes simplex virus type I alkaline nuclease, alkaline nuclease, herpes simplex virus (26 Jun 1999) |
| repair nuclease | <enzyme, molecular biology> Class of enzymes involved in DNA repair. It includes endonucleases that recognise a site of damage or an incorrect base pairing and cut it out and exonucleases that remove neighbouring nucleotides on one strand. These are then replaced by a DNA polymerase. (18 Nov 1997) |
| restriction nuclease | <enzyme, molecular biology> Class of bacterial enzymes that cut DNA at specific sites. In bacteria their function is to destroy foreign DNA, such as that of bacteriophages (host DNA is specifically modified at these sites). Type I restriction endonucleases occur as a complex with the methylase and a polypeptide that binds to the recognition site on DNA. They are often not very specific and cut at a remote site. Type II restriction endonucleases are the classic experimental tools. They have very specific recognition and cutting sites. The recognition sites are short, 4-8 nucleotides and are usually palindromic sequences. Because both strands have the same sequence running in opposite directions the enzymes make double stranded breaks, which, if the site of cleavage is off centre, generates fragments with short single stranded tails, these can hybridise to the tails of other fragments and are called sticky ends. They are generally named according to the bacterium from which they were isolated (first letter of genus name and the first two letters of the specific name). The bacterial strain is identified next and multiple enzymes are given Roman numerals. For example the two enzymes isolated from the R strain of E. Coli are designated Eco RI and Eco RII. (10 Mar 1998) |
| micrococcal nuclease | <enzyme> An enzyme that catalyses the endonucleolytic cleavage to 3'-phosphomononucleotide and 3'-phospholigonucleotide end-products. It can cause hydrolysis of double- or single-stranded DNA or RNA. Registry number: EC 3.1.31.1 (12 Dec 1998) |
| mung bean nuclease | Endonuclease S1 (Aspergillus). (05 Mar 2000) |
| S1 nuclease mapping | A method for locating the 5' end of a transcript in a mixture of RNA. (05 Mar 2000) |
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