exonucleases


exonucleases
   Cleave nucleotides one at a time from the end of a polynucleotide chain; they maybe specific for either the 5’ or 3’ end of DNA.

Forensic science glossary. . 2012.

Look at other dictionaries:

  • Exonuclease — Exonucleases are enzymes (found as individual enzymes, or as parts of larger enzyme complexes) that cleave nucleotides one at a time from an end of a polynucleotide chain. These enzymes hydrolyze phosphodiester bonds from either the 3 or 5… …   Wikipedia

  • Messenger RNA — The life cycle of an mRNA in a eukaryotic cell. RNA is transcribed in the nucleus; processed, it is transported to the cytoplasm and translated by the ribosome. At the end of its life, the mRNA is degraded. Messenger RNA (mRNA) is a molecule of… …   Wikipedia

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  • TREX2 — Three prime repair exonuclease 2, also known as TREX2, is a human gene.cite web | title = Entrez Gene: TREX2 three prime repair exonuclease 2| url = http://www.ncbi.nlm.nih.gov/sites/entrez?Db=gene Cmd=ShowDetailView TermToSearch=11219|… …   Wikipedia

  • Hydrolase — Cristal de lysozyme Les hydrolases constituent une classe d enzymes qui catalysent les réactions d hydrolyse de molécules suivant la réaction générale : R R + H2O ⇌ R OH + R H On y trouve par exemple les estérases, qui hydrolysent les …   Wikipédia en Français

  • 5' cap — The 5 cap is a specially altered nucleotide end to the 5 end of precursor messenger RNA and some other primary RNA transcripts as found in eukaryotes and, as a special exception, caliciviruses such as norovirus. The process of 5 capping is vital… …   Wikipedia

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  • Flap endonuclease — Flap endonucleases (FENs, also known as 5 nucleases in older references) are a class of nucleolytic enzymes that act as both 5 3 exonucleases and structure specific endonucleases on specialised DNA structures that occur during the biological… …   Wikipedia

  • Enzyme De Restriction — L enzyme de restriction EcoRV (en vert) avec son substrat : l ADN [1] Une enzyme de restriction est une protéine en biologie moléculaire qui peut couper un fragment d …   Wikipédia en Français


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