From which pyrimidine bases have been removed

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  • apyrimidinic acid — DNA from which the pyrimidine bases have been removed by chemical treatment ( e.g., exposure to hydrazine) …   Medical dictionary

  • DNA-(apurinic or apyrimidinic site) lyase — Identifiers EC number CAS number 61811 29 8 …   Wikipedia

  • APEX1 — APEX nuclease (multifunctional DNA repair enzyme) 1, also known as APEX1, is a human gene. PBB Summary section title = summary text = Apurinic/apyrimidinic (AP) sites (also called abasic sites ) occur frequently in DNA molecules by spontaneous… …   Wikipedia

  • AP endonuclease — An AP endonuclease is an enzyme that cuts a strand of DNA on the 5 side of an AP (apurinic/apyrimidinic) site, as the first step in DNA base excision repair (BER).AP endonucleases are divided into two families based on their homology to the… …   Wikipedia

  • Ap-сайт апуриновый с апиримидиновый с — Ap сайт, апуриновый с., апиримидиновый с. * Ap сайт, апурынавы с., апірымідзінавы с. * Ap site or apurinic s. or apyrimidinic s. остаток дезоксирибозы в результате потери азотистого основания пурина () или пиримидина () в молекуле ДНК. Такие с.… …   Генетика. Энциклопедический словарь

  • DNA glycosylase — DNA glycosylases are a family of enzymes involved in base excision repair, classified under EC number EC 3.2.2. Base excision repair is the mechanism by which damaged bases in DNA are removed and replaced. DNA glycosylases catalyze the first step …   Wikipedia

  • AP site — An AP site (meaning apurinic and apyrimidinic) is a location in DNA that have neither a purine nor pyrimidine base, usually due to DNA damage.If left unrepaired AP sites can lead to mutation during semiconservative replication as a random… …   Wikipedia

  • Base excision repair — (BER) is a cellular mechanism that repairs damaged DNA throughout the cell cycle. Repairing DNA sequence errors is necessary so that mutations are not propagated or to remove lesions that may lead to breaks in the DNA during replication.Single… …   Wikipedia

  • List of EC numbers (EC 4) — This list contains a list of EC numbers for the fourth group, EC 4, lyases, placed in numerical order as determined by the Nomenclature Committee of the International Union of Biochemistry and Molecular Biology.EC 4.1: Carbon Carbon LyasesEC… …   Wikipedia

  • Nucleotidyltransferase — Nucleotidyltransferases are transferase enzymes of phosphorus containing groups, e.g., substituents of nucleotidylic acids or simply nucleoside monophosphates. The general reaction of transferring a nucleoside monophosphate moiety from A to B,… …   Wikipedia

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