noun Date: 1912 an enzyme that accelerates the hydrolysis and synthesis of organic esters of phosphoric acid and the transfer of phosphate groups to other compounds: a. alkaline phosphatase b. acid phosphatase

New Collegiate Dictionary. 2001.

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  • phosphatase — [ fɔsfataz ] n. f. • av. 1949; de phosphate et ase ♦ Biochim. Enzyme qui catalyse la libération d acide phosphorique à partir de ses esters organiques. ● phosphatase nom féminin Enzyme libérant de l acide phosphorique, présente dans de nombreux… …   Encyclopédie Universelle

  • phosphatase — [fäs′fə tās΄] n. [< PHOSPHATE + ASE] any of various enzymes, found in body tissues and fluids, that hydrolyze phosphoric acid esters of organic compounds, liberating phosphate ions …   English World dictionary

  • phosphatase — Any of a group of enzymes (EC 3.1.3.x) that liberate orthophosphate from phosphoric esters. SEE ALSO: phosphohydrolases. acid p. a p. with an optimum pH of less than 7.0 (for several isozymes, it is 5.4), notably present in the prostate gland;… …   Medical dictionary

  • Phosphatase — A phosphatase is an enzyme that removes a phosphate group from its substrate by hydrolysing phosphoric acid monoesters into a phosphate ion and a molecule with a free hydroxyl group (see dephosphorylation). This action is directly opposite to… …   Wikipedia

  • Phosphatase — Une phosphatase est une enzyme dont la fonction est d enlever un groupe phosphate d une molécule simple ou d une macromolécule biologique, par hydrolyse. En biotechnologie, elle peut agir sur l ADN et sur l ARN afin d empêcher leur… …   Wikipédia en Français

  • Phosphatase — Phosphatasen Enzymklassifikationen EC, Kategorie …   Deutsch Wikipedia

  • phosphatase — n. one of a group of enzymes capable of catalysing the hydrolysis of phosphoric acid esters. An example is glucose 6 phosphatase, which catalyses the hydrolysis of glucose 6 phosphate to glucose and phosphate. Phosphatases are important in the… …   The new mediacal dictionary

  • phosphatase — fosfatazė statusas T sritis chemija apibrėžtis Fermentas, katalizuojantis fosfatų atskėlimą. atitikmenys: angl. phosphatase rus. фосфатаза …   Chemijos terminų aiškinamasis žodynas

  • phosphatase — (fos fah teīs ) An enzyme that catalyzes the hydrolytic removal of phosphate from molecules …   Dictionary of microbiology

  • phosphatase — /fos feuh tays , tayz /, n. Biochem. any of several classes of esterases of varying specificity that catalyze the hydrolysis of phosphoric esters. [1910 15; PHOSPHATE + ASE] * * * …   Universalium

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