exoamylase

exoamylase
A glucanohydrolase acting on a glycosidic bond near an end of the polysaccharide; E.G., β-amylase.

* * *

exo·am·y·lase (ek″so-amґə-lās) an amylase that catalyzes the cleavage of α-1,4-glucosidic bonds only at the nonreducing termini of polysaccharide chains. Cf. endoamylase.

Medical dictionary. 2011.

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Look at other dictionaries:

  • β-amylase — A glucanohydrolase yielding β maltose units from the nonreducing ends of 1,4 α glucans. An exoamylase. SYN: glycogenase, saccharogen amylase …   Medical dictionary

  • endoamylase — A glucanohydrolase acting on internal glycosidic bonds ( E.G., α amylase). * * * en·do·am·y·lase (en″do amґə lās) an amylase that catalyzes the cleavage of α 1,4 glucosidic bonds not necessarily at the nonreducing end of the… …   Medical dictionary

  • β-amylase — [EC 3.2.1.2] an exoamylase occurring in plants and bacteria; it cleaves alternate glucosidic bonds to remove maltose units from the polysaccharide chains …   Medical dictionary

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