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phosphorylase

[ fos-fer-uh-leys, -leyz, fos-fawr-uh-, -for- ]

noun

, Biochemistry.
  1. any enzyme, occurring widely in animal and plant tissue, that in the presence of an inorganic phosphate catalyzes the conversion of glycogen into sugar phosphate.


phosphorylase

/ fɒsˈfɒrɪˌleɪs; -ˌleɪz /

noun

  1. any of a group of enzymes that catalyse the hydrolysis of glycogen to glucose-1-phosphate
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word History and Origins

Origin of phosphorylase1

First recorded in 1935–40; phosphor- + -yl + -ase
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Word History and Origins

Origin of phosphorylase1

C20: from phosphorus + -yl + -ase
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Example Sentences

They focused on phosphorylase, an enzyme that exists in active and inactive forms, but at the time it was not known how or why those forms were different.

The crystal structure of a phosphorylase kinase peptide substrate complex: kinase substrate recognition.

From Nature

AGPase, ADP-glucose pyrophosphorylase; F16BP, fructose-1,6-biphosphatase; HexK, hexokinase; INV, invertase; PFK, phosphofructokinase; PFPP, pyrophosphate-fructose-6-phosphate-1-phosphotransferase; PGI, phosphoglucose isomerase; PGM, phosphoglucomutase; SBE, starch branching enzyme; SP, starch phosphorylase; SPP, sucrose phosphate phosphatase; SS, starch synthase; SuSy, sucrose synthase; SUPS, sucrose phosphate synthase; UDP-GPP, UDP-glucose pyrophosphorylase.

From Nature

AGPase, ADP-glucose pyrophosphorylase; F16BP, fructose-1,6-biphosphatase; HexK, hexokinase; INV, invertase; PFK, phosphofructokinase; PFPP, pyrophosphate-fructose-6-phosphate-1-phosphotransferase; PGI, phosphoglucose isomerase; PGM, phosphoglucomutase; SBE, starch branching enzyme; SP, starch phosphorylase; SPP, sucrose phosphate phosphatase; SS, starch synthase; SuSy, sucrose synthase; SUPS, sucrose phosphate synthase; UDP-GPP, UDP-glucose pyrophosphorylase.

From Nature

By contrast, in leaves, carbon-fixation-specific genes such as plastidic aldolase, fructose-1,6-biphosphatase and distinct leaf isoforms of starch synthase, starch branching enzyme, starch phosphorylase and ADP-glucose pyrophosphorylase were upregulated.

From Nature

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phosphorus trichloridephosphorylate