phosphorylase

American  

[fos-fer-uh-leys, -leyz, fos-fawr-uh-, -for-] / ˈfɒs fər əˌleɪs, -ˌleɪz, fɒsˈfɔr ə-, -ˈfɒr- /

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.

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phosphorylase British  

/ fɒsˈfɒrɪˌleɪs, -ˌleɪz /

noun

1. any of a group of enzymes that catalyse the hydrolysis of glycogen to glucose-1-phosphate

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Etymology

Origin of phosphorylase

First recorded in 1935–40; phosphor- + -yl + -ase

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.

From Washington Post

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