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Phosphorylase - Wikipedia, the free encyclopedia (194 words) |
 | Phosphorylase is a family of allosteric enzymes that catalyze the production of glucose-1-phosphate from a polyglucose such as glycogen, starch or maltodextrin. |
| More generally, phosphorylases are enzymes that catalyze the addition of a phosphate group from an inorganic phosphate (phosphate+hydrogen) to an acceptor. |
| Phosphorylase a is the active form of glycogen phosphorylase that is derived from the phosphorylation of the inactive form, phosphorylase b. |
| Interaction between Glycogen Phosphorylase and Sarcoplasmic Reticulum Membranes and Its Functional Implications -- ... (5449 words) |
| Binding of glycogen phosphorylase b to SR membranes is accompanied by inhibition of its activity in the presence of AMP. |
| The polysaccharide synthesized by phosphorylase b activity is linear (Graves and Wang, 1972), and the spectral characteristics of the complex of the polysaccharide synthesized by SR membranes with I |
| The concentration of phosphorylase b in the supernatant (free phosphorylase b) was determined by measuring the concentration of PLP as described under ''Materials and Methods.`` The concentration of phosphorylase b bound to the membrane was calculated as the difference between total and free phosphorylase b. |
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