Phosphoenzyme
noun ·Rare ·Advanced level
Definitions
- 1 The phosphorylated form of an enzyme
"Indeed, every reaction step measured in the Na,K-ATPase reaction cycle was significantly affected by the concentration of cholesterol: the phosphoenzyme levels increased, the apparent ATP affinity increased, the cytoplasmic Na + activation was inhibited at high Na + concentrations, and the rate of phosphorylation and of spontaneous and K + -activated dephosphorylation increased[51 –53 ]."
Example
More examples"Indeed, every reaction step measured in the Na,K-ATPase reaction cycle was significantly affected by the concentration of cholesterol: the phosphoenzyme levels increased, the apparent ATP affinity increased, the cytoplasmic Na + activation was inhibited at high Na + concentrations, and the rate of phosphorylation and of spontaneous and K + -activated dephosphorylation increased[51 –53 ]."
Etymology
From phospho- + enzyme.
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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.