What rhymes with 1-phosphatidylinositol 4-kinase?
1-phosphatidyli·nos·i·tol 4-kinase

In enzymology, a 1-phosphatidylinositol 4-kinase (EC 2.7.1.67) is an enzyme that catalyzes the chemical reaction ATP + 1-phosphatidyl-1D-myo-inositol ⇌ {\displaystyle \rightleftharpoons } ADP + 1-phosphatidyl-1D-myo-inositol 4-phosphateThus, the two substrates of this enzyme are ATP and 1-phosphatidyl-1D-myo-inositol, whereas its two products are ADP and 1-phosphatidyl-1D-myo-inositol 4-phosphate. This enzyme belongs to the family of transferases, specifically those transferring phosphorus-containing groups (phosphotransferases) with an alcohol group as acceptor. The systematic name of this enzyme class is ATP:1-phosphatidyl-1D-myo-inositol 4-phosphotransferase. Other names in common use include phosphatidylinositol kinase (phosphorylating), phosphatidylinositol 4-kinase, phosphatidylinositol kinase, type II phosphatidylinositol kinase, PI kinase, and PI 4-kinase. This enzyme participates in inositol phosphate metabolism and phosphatidylinositol signaling system.

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