1-phosphatidylinositol-3-phosphate 5-kinase

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1-phosphatidylinositol-3-phosphate 5-kinase
Identifiers
EC no. 2.7.1.150
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In enzymology, a 1-phosphatidylinositol-3-phosphate 5-kinase (EC 2.7.1.150) is an enzyme that catalyzes the chemical reaction

ATP + 1-phosphatidyl-1D-myo-inositol 3-phosphate ⇌ ADP + 1-phosphatidyl-1D-myo-inositol 3,5-bisphosphate

Thus, the two substrates of this enzyme are ATP and 1-phosphatidyl-1D-myo-inositol 3-phosphate, whereas its two products are ADP and 1-phosphatidyl-1D-myo-inositol 3,5-bisphosphate.

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-3-phosphate 5-phosphotransferase. Other names in common use include type III PIP kinase, and phosphatidylinositol 3-phosphate 5-kinase. This enzyme participates in phosphatidylinositol signaling system and regulation of actin cytoskeleton.

Related Research Articles

<span class="mw-page-title-main">Phosphatidylinositol</span> Chemical compound

Phosphatidylinositol consists of a family of lipids made of a phosphate group, two fatty acid chains, and one inositol molecule. They represent a class of the phosphatidylglycerides. Typically phosphatidylinositols form a minor component on the cytosolic side of eukaryotic cell membranes. The phosphate group gives the molecules a negative charge at physiological pH.

The enzyme inositol-1,4-bisphosphate 1-phosphatase (EC 3.1.3.57) catalyzes the reaction

The enzyme phosphatidylinositol-3,4,5-trisphosphate 3-phosphatase (EC 3.1.3.67) catalyzes the chemical reaction

The enzyme phosphatidylinositol-3,4-bisphosphate 4-phosphatase (EC 3.1.3.66) that catalyzes the reaction

The enzyme phosphatidylinositol-3-phosphatase (EC 3.1.3.64) catalyzes the reaction

The enzyme phosphoinositide 5-phosphatase (EC 3.1.3.36) catalyzes the reaction

<span class="mw-page-title-main">1-phosphatidylinositol 4-kinase</span> Class of enzymes

In enzymology, a 1-phosphatidylinositol 4-kinase is an enzyme that catalyzes the chemical reaction

In enzymology, 1-phosphatidylinositol-4-phosphate 5-kinase is an enzyme that catalyzes the chemical reaction

In enzymology, a 1-phosphatidylinositol-5-phosphate 4-kinase is an enzyme that catalyzes the chemical reaction

In enzymology, a diphosphoinositol-pentakisphosphate kinase is an enzyme that catalyzes the chemical reaction

In enzymology, an inositol 3-kinase is an enzyme that catalyzes the chemical reaction

In enzymology, an inositol-pentakisphosphate 2-kinase is an enzyme that catalyzes the chemical reaction

In enzymology, an inositol-tetrakisphosphate 1-kinase is an enzyme that catalyzes the chemical reaction

In enzymology, an inositol-tetrakisphosphate 5-kinase is an enzyme that catalyzes the chemical reaction

In enzymology, a phosphatidylinositol-4,5-bisphosphate 3-kinase is an enzyme that catalyzes the chemical reaction:

In enzymology, a phosphatidylinositol-4-phosphate 3-kinase is an enzyme that catalyzes the chemical reaction

Bisphosphate may refer to:

Inositol-polyphosphate multikinase is an enzyme with systematic name ATP:1D-myo-inositol-1,4,5-trisphosphate 6-phosphotransferase. This enzyme catalyses the following chemical reaction

Inositol-hexakisphosphate kinase is an enzyme with systematic name ATP:1D-myo-inositol-hexakisphosphate 5-phosphotransferase. This enzyme catalyses the following chemical reaction

Phosphatidylinositol-4,5-bisphosphate 4-phosphatase (EC 3.1.3.78, phosphatidylinositol-4,5-bisphosphate 4-phosphatase I, phosphatidylinositol-4,5-bisphosphate 4-phosphatase II, type I PtdIns-4,5-P2 4-Ptase, type II PtdIns-4,5-P2 4-Ptase, IpgD, PtdIns-4,5-P2 4-phosphatase type I, PtdIns-4,5-P2 4-phosphatase type II, type I phosphatidylinositol-4,5-bisphosphate 4-phosphatase, type 1 4-phosphatase) is an enzyme with systematic name 1-phosphatidyl-1D-myo-inositol-4,5-bisphosphate 4-phosphohydrolase. This enzyme catalyses the following chemical reaction

References


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