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Phosphatidylinositol 4-Kinase Type III Beta (PI4KB)
- Target
- PI4KB
- Molecular classification
- Lipid Kinase, Enzyme
01
Overview
Phosphatidylinositol 4-kinase type III beta (PI4KB) is a lipid kinase enzyme that catalyzes the phosphorylation of phosphatidylinositol (PI) to generate phosphatidylinositol 4-phosphate (PI4P), a key intermediate in the biosynthesis of other important signaling lipids. PI4KB plays essential roles in cell biology, including regulation of membrane trafficking, cell shape, migration, and focal adhesion dynamics. It has emerged as a promising drug target for viral infections and malaria due to its involvement in viral replication platforms and parasite survival.
- Other names
- PI4KIIIβPI(4)KIIIβ
02
Mechanism of action
Inhibition of PI4KB prevents PI4P production, disrupting viral replication and/or parasite survival.
03
Biological functions
Phosphatidylinositol phosphorylationMembrane traffickingCell shape regulationCell motilityFocal adhesion dynamicsLysosome organization
04
Disease associations
Infection (viral and parasitic)CancerMalaria
05
Safety considerations
Potential for off-target effects due to the role of PI4KB in normal cellular function.Development of resistance in viruses or parasites.
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