- Tel: 858.663.9055
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Email: info@nsjbio.com
- Tel: 858.663.9055
- Email: info@nsjbio.com
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PIP5K1B antibody detects Phosphatidylinositol-4-phosphate 5-kinase type 1 beta, a lipid kinase that catalyzes the phosphorylation of phosphatidylinositol-4-phosphate to generate phosphatidylinositol-4,5-bisphosphate, a key signaling lipid controlling actin dynamics and membrane trafficking. PIP5K1B regulates cellular architecture, vesicle transport, and signal transduction by producing pools of phosphatidylinositol-4,5-bisphosphate that recruit actin-binding and signaling proteins to membranes. The PIP5K1B antibody is widely used in cell signaling, neurobiology, and cancer research to study phosphoinositide metabolism and actin regulation.
PIP5K1B is encoded by the PIP5K1B gene on human chromosome 9q34.11. The protein is approximately 540 amino acids long and localizes mainly to the plasma membrane, with additional pools at the Golgi and endosomal compartments. As a member of the phosphatidylinositol-4-phosphate 5-kinase type I family, PIP5K1B works in concert with its isoforms PIP5K1A and PIP5K1C to sustain local lipid signaling domains that control cytoskeletal remodeling and vesicular trafficking.
The PIP5K1B antibody detects a 68 kilodalton band by western blot and shows strong plasma-membrane enrichment under immunofluorescence microscopy. PIP5K1B contributes to the organization of stress fibers and focal adhesions by controlling actin polymerization. It also modulates membrane ruffling, clathrin-mediated endocytosis, and vesicle docking. In neurons, PIP5K1B maintains synaptic vesicle recycling and presynaptic architecture by sustaining phosphatidylinositol-4,5-bisphosphate-dependent protein interactions.
Mutations or reduced expression of PIP5K1B have been associated with parkinsonism-dystonia syndromes, where impaired phosphoinositide metabolism leads to defective membrane trafficking and axonal degeneration. Dysregulation of PIP5K1B activity also contributes to cancer cell invasion through enhanced focal-adhesion turnover and migration. As a central regulator of lipid-signaling microdomains, PIP5K1B acts as a molecular hub linking mechanical and biochemical cues at the cell membrane.
Because PIP5K1B integrates phospholipid metabolism with cytoskeletal regulation, it provides insight into how membrane signaling orchestrates cellular architecture and motility. NSJ Bioreagents provides a validated PIP5K1B antibody optimized for its applications, supporting research into membrane dynamics, neuronal trafficking, and actin-based motility.
Optimal dilution of the PIP5K1B antibody should be determined by the researcher.
E.coli-derived human PIP5K1B recombinant protein (Position: R394-L540) was used as the immunogen for the PIP5K1B antibody.
After reconstitution, the PIP5K1B antibody can be stored for up to one month at 4oC. For long-term, aliquot and store at -20oC. Avoid repeated freezing and thawing.
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