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Lipid Fluorescent Probes
PtdIns (4)-P1-fluorescein ammonium salt

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PtdIns (4)-P1-fluorescein ammonium salt

Catalog Number	A16-0058
Category	Lipid Fluorescent Probes
Molecular Formula	C46H58NO22P2·C18H46N3
Molecular Weight	1343.5

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Product Introduction

PtdIns-(4)-P1-fluorescein is a phosphatidylinositol (PtdIns) derivative that consists of PtdIns-(4)-P1 conjugated with fluorescein. PtdIns are membrane phospholipids that regulate the transmission of cellular signals. PtdIns-(4)-P1-fluorescein has been used in a range of cell types following delivery with polyamine carriers.

Chemical Information
Product Specification
Application

Synonyms	1-(1-octadecanoyl-fluorescein-2R-octadecanoylphosphatidyl)inositol-4-phosphate, triethylammonium salt
Purity	≥98%

Storage

Store at -20°C

PtdIns (4)-P1-fluorescein ammonium salt, a fluorescently labeled phosphoinositide, serves as a powerful tool in biochemical research for visualizing and exploring cellular processes. Here are four key applications of PtdIns (4)-P1-fluorescein ammonium salt:

Cell Membrane Studies: Delving into the dynamics of phosphoinositide distribution within the cell membrane, researchers employ this compound to gain insights. By fluorescently tagging phosphoinositides, scientists can track their localization and movements through fluorescence microscopy. This method aids in comprehending the intricate roles of phosphoinositides in cellular signaling and membrane traffic, shedding light on their complex interactions within the cellular framework.

Signal Transduction Research: In the realm of investigating signaling pathways involving phosphoinositides, PtdIns (4)-P1-fluorescein ammonium salt plays a pivotal role. Serving as integral components of second-messenger systems, phosphoinositides such as PtdIns (4)-P contribute significantly to cellular responses to external stimuli. Leveraging the fluorescent label, researchers can monitor these molecules, unraveling their participation in processes like cellular growth and differentiation with increasing clarity.

Assay Development: Aiding in the development of assays to quantify enzyme activity, particularly kinases and phosphatases modifying phosphoinositides, this fluorescently labeled phosphoinositide is indispensable. Through the utilization of fluorescence-based techniques, researchers can track changes in fluorescence intensity corresponding to enzymatic activities. This application holds paramount importance in endeavors related to drug discovery and development, focusing on targeting these enzymes for therapeutic interventions with precision.

Phosphoinositide-Protein Interaction Studies: Exploring the intricate interactions between phosphoinositides and binding proteins, the fluorescein-labeled PtdIns (4)-P1 facilitates in-depth investigations. Employing advanced techniques like fluorescence resonance energy transfer (FRET), scientists scrutinize these interactions both in vitro and in vivo. Understanding the nuances of these binding events is vital for decoding the mechanisms through which phosphoinositides exert regulatory control over cellular functions and signaling pathways, advancing our understanding of cellular processes at a molecular level.