Recombinant Human PIP5K1A Protein, N-His

Introduction

The Recombinant Human PIP5K1A Protein is a crucial enzyme involved in the biosynthesis of phosphatidylinositol 4,5-bisphosphate (PIP2) from phosphatidylinositol 5-phosphate (PIP). This protein is encoded by the PIP5K1A gene and is a member of the phosphatidylinositol-4-phosphate 5-kinase family. It plays a crucial role in various cellular processes such as cell signaling, cytoskeleton rearrangement, and membrane trafficking. In this article, we will discuss the structure, activity, and applications of this important recombinant protein.

Structure of Recombinant Human PIP5K1A Protein

The Recombinant Human PIP5K1A Protein is a 56 kDa protein consisting of 500 amino acids. It contains a C-terminal kinase domain, a central helix-rich region, and an N-terminal pleckstrin homology (PH) domain. The PH domain is responsible for binding to PIP2 and other phospholipids, while the kinase domain is responsible for catalyzing the conversion of PIP to PIP2. The helix-rich region is involved in protein-protein interactions and is essential for the regulation of PIP5K1A activity.

Activity of Recombinant Human PIP5K1A Protein

The Recombinant Human PIP5K1A Protein is a lipid kinase that phosphorylates PIP to produce PIP2. This phosphorylation reaction is essential for the maintenance of PIP2 levels in the cell, which is crucial for various cellular processes. PIP2 is a key signaling molecule that regulates the activity of many proteins, including ion channels, G protein-coupled receptors, and cytoskeletal proteins. PIP5K1A activity is also regulated by various factors such as calcium, phosphatidylinositol 3,4,5-trisphosphate (PIP3), and protein-protein interactions.

Regulation of PIP5K1A Activity

The activity of PIP5K1A is regulated by various mechanisms to ensure tight control over PIP2 levels in the cell. One of the key regulators is calcium, which binds to the PH domain of PIP5K1A and enhances its kinase activity. Another important regulator is PIP3, which competes with PIP2 for binding to the PH domain and inhibits PIP5K1A activity. Additionally, PIP5K1A activity is also regulated by protein-protein interactions with other cellular proteins, such as Rho GTPases and small G proteins.

Applications of Recombinant Human PIP5K1A Protein

The Recombinant Human PIP5K1A Protein has various applications in both research and biotechnology. One of its main applications is in studying the role of PIP2 in cellular processes. Recombinant PIP5K1A can be used to study the effects of PIP2 depletion or overexpression on cell signaling, cytoskeleton organization, and membrane trafficking. It can also be used to investigate the role of PIP5K1A in diseases such as cancer, diabetes, and neurodegenerative disorders.

Use in Drug Discovery

Recombinant PIP5K1A has also been used in drug discovery for the development of PIP5K1A inhibitors. These inhibitors can be potentially used as therapeutic agents for diseases where PIP5K1A activity is dysregulated, such as cancer and autoimmune disorders. Furthermore, recombinant PIP5K1A can also be used in high-throughput screening assays to identify novel compounds that modulate PIP5K1A activity.

Production of Antibodies

Recombinant Human PIP5K1A Protein