PLP2, or phospholipase A2 group 2, is an enzyme that plays a crucial role in the metabolism of lipids. It is involved in the hydrolysis of phospholipids, which are essential components of cell membranes. By breaking down these lipids, PLP2 helps release fatty acids and lysophospholipids, which can be important for various cellular processes, including inflammation and cell signaling. This enzyme is part of a larger family of phospholipases, which are categorized based on their structure and function. PLP2 is particularly noted for its involvement in the immune response and has been studied for its potential implications in diseases such as asthma and atherosclerosis. Understanding PLP2's function can provide insights into therapeutic targets for these conditions.