Acetylcholinesterase from electric eel is widely used in biochemical research and diagnostic applications. It plays a crucial role in studying enzyme kinetics and mechanisms, particularly in understanding how acetylcholinesterase inhibitors work. This enzyme is employed in the development and testing of pharmaceuticals, especially for drugs targeting neurodegenerative diseases like Alzheimer's, where acetylcholinesterase activity is a key focus. Additionally, it is utilized in environmental monitoring to detect and measure the presence of pesticides and nerve agents that inhibit acetylcholinesterase, helping assess their impact on ecosystems and human health. In laboratory settings, it serves as a tool for screening potential therapeutic compounds and evaluating their efficacy in modulating enzyme activity.