Protein binding is a specialized skill that involves the study of the interactions between proteins and other molecules, such as drugs or DNA. This field of study is important in the development of new drugs, as it can help researchers to understand how drugs interact with proteins in the body and how to design drugs to be more effective. It also has applications in diagnostic tests, environmental monitoring, and other fields. Protein binding requires a thorough understanding of biochemistry, molecular biology, and other related disciplines, and is typically carried out by researchers with advanced degrees in these fields.