EMDB, or the Enzyme Molecular Database, is a comprehensive online resource that provides detailed information about enzymes and their properties. It includes data on enzyme structures, functions, and the biochemical reactions they catalyze, making it a valuable tool for researchers in the fields of biochemistry and molecular biology. The database is designed to facilitate the study of enzymes by offering easy access to curated information, including enzyme classifications and related literature. Users can search for specific enzymes or browse through categories, helping them to better understand the roles of enzymes in various biological processes and applications.