A complex protein that is produced by living cells and which catalyzes specific biochemical reactions. There are six main types of enzymes, oxidoreductases, transferases, hydrolases, lyases, isomerases, and ligases.
(=> (Enzyme ?Self) (And (Exists (?A) (And (Product-Of ?Self ?A) (Cell-Function ?A))) (Exists (?B) (And (Catalyzes ?Self ?B) (Biochemical-Reaction ?B)))))