Phosphatidic Acid Phosphohydrolase is commonly referred to as PAP, which stands for Phosphatidic Acid Phosphohydrolase. Synonyms for this term include Phosphatidate Phosphohydrolase, PA-PPase, and PAP2. PAP is an enzyme that plays a vital role in lipid metabolism, specifically in the breakdown of phosphatidic acid. Phosphatidic Acid Phosphohydrolase is responsible for converting phosphatidic acid into diacylglycerol, an essential molecule in various cellular processes. The enzyme's alternate names reflect its primary function and its classification in different biochemical pathways. These synonyms are commonly used interchangeably, facilitating effective communication among researchers and experts studying lipid metabolism.