What does AST do for the body?

Could you elaborate on the benefits and functions of AST for the human body? AST, often referred to as aspartate aminotransferase, is an enzyme found in various tissues, primarily the liver. But what specific role does it play? Does it aid in metabolism? Protect against certain diseases? Or is it involved in other bodily processes? Understanding the full scope of AST's functionality in the body could help us appreciate its importance and any potential implications for health.