👉 Sphingine is a type of amino acid that is not found in nature but can be synthesized through various reactions. It is one of the seven known classes of amino acids, along with leucine, valine, isoleucine, methionine, tryptophan, arginine, and glutamine. Sphingine is important for the function of several enzymes involved in cellular metabolism, including those that catalyze the synthesis of cholesterol and other lipids. S