serine family of amino acids. chemical molecular formulas of the amino acids serine, cysteine, glycine.

serine family chemical amino acids cysteine illustration pyruvate molecular formulas alanine valine leucine vector glutamate glutamine arginine proline aspartate asparagine threonine isoleucine methionine lysine medicine symbol organic glycin atom science isolated medical acid set glutamic formula structure chemistry tryptophan molecule atomic