L-phenylalanyl-L-methionine + L-tyrosylglycylglycine => Met-enkephalin + H2O
l-phenylalanyl-l-methionine + l-tyrosylglycylglycine => met-enkephalin + h2o
L-phenylalanyl-L-methionine + L-tyrosylglycylglycine => Met-enkephalin + H2O
l-phenylalanyl-l-methionine + l-tyrosylglycylglycine => met-enkephalin + h2o