L-tryptophan + a fatty acid => an N-(fatty acyl)-L-tryptophan + H2O
l-tryptophan + a fatty acid => an n-(fatty acyl)-l-tryptophan + h2o
L-tryptophan + a fatty acid => an N-(fatty acyl)-L-tryptophan + H2O
l-tryptophan + a fatty acid => an n-(fatty acyl)-l-tryptophan + h2o