(E)-3-(indol-3-yl)acrylate + NH4(+) => L-tryptophan
(e)-3-(indol-3-yl)acrylate + nh4(+) => l-tryptophan
(E)-3-(indol-3-yl)acrylate + NH4(+) => L-tryptophan
(e)-3-(indol-3-yl)acrylate + nh4(+) => l-tryptophan