L-tryptophan(out) + ATP + H2O <=> L-tryptophan(in) + ADP + phosphate + H(+)
l-tryptophan(out) + atp + h2o <=> l-tryptophan(in) + adp + phosphate + h(+)
L-tryptophan(out) + ATP + H2O <=> L-tryptophan(in) + ADP + phosphate + H(+)
l-tryptophan(out) + atp + h2o <=> l-tryptophan(in) + adp + phosphate + h(+)