an L-amino acid tripeptide(in) + H(+)(in) => an L-amino acid tripeptide(out) + H(+)(out)
an l-amino acid tripeptide(in) + h(+)(in) => an l-amino acid tripeptide(out) + h(+)(out)
an L-amino acid tripeptide(in) + H(+)(in) => an L-amino acid tripeptide(out) + H(+)(out)
an l-amino acid tripeptide(in) + h(+)(in) => an l-amino acid tripeptide(out) + h(+)(out)