an L-amino acid tripeptide(in) + 2 H(+)(in) => an L-amino acid tripeptide(out) + 2 H(+)(out)
an l-amino acid tripeptide(in) + 2 h(+)(in) => an l-amino acid tripeptide(out) + 2 h(+)(out)
an L-amino acid tripeptide(in) + 2 H(+)(in) => an L-amino acid tripeptide(out) + 2 H(+)(out)
an l-amino acid tripeptide(in) + 2 h(+)(in) => an l-amino acid tripeptide(out) + 2 h(+)(out)