preferred_name: L-tyrosine(in) + H(+)(in) => L-tyrosine(out) + H(+)(out)
preferred_name_lc: l-tyrosine(in) + h(+)(in) => l-tyrosine(out) + h(+)(out)
label: L-tyrosine(in) + H(+)(in) => L-tyrosine(out) + H(+)(out)
label_lc: l-tyrosine(in) + h(+)(in) => l-tyrosine(out) + h(+)(out)