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