preferred_name: 4-aminobutanoate(out) + n H(+)(in) = 4-aminobutanoate(in) + n H(+)(out)
preferred_name_lc: 4-aminobutanoate(out) + n h(+)(in) = 4-aminobutanoate(in) + n h(+)(out)
label: 4-aminobutanoate(out) + n H(+)(in) = 4-aminobutanoate(in) + n H(+)(out)
label_lc: 4-aminobutanoate(out) + n h(+)(in) = 4-aminobutanoate(in) + n h(+)(out)