preferred_name: (S)-3-hydroxybutanoate(out) + H(+)(out) <=> (S)-3-hydroxybutanoate(in) + H(+)(in)
preferred_name_lc: (s)-3-hydroxybutanoate(out) + h(+)(out) <=> (s)-3-hydroxybutanoate(in) + h(+)(in)
label: (S)-3-hydroxybutanoate(out) + H(+)(out) <=> (S)-3-hydroxybutanoate(in) + H(+)(in)
label_lc: (s)-3-hydroxybutanoate(out) + h(+)(out) <=> (s)-3-hydroxybutanoate(in) + h(+)(in)