preferred_name: 4-hydroxy-L-proline(out) + H(+)(out) => 4-hydroxy-L-proline(in) + H(+)(in)
preferred_name_lc: 4-hydroxy-l-proline(out) + h(+)(out) => 4-hydroxy-l-proline(in) + h(+)(in)
label: 4-hydroxy-L-proline(out) + H(+)(out) => 4-hydroxy-L-proline(in) + H(+)(in)
label_lc: 4-hydroxy-l-proline(out) + h(+)(out) => 4-hydroxy-l-proline(in) + h(+)(in)