propane-1,3-diamine + CO2 => L-2,4-diaminobutanoate + H(+)
propane-1,3-diamine + co2 => l-2,4-diaminobutanoate + h(+)
propane-1,3-diamine + CO2 => L-2,4-diaminobutanoate + H(+)
propane-1,3-diamine + co2 => l-2,4-diaminobutanoate + h(+)