4-guanidinobutanal + CO2 => 5-guanidino-2-oxopentanoate + H(+)
4-guanidinobutanal + co2 => 5-guanidino-2-oxopentanoate + h(+)
4-guanidinobutanal + CO2 => 5-guanidino-2-oxopentanoate + H(+)
4-guanidinobutanal + co2 => 5-guanidino-2-oxopentanoate + h(+)