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(+) => 4-guanidinobutanal + co2