UDP-alpha-D-glucuronate + H(+) <=> UDP-alpha-D-apiose + CO2
udp-alpha-d-glucuronate + h(+) <=> udp-alpha-d-apiose + co2
UDP-alpha-D-glucuronate + H(+) <=> UDP-alpha-D-apiose + CO2
udp-alpha-d-glucuronate + h(+) <=> udp-alpha-d-apiose + co2