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 => udp-alpha-d-glucuronate + h(+)