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