UDP-2-acetamido-2-deoxy-alpha-D-glucuronate + H(+) <=> UDP-N-acetyl-alpha-D-xylosamine + CO2
udp-2-acetamido-2-deoxy-alpha-d-glucuronate + h(+) <=> udp-n-acetyl-alpha-d-xylosamine + co2
UDP-2-acetamido-2-deoxy-alpha-D-glucuronate + H(+) <=> UDP-N-acetyl-alpha-D-xylosamine + CO2
udp-2-acetamido-2-deoxy-alpha-d-glucuronate + h(+) <=> udp-n-acetyl-alpha-d-xylosamine + co2