urate + succinate + CO2 => xanthine + 2-oxoglutarate + O2
urate + succinate + co2 => xanthine + 2-oxoglutarate + o2
urate + succinate + CO2 => xanthine + 2-oxoglutarate + O2
urate + succinate + co2 => xanthine + 2-oxoglutarate + o2