Enzyme:1.7.3.3

Upper Levels: EC1.-.-.- Oxidoreductases. : EC1.7.-.- Acting on other nitrogenous compounds as donors. : EC1.7.3.- With oxygen as acceptor.

IDs and Links
IUBMB	EC1
ExPaSy	NiceZyme 1.7.3.3

urate:oxygen oxidoreductase
Systematic Name	urate:oxygen oxidoreductase
Common Name	urate oxidase uric acid oxidase uricase uricase II

5-Hydroxy isouric acid + H2O = CO2 + (S)(+)-Allantoin (links: 5-Hydroxy-3,7-dihydropurine-2,6,8-trione = CO2 +  (S) (+) -Allantoin)
5-Hydroxy-3,7-dihydropurine-2,6,8-trione <Mapping> AtomMap:BMCCPUXAp003$BMXXSX--0007$0 CO2 6 ↔ 1 5-Hydroxy-3,7-dihydropurine-2,6,8-trione <Mapping> AtomMap:BMCCPUXAp003$BMMCIZ--l002$0 (S) (+) -Allantoin 1 ↔ 8 2 ↔ 7 3 ↔ 6 4 ↔ 5 5 ↔ 4 7 ↔ 3 8 ↔ 2 9 ↔ 1

Uric acid + O2 = 5-Hydroxy isouric acid + H2O (links: 7,9-Dihydro-3H-purine-2,6,8-trione = 5-Hydroxy-3,7-dihydropurine-2,6,8-trione)
7,9-Dihydro-3H-purine-2,6,8-trione <Mapping> AtomMap:BMCCPUXAp020$BMCCPUXAp003$0 5-Hydroxy-3,7-dihydropurine-2,6,8-trione 1 ↔ 1 2 ↔ 2 3 ↔ 3 4 ↔ 4 5 ↔ 5 6 ↔ 6 7 ↔ 7 8 ↔ 8 9 ↔ 9

5-Hydroxy isouric acid + H2O = CO2 + (R)(-)-Allantoin (links: 5-Hydroxy-3,7-dihydropurine-2,6,8-trione = CO2 +  (R) (-) -Allantoin)
5-Hydroxy-3,7-dihydropurine-2,6,8-trione <Mapping> AtomMap:BMCCPUXAp003$BMXXSX--0007$0 CO2 6 ↔ 1 5-Hydroxy-3,7-dihydropurine-2,6,8-trione <Mapping> AtomMap:BMCCPUXAp003$BMMCIZ--l001$0 (R) (-) -Allantoin 1 ↔ 8 2 ↔ 7 3 ↔ 6 4 ↔ 5 5 ↔ 4 7 ↔ 3 8 ↔ 2 9 ↔ 1