</s> ▁In ▁en zym ology , ▁a ▁py ru v ate ▁ox id ase ▁() ▁is ▁an ▁en zym e ▁that ▁catal y zes ▁the ▁chemical ▁reaction ▁ ▁py ru v ate ▁+ ▁ph osph ate ▁+ ▁O 2 ▁ ▁ac et yl ▁ph osph ate ▁+ ▁CO 2 ▁+ ▁H 2 O 2 ▁ ▁The ▁ 3 ▁substr ates ▁of ▁this ▁en zym e ▁are ▁py ru v ate , ▁ph osph ate , ▁and ▁O 2 , ▁whereas ▁its ▁ 3 ▁products ▁are ▁ac et yl ▁ph osph ate , ▁CO 2 , ▁and ▁H 2 O 2 . ▁ ▁This ▁en zym e ▁belongs ▁to ▁the ▁family ▁of ▁ox id ored uct ases , ▁specifically ▁those ▁acting ▁on ▁the ▁al de hy de ▁or ▁ox o ▁group ▁of ▁don or ▁with ▁o xygen ▁as ▁accept or . ▁ ▁The ▁system atic ▁name ▁of ▁this ▁en zym e ▁class ▁is ▁py ru v ate : ox y gen ▁ 2 - ox id ored uct ase ▁( ph osph ory l ating ). ▁Other ▁names ▁in ▁common ▁use ▁include ▁py ru vic ▁ox id ase , ▁and ▁ph osph ate - dependent ▁py ru v ate ▁ox id ase . ▁ ▁This ▁en zym e ▁particip ates ▁in ▁py ru v ate ▁met abol ism . ▁ ▁It ▁has ▁ 2 ▁c of act ors : ▁F AD , ▁ ▁and ▁Th iam in ▁di ph osph ate . ▁ ▁Struct ural ▁studies ▁ ▁As ▁of ▁late ▁ 2 0 0