ID 1.6.3.1 DE NAD(P)H oxidase. AN Dual oxidase. AN ThOX. AN THOX2. AN Thyroid NADPH oxidase. AN Thyroid oxidase. AN Thyroid oxidase 2. CA NAD(P)H + O(2) = NAD(P)(+) + H(2)O(2). CF Calcium; FAD; Heme. CC -!- When calcium is present, this transmembrane glycoprotein generates CC H(2)O(2) by transfering electrons from intracellular NAD(P)H to CC extracellular molecular oxygen. CC -!- The electron bridge within the enzyme contains one molecule of FAD CC and probably two heme groups. CC -!- This flavoprotein is expressed at the apical membrane of thyrocytes, CC and provides H(2)O(2) for the thyroid peroxidase-catalyzed CC biosynthesis of thyroid hormones. PR PROSITE; PDOC00394; DR O61213, DUOX1_CAEEL; Q9MZF4, DUOX1_CANFA; Q9NRD9, DUOX1_HUMAN; DR Q8HZK3, DUOX1_PIG ; Q8CIY2, DUOX1_RAT ; Q9NRD8, DUOX2_HUMAN; DR Q8HZK2, DUOX2_PIG ; Q9ES45, DUOX2_RAT ; Q9VQH2, DUOX_DROME ; //