All of the following are true about Xanthine oxidase, EXCEPT:
Contains iron
Contains molybdenum
Flavoprotein
Produces H2O
Xanthine oxidase is a flavoprotein containing both molybdenum and iron-sulphur clusters. Deficiency of xanthine oxidase leads to hyperuricemia. Look at the reaction. Xanthine oxidase produces H2O2(Hydrogen peroxide), not H2O.
Cofactor and prosthetic groups