Orotic aciduria is due to deficiency of
Decarboxylase
Tyrosinase
Isomerase
Homogentisate oxidase
Orotic aciduria an autosomal recessive disorder, can be caused by a deficiency in the enzyme UMPS, a bifunctional protein that includes the enzyme activities of orotate phosphoribosyltransferase and orotidine 5'-phosphate decarboxylase.
Metabolism of nucleic acids