POR and congenital adrenal hyperplasia: The mutation-driven changes in the 3D structure of the POR enzyme could lead to a medical condition known as cytochrome P450 oxidoreductase deficiency (PORD) (OMIM: 613571), which is an autosomal recessive genetic disorder and can also be categorized as a rare congenital adrenal hyperplasia (CAH) [3,8].