Cholesterol side-chain cleavage enzyme (CYP11A1) (CYP11A1)

Adrenal cortex cell mitochondria enzyme systems refer to the mitochondrial enzymes within adrenal cortical cells that catalyze steroidogenesis, notably the conversion of cholesterol to pregnenolone (the first step in all steroid hormone biosynthesis) via cholesterol side-chain cleavage enzyme (CYP11A1, P450scc)[2][4][6]. Additional mitochondrial enzymes, such as CYP11B1 (11β-hydroxylase) and CYP11B2 (aldosterone synthase), participate in later steps for specific hormone production. These enzyme systems are critical for synthesizing cortisol, aldosterone, androgens; they are vital drug targets for modulating adrenal hormone output in conditions ranging from adrenal insufficiency to hypercortisolism. The entry as written is too broad, as it encompasses several enzymes rather than specifying an individual molecular target[2][6]. If structured data is required for a specific molecule, CYP11A1 (cholesterol side-chain cleavage enzyme) is the proper, specific target name for adrenal mitochondrial steroidogenesis. For other steroidogenic steps, CYP11B1 (11β-hydroxylase) or CYP11B2 (aldosterone synthase) would be named analogously[2][4][6].

Other names

Cholesterol side-chain cleavage enzymeSide-chain cleavage enzymeCytochrome P450sccCYP11A1Mitochondrial cytochrome P450 enzymes

Inhibition of steroid hormone biosynthesis via CYP enzyme inhibition[2][4][6] Enzyme blockade (preventing conversion of cholesterol to pregnenolone/cortisol/aldosterone[2][6])