Related MeSH Hierarchy (6)
Chemicals and Drugs [D] » Enzymes and Coenzymes [D08] » Cytochromes » Cytochrome P-450 Enzyme System » Cytochrome P450 Family 11 » Cholesterol Side-Chain Cleavage Enzyme
Chemicals and Drugs [D] » Enzymes and Coenzymes [D08] » Cytochromes » Cytochrome P-450 Enzyme System » Steroid Hydroxylases » Cholesterol Side-Chain Cleavage Enzyme
Chemicals and Drugs [D] » Enzymes and Coenzymes [D08] » Enzymes » Oxidoreductases » Oxygenases » Mixed Function Oxygenases » Cytochrome P-450 Enzyme System » Cytochrome P450 Family 11 » Cholesterol Side-Chain Cleavage Enzyme
Chemicals and Drugs [D] » Enzymes and Coenzymes [D08] » Enzymes » Oxidoreductases » Oxygenases » Mixed Function Oxygenases » Cytochrome P-450 Enzyme System » Steroid Hydroxylases » Cholesterol Side-Chain Cleavage Enzyme
Chemicals and Drugs [D] » Amino Acids, Peptides, and Proteins [D12] » Proteins » Hemeproteins » Cytochromes » Cytochrome P-450 Enzyme System » Cytochrome P450 Family 11 » Cholesterol Side-Chain Cleavage Enzyme
Chemicals and Drugs [D] » Amino Acids, Peptides, and Proteins [D12] » Proteins » Hemeproteins » Cytochromes » Cytochrome P-450 Enzyme System » Steroid Hydroxylases » Cholesterol Side-Chain Cleavage Enzyme
Description
A mitochondrial cytochrome P450 enzyme that catalyzes the side-chain cleavage of C27 cholesterol to C21 pregnenolone in the presence of molecular oxygen and NADPH-FERRIHEMOPROTEIN REDUCTASE. This enzyme, encoded by CYP11A1 gene, catalyzes the breakage between C20 and C22 which is the initial and rate-limiting step in the biosynthesis of various gonadal and adrenal steroid hormones. MeSH
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