Biochemistry Topics, Specialized Topics
Last Updated: March 27, 2026 Sources of NADPH The reduced form of nicotinamide adenine dinucleotide phosphate (NADPH) is critical to numerous reductive biosynthetic processes such as fatty acid synthesis, cholesterol synthesis, bile acid synthesis, steroid hormone...
Cellular & Molecular Biology, Specialized Enzymes, Specialized Topics
Last Updated: November 12, 2025 Introduction to Cytochrome P450 (CYP) Enzymes Enzymes of the cytochrome P450 (CYP) superfamily are all heme-containing enzymes. The term cytochrome P450 stems from the fact that the proteins are members of the cytochrome (heme...
Hormones: Steroid & Peptide, Specialized Topics
Last Updated: April 14, 2026 Introduction to the Steroid Hormones The steroid hormones are all derived from cholesterol. Moreover, with the exception of vitamin D, they all contain the same cyclopentanophenanthrene ring and atomic numbering system as cholesterol....
