Cerebellin is a 16-amino acid peptide, originally isolated from rat cerebellum, whose presence has been recently demonstrated in the human adrenal glands and especially in medullary chromaffin cells.

4-Azido-L-phenylalanine (p-Azido-L-phenylalanine) is an amino acid derivative that acts as a photoaffinity marker and can be used to detect localized protein environments.

Cuscutamine has luciferase-inducing activity and can significantly stimulate cancer cell proliferation.