RT Journal Article SR Electronic T1 The Fluorescent Labeling of Mitochondrial Monoamine Oxidase JF Molecular Pharmacology JO Mol Pharmacol FD American Society for Pharmacology and Experimental Therapeutics SP 726 OP 734 VO 13 IS 4 A1 ROBERT R. RANDO YR 1977 UL http://molpharm.aspetjournals.org/content/13/4/726.abstract AB Purified mitochondrial monoamine oxidase is specifically and irreversibly labeled by 5'-(N-dansyl)cadaveryl-p-carboxymethylpargyline, a fluorescent analogue of the drug pargyline. The dansyl moiety is bound in a polar environment and has rotational degrees of freedom independent of the macromolecule. Since monoamine oxidase is found only in the outer mitochondrial membrane, probes of this type can be used to monitor chemical events occurring there. ACKNOWLEDGMENTS I thank Mrs. F. W. Bangerter for her excellent technical assistance, and Professor Lars Oreland for his generous gift of purified pig liver monoamine oxidase.