... usingethyl acetate/cyclohexane (2 : 3) as a solvent, withdansylated derivatives of known polyamines serving asmarkers. The individual polyamines were visualized byUV illumination.RESULTSAntizyme ... ubiquitin system forits degradation.DISCUSSIONAntizyme is a unique cellular regulatory protein that is bothregulated by polyamines and regulates polyamine metabo-lism in a feedback loop. Antizyme ... S., Matsufuji, T., Miyazaki, Y. , Murakami, Y. , Atkins,J.F., Gesteland, R.F. & Hayashi, S. (1995) Autoregulatory frame-shifting in decoding mammalian ornithine decarboxylase anti-zyme....