- Direct photoaffinity labeling of proteins with adenosine 3'-[32P]phosphate 5'-phosphosulfate. Atractyloside inhibits labeling of a Mr = 34,000 protein in an adrenal medullary Golgi fraction. Lee, R.W., Suchanek, C., Huttner, W.B. J. Biol. Chem. (1984)