Research ArticleCELLULAR AND MOLECULAR
Cleavage of SNAP-25 by Botulinum Toxin Type A Requires Receptor-Mediated Endocytosis, pH-Dependent Translocation, and Zinc
Sarinee Kalandakanond and Julie A. Coffield
Journal of Pharmacology and Experimental Therapeutics March 2001, 296 (3) 980-986;