Erratum to “An activity-based probe for the determination of cysteine cathepsin protease activities in whole cells” [Anal. Biochem. 335 (2004) 218-227]
a Departments of Biochemistry and Molecular Biology and Medicinal Chemistry, Merck Frosst Centre for Therapeutic Research, Kirkland, Que., Canada b Merck Research Laboratories, West Point, PA, USA c Celera, South San Francisco, CA, USA