The endopeptidase assay measures the biological activity of botulinum neurotoxins by detecting the N terminus of the cleaved fusion proteins (SNAP-25, VAMP, or syntaxin) (Hallis et al., 1996).
Theendopeptidase assay measures the biological activity ofbotulinum neurotoxins by detecting the N terminus of thecleaved fusion proteins (SNAP-25, VAMP, or syntaxin)(Hallis et al., 1996).