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Limited treatment of Clostridium botulinum type A neurotoxin with trypsin resulted in the cleavage of the heavy (95000 Da) subunit at approximately the mid-position and a loss of toxic activity. The(More)
A competitive inhibition enzyme-linked immunosorbent assay (ELISA) was developed to detect antibodies in serum to the protective antigen (PA) and lethal factor (LF) components of anthrax toxin.(More)
Types A, B, and C1 botulinum neurotoxin (BoNT), a group of selective Zn2+-dependent endoproteases, have been instrumental in demonstrating that their respective substrates [synaptosomal-associated(More)