Article
Neutralisation of specific surface carboxylates speeds up translocation of botulinum neurotoxin type B enzymatic domain.
FEBS letters - 29 Nov 2013
Pirazzini Marco, Henke Tina, Rossetto Ornella, Mahrhold Stefan, Krez Nadja, Rummel Andreas, Montecucco Cesare, Binz Thomas
Abstract excerpt
Botulinum neurotoxins translocate their enzymatic domain across vesicular membranes. The molecular triggers of this process are unknown. Here, we tested the possibility that this is elicited by protonation of conserved surface carboxylates. Glutamate-48, glutamate-653 and aspartate-877 were ident...
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