Clostridium botulinum C3 toxin

Clostridium botulinum C3 exoenzyme is a toxin that causes the addition of one or more ADP-ribose moieties to Rho-like proteins. Many bacterial toxins nucleotide-binding modify by ADP-ribosylation proteins involved in essential cell functions, leading to their toxic effects.^[2]

C3 exoenzyme
Structure of Clostridium botulinum C3 exoenzyme NAD from PDB entry 2C8C [1]
Identifiers
Symbol	C3
SCOP2	2C89 / SCOPe / SUPFAM
Available protein structures: Pfam     PDB 2C8A​, 2C8B​, 2C8C​, 2C8D​