HNH/Endo VII superfamily toxin with a SHH signature
A predicted toxin of the HNH/Endonuclease VII fold present in bacterial polymorphic toxin systems with two conserved histidine residues. In bacterial polymorphic toxin systems, the toxin is exported by the type 2, type 5, type 6 or type 7 secretion system.
Jiyao W et al.(2023). "The conserved domain database in 2023.",