A predicted toxin of the HNH/Endonuclease VII fold present in bacterial polymorphic toxin systems with a characteriztic conserved [ED]H motif and two histidine residues. In bacterial polymorphic toxin systems, the toxin is exported by the type 2, type 5, type 6, type 7 or Photorhabdus virulence cassette (PVC)-type secretion system.
Jiyao W et al.(2023). "The conserved domain database in 2023.",