Abstract
The family of Natterins, found in the venom of the fish Thalassophryne nattereri, has five orthologs (1 - 4 and -P) with N-terminal (DM9) and C-terminal domains (aerolysin). Natterin-like protein sequences can be found in different immune defense cells of various species of non-venomous and venomous fish; yet recent studies have shown the participation of Natterin-like proteins in the imm…