Phylogenetic Tree


Insect Groups: Herbivorous insect Blood-feeding insect Other insect
Sp001993 Sp001991 Sp002049 Sp002036 Sp000712 Sp001245 Sp001268 Sp001207 Sp001208 Sp001206 Sp001144 Sp001145 Sp000686



Serpin



Protein protease inhibitors constitute a very important mechanism for regulating proteolytic activity. Most serpin family members are indeed serine protease inhibitors, but several have additional cross-class inhibition functions and inhibit cysteine protease family members such as the caspases and cathepsin.

--From Wikipedia