Anopheles gambiae (African malaria mosquito)
Bombyx mori (silkworm)
PPAE (prophenol oxidase activating enzyme; contains two clip domains)
Ctenocephalides felis (cat flea)
Drosophila melanogaster (fruit fly)
snake * not revised, see Protein Science 1:225-226 for a corrected sequence
Holotrichia diomphalia (beetle)
PPAF-1 (prophenol oxidase activating factor-1)
Manduca sexta (tobacco hornworm)
cPAP (cuticular prophenoloxidase activating proteinase)
hPAP (hemolymph prophenoloxidase activating proteinase; contains two clip domains)
HP1 (hemocyte proteinase-1)
HP2 (hemocyte proteinase-2)
FP1 (fat body proteinase-1)
Tachypleus tridentatus (horseshoe crab)