Although our library sequence does not cover the entire transcript, cystatin 1 contains one copy of the cystatin-like domain, while cystatin 2 contains at least 4 repeats of this mot if. LPS-BP was found only in band n9. The crustacean lipopolysaccharide and beta-1,3-glucan binding proteins, also named coelomic cytolytic factors, are a subgroup of glycoside hydrolase family 16 that form complexes with pathogen-associated beta-1,3-glucans which then activate prophenoloxidases and other immune factors [66].