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Table 3 Search of de novo sequenced peptides of sea urchins in PepBank

From: Initial peptidomic profiling of Brazilian sea urchins: Arbacia lixula, Lytechinus variegatus and Echinometra lucunter

Peptide Origin Function (possible)
DVKL A. lixula – coelomic fluid Antibiotic and anticancer
FLSY L. variegatus – coelomic fluid Phospholipase A2 inhibitor
LDLR A. lixula – coelomic fluid Peptide in thrombin-liberated human/eglin (inhibitory activity towards human leukocyte elastase, cathepsin G, porcine pancreatic elastase and alpha-chymotrypsin)
LGSR E. lucunter – coelomic fluid Brain peptide for activation of prothoracic gland, factor VIII activity, toxin Tc61 (scorpion), human neutrophil NADPH oxidase factor 2
LLLL A. lixula – coelomic fluid Antimicrobial, neuroprotective
LPPP E. lucunter – coelomic fluid Dipeptidyl carboxypeptidase substrate
LVAL L. variegatus – spines Antiviral
PESL A. lixula – coelomic fluid Membrane-bound aminopeptidase P, protein tyrosine kinases