has role peptidyl amide polypeptide antineoplastic agent EC 2.7.11.13 (protein kinase C) inhibitor hepatoprotective agent neuroprotective agent melittin A 26-membered polypeptide consisting of Gly, Ile, Gly, Ala, Val, Leu, Lys, Val, Leu, Thr, Thr, Gly, Leu, Pro, Ala, Leu, Ile, Ser, Trp, Ile, Lys, Arg, Lys, Arg, Gln and Gln-NH<small>₂</small> residues joined in sequence. It is the principal active component of bee venom. CHEBI:6736 apoptosis inducer animal metabolite venom