Mast Cell Degranulating Peptide HR-2, a 14-membered linear peptide isolated from the venom of the giant hornet Vespa orientalis, is capable of degranulating mast cells and thus initiating histamine release[1].
[1]. Tu?chibaev MU, et al. [Low molecular weight peptides from the venom of the giant hornet Vespa orientalis. Structureand function]. Biokhimiia. 1988 Feb;53(2):219-26.
















