[Orn8]-Urotensin II (human), a peptide analog of urotensin II, is a UT receptor agonist. [Orn8]-Urotensin II (human) increases intracellular calcium levels in HEK293.

A kind of alkaloid, extract from the kudzu root of menispermaceae plants.

The G280-9 peptide, a common melanoma gp100 epitope restricted by MHC-associated HLA-A2. The G280-9 sequence is unique because it could be recognized by cytotoxic T lymphocytes at very low concentrations, however it shows low total immunogenicity that may be attributable to relatively low affinity of this peptide for the HLA-A2.