LCMV gp33-41 (TFA), the carboxyl-extended 11-aa-long peptide, is an lymphocytic choriomeningitis virus sequence restricted by MHC class I H-2Db molecules and presented to cytotoxic T lymphocytes.

Otophylloside L is a pregnane glycosides isolated from the roots of Cynanchum otophyllum. Otophylloside L can be used in epilepsy research.

[Leu31,Pro34]-Peptide YY (human)