Metraprovoline

• Component of Trill immune system (DS9 Novel: Mission Gamma: Cathedral)
  • Presumed given ability to fight retroviral infections per source, as well as below-described effects
• In concert with lethozine and metrazene, can be used to prevent symbiont rejection in non-Trill hosts through simulating Trill biochemical profile and averting transplant infection by retroviral agents (DS9 Comic: Divided We Fall: All Fall Down; DS9 Novel: Mission Gamma: Cathedral)