Assertion: ecstasy's mdma | /r/HasProperty | ligand
Facets:
value: at both sigma receptor subtypes
type: OTHER
Source sentences:
text: MDMA is a ligand at both sigma receptor subtypes, though its efficacies at the receptors have not yet been elucidated.
text: Additionally, MDMA is a ligand at both sigma receptor subtypes, though its efficacies at these receptors and the role that they play have yet to be elucidated.