Assertion: aporphine alkaloid | /r/CapableOf | act as antagonist
Facets:
value: at the serotonin 5 receptor
type: LOCATION
Source sentences:
text: Another aporphine alkaloid isolated from this plant, namely, N-methyllaurotetanine (NMT), was reported to act as antagonist at the serotonin 5 receptor (EC 50 = 155 nM, nM) .