PD(50) is 420 ug/kg into crabs. Belongs to the sea anemone type 3 (BDS) potassium channel toxin family. There is no mention of the activity in PubMed:15581681. The Greek letter 'delta' in the name delta-AITX-Amc2a (which indicates an inhibition of sodium channels) has been deduced from the toxin paralytic activity to crabs.