Cav3.3 is a calcium channel of the T-type that is involved in many brain processes. Contrary to other calcium channels Cav3.3 is activated by relatively low/negative voltages.

5-HT3 is a serotonin receptor. 5-HT3 is not a classic cannabinoid receptor but its activity is modulated by cannabinoids.

Suspected endocannabinoid.

Suspected endocannabinoid. Does not bind classical endocannabinoid receptors (CB1/2) but targets GPR119.