SJM-3 is a positive allosteric modulator of different isoforms of the GABAA receptor. SJM-3 binds at the high-affinity benzodiazepine binding site at the α+/γ- subunit interface[1].
References
[1] Simon J Middendorp, et al. Positive modulation of synaptic and extrasynaptic GABAA receptors by an antagonist of the high affinity benzodiazepine binding site. Neuropharmacology. 2015 Aug;95:459-67. DOI:10.1016/j.neuropharm.2015.04.027