otIs437 [unc-3p::rab-3::GFP + ttx-3p::mCherry] V. Reporter contains 558bp upstream of unc-3 start site; marks presynapses of DA/DB class motor neurons innervating muscle and VD motor neurons in dorsal nerve cord. Reference: Kratsios P, et al. Curr Biol. 2015 May 18;25(10):1282-95.