Cytoplasmic C-terminal sequence from the β isoform of the Rattus norvegicus Nrxn1 gene (RGD:628659) that results in a tagged protein being targeted to presynaptic sites (this sequence includes the PDZ-binding motif which is required for endoplasmic reticulum and Golgi exit and synaptic targeting) (PMID:22138823, PMID:19036990).
