金山科研平台，产品价格货期咨询微信：jinshanbio Molecule Information: Neurexin 1 beta/NXRN1b Aliases: NXR1B; NXRN1b Entrez Gene IDs: 9378 (Human); 18189 (Mouse); 60391 (Rat) Background: Neurexin Family The alpha and beta forms of Neurexins 1 - 3 are transmembrane neuronal glycoproteins which are transcribed from each of the three NRXN genes from alternate promoters. The interaction of presynaptic Neurexins with postsynaptic Neuroligins is important for synaptic development and is restricted to particular combinations of splice forms of each binding partner.