The function of Ensembl gene identifier ENSG00000185518 (SV2B, synaptic vesicle glycoprotein 2B) is as follows. Probably plays a role in the control of regulated secretion in neural and endocrine cells. . (Microbial infection) Receptor for the C.botulinum neurotoxin type A2 (BoNT/A, botA); glycosylation is not essential but enhances the interaction (PubMed:29649119). Probably also serves as a receptor for the closely related C.botulinum neurotoxin type A1. .