Description_x000D_ Immunogen_x000D_ Peptide sequence around phosphorylation site of serine 309 (G-L-S(p)-D-P), according to the protein SYT1._x000D_ Target description_x000D_ The synaptotagmins are integral membrane proteins of synaptic vesicles thought to serve as Ca(2+) sensors in the process of vesicular trafficking and exocytosis. Calcium binding to synaptotagmin I participates in triggering neurotransmitter release at the synapse._x000D_ Physical form_x000D_ Solution in phosphate-buffered saline containing 0.02% sodium azide and 50% glycerol_x000D_ Features and Benefits_x000D_ Evaluate our antibodies with complete peace of mind. If the antibody does not perform in your application, we will issue a full credit or replacement antibody. Learn more.