Skip Navigation
ChemIDplus A TOXNET DATABASE LiteBrowseAdvanced

Substance Name: Synaptotagmin 2
RN: 141440-89-3


  • A vesicular transport protein that was originally characterized as an inositol polyphosphate binding protein. Synaptotagmin II helps regulate EXOCYTOSIS of SYNAPTIC VESICLES and appears to serve as a calcium sensor to trigger NEUROTRANSMITTER release. It also acts as a nerve cell receptor for certain BOTULINUM TOXINS.
* denotes mobile formatted website

Links to Resources

NLM Resources (File Locators)

Other Resources (Internet Locators)

Names and Synonyms

Name of Substance

  • Synaptotagmin 2

MeSH Heading

  • Synaptotagmin II

Systematic Name

  • Synaptotagmin II (rat clone p573-2a protein moiety reduced)

Registry Numbers

CAS Registry Number

  • 141440-89-3

System Generated Number

  • 0141440893