PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 34663975-5 2021 Whereas both 5-IP7 and its precursor IP6 compete with PIP2 for binding to Syt7, Ca2+ selectively binds 5-IP7 with high affinity, freeing Syt7 to enable fusion of insulin-containing vesicles with the cell membrane. Phytic Acid 37-40 synaptotagmin VII Mus musculus 74-78