PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 6214785-1 1982 The effect of synexin (an adrenal medullary protein) on the kinetics of Ca2+- and Mg2+-mediated membrane fusion was examined. magnesium ion 82-86 annexin A7 Homo sapiens 14-21