PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 9341159-10 1997 We discuss the biological implications of this switch mechanism, speculating that an increase in the level of Ca2+-calmodulin could rapidly release phosphatidylinositol 4, 5-bisphosphate that previous work has suggested is sequestered in lateral domains formed by MARCKS and MARCKS-(151-175). Phosphatidylinositol 4,5-Diphosphate 148-186 calmodulin 1 Homo sapiens 115-125