PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 11312693-2 2001 The water-soluble substrates, which are derived from fluorescein, are not fluorescent until cleaved by the enzyme, and provide a convenient means to continuously monitor PI-PLC activity. Fluorescein 53-64 phospholipase C beta 1 Homo sapiens 170-176