PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 2157216-5 1990 The Ca2+ rise in oocytes induced by substance K was due to internal Ca2+ mobilization and was independent of external Ca2+, since it occurred in Ca2(+)-free medium fortified with 2 mM EGTA. Egtazic Acid 184-188 tachykinin precursor 1 S homeolog Xenopus laevis 36-47