PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 10634928-5 2000 External Ca(2+) chelation (EGTA 4 mM) or administration of Ca(2+) channel inhibitors gadolinium 50 microM or nickel 500 microM inhibited insulin-induced PI 3-kinase activation by 85, 50 and 50%, respectively, whereas 200 microM verapamil was without effect. Gadolinium 85-95 WAP four-disulfide core domain 15B Rattus norvegicus 153-157