PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 3365386-6 1988 Phosphotyrosylfodrin could be dephosphorylated by the calmodulin-stimulated phosphatase (calcineurin) in the presence of activating metal ions; Ni2+ was a much more effective activator than Mn2+ for this reaction. Metals 132-137 calmodulin Bos taurus 54-64