PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 3000379-1 1985 Two protein kinase activities, one specific for phosvitin and another specific for histone, were detected in serum and plasma of calf as well as of human blood after precipitation with ammonium sulfate (40%) and chromatography on DEAE-Sephacel. Ammonium Sulfate 185-201 casein kinase 2 beta Bos taurus 48-57