PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 2606893-1 1989 A DNA polymerase alpha-primase complex, which had been purified by means of immunoaffinity column chromatography, showed little activity in a reaction mixture composed of Tris-HCl buffer, but showed full activity in potassium phosphate buffer. potassium phosphate 216-235 DNA polymerase alpha 1, catalytic subunit Homo sapiens 2-22