PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 6647573-11 1983 Sephadex gel filtration of cultured medium resulted in the identification of two macromolecular polyamine-containing fractions (MP1, Mr greater than 100,000 and MP2, M = 60,000-70,000). sephadex 0-8 proline rich protein HaeIII subfamily 1 Mus musculus 161-164