PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 2578825-5 1985 Comparison of quantitative gel scans for disappearance of the intact alpha 2-macroglobulin subunit (Mr 182000) with 125I-labeled trypsin binding capacity of immunoimmobilized alpha 2-macroglobulin-trypsin complexes showed conspicuous agreement. Iodine-125 116-120 alpha-2-macroglobulin Homo sapiens 175-196