PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 2804981-2 1989 Specific binding of high-performance liquid chromatography-purified, monoiodinated alpha-MSH in the presence of 1 mM 1,10-phenanthroline as protease inhibitor was highest after a 2-h incubation at 37 degrees C. The nonspecific binding was less than 20% and dissociation of the ligand-receptor complex was relatively slow. 1,10-phenanthroline 117-136 proopiomelanocortin Homo sapiens 83-92