PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 22490230-5 2012 The apparent K(I) estimates derived from the various systems displayed a range of variability from 3-fold for clarithromycin (5.4-17.7 muM) to 6-fold for verapamil (1.9-12.6 muM). Clarithromycin 110-124 latexin Homo sapiens 135-138