PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 21821808-9 2011 In addition, the inhibitory effect of the macrocyclic lactone ivermectin on the activity of wild-type bovine ABCG2 and the Y581S variant was also confirmed, showing a greater inhibitory potency on the wild-type protein at all the concentrations tested (5 muM, P = 0.017; 10 muM, P = 0.001; 25 muM, P = 0.008; and 50 muM, P = 0.003). Lactones 54-61 ATP binding cassette subfamily G member 2 Bos taurus 109-114