PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 29291372-4 2018 With the goal of discovering selective inhibitors of the Na,K-ATPase alpha4 and of sperm function, ouabain derivatives were modified at the glycone (C3) and the lactone (C17) domains. Lactones 161-168 cytokine-like 1 Mus musculus 170-173