PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 23002206-2 2012 Halofuginone is a plant alkaloid derivative that blocks TGF-beta signaling with antiangiogenic and antiproliferative properties. Alkaloids 24-32 transforming growth factor, beta 1 Mus musculus 56-64