PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 34909681-6 2021 The butanolide lactone obtusilactone B (Ob-B) has been found to inhibit VRK1-dependent phosphorylation of BAF1, upon direct binding to the nuclear protein. isoobtusilactone A 23-38 VRK serine/threonine kinase 1 Homo sapiens 72-76