PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 19671767-6 2009 Celastrol and parthenolide but not BMS-345541 prevented the activation of both IKKalpha and IKKbeta, and celastrol inhibited IKKalpha/beta activation by preventing the phosphorylation of TAK1, a key receptor-associated factor upstream of IKK. parthenolide 14-26 inhibitor of nuclear factor kappa B kinase subunit beta Rattus norvegicus 92-99