PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 9438384-9 1998 Butyrolactone I, an inhibitor of cdc2 kinase, inhibited increases in Cx43 phosphorylation during mitosis. butyrolactone I 0-15 gap junction protein alpha 1 Homo sapiens 69-73