PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 30700607-7 2019 Moreover, we demonstrated that cyclin A- and E-associated CDK2 complexes phosphorylated BDLF4 in vitro, and we identified several serine/threonine phosphorylation sites in BDLF4. Serine 130-136 cyclin dependent kinase 2 Homo sapiens 58-62