PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 26085110-5 2015 In addition, theobromine arrested the cell cycle at the G0/G1 phase and regulated the expressions of CDK2, p27, and p21. Theobromine 13-24 cyclin-dependent kinase inhibitor 1A (P21) Mus musculus 116-119