PMID-sentid	Pub_year	Sent_text		comp_official_name	comp_offsetprotein_name	organism	prot_offset
10692433-10	2000	Experiments utilizing a chemical Cdk-specific inhibitor, butyrolactone I, revealed that Cdk2 activity was required only for chromatin binding of the Cdc45 proteins, and not for the expression of Cdc45 or chromatin binding of MCM4 and -7.	4-Butyrolactone	57-70	cyclin-dependent kinase 2	Mus musculus	88-92