PMID-sentid	Pub_year	Sent_text		comp_official_name	comp_offsetprotein_name	organism	prot_offset
8144611-9	1994	We have produced recombinant p18 in bacterial cells and shown that it can be phosphorylated in vitro by purified p34cdc2 kinase with a stoichiometry of 0.86 mol of PO4/mol of substrate.	po4	164-167	cyclin dependent kinase 1	Homo sapiens	113-120