PMID-sentid	Pub_year	Sent_text		comp_official_name	comp_offsetprotein_name	organism	prot_offset
19221475-2	2009	We have shown that this modification of PCNA is necessary for the survival of cells after UV-irradiation and methyl methanesulfonate, that it is independent of cell cycle checkpoint activation, and that it persists after UV damage has been removed.	Methyl Methanesulfonate	109-132	proliferating cell nuclear antigen	Homo sapiens	40-44