PMID-sentid	Pub_year	Sent_text		comp_official_name	comp_offsetprotein_name	organism	prot_offset
22244335-1	2012	Histone H2B ubiquitylation is a transcription-dependent modification that not only regulates nucleosome dynamics but also controls the trimethylation of histone H3 on lysine 4 by promoting ubiquitylation of Swd2, a component of both the histone methyltransferase COMPASS complex and the cleavage and polyadenylation factor(CPF).	Lysine	167-173	H2B clustered histone 21	Homo sapiens	8-11