PMID-sentid	Pub_year	Sent_text		comp_official_name	comp_offsetprotein_name	organism	prot_offset
16319397-9	2006	The main histone H2B variant, H2BA, was acetylated at Lys-12, -15, and -20.	Lysine	54-57	H2B clustered histone 21	Homo sapiens	17-20