PMID-sentid	Pub_year	Sent_text		comp_official_name	comp_offsetprotein_name	organism	prot_offset
22052799-6	2011	The selectivity of HP1alpha chromodomain for H3K9Me(3)  over H3K9Me(2)  was investigated by mutating E52 to remove or weaken the hydrogen bond to K9Me(2)  while maintaining affinity for K9Me(3,)  including E52F, E52I, E52V, E52D, an E52Q.	Hydrogen	129-137	Suppressor of variegation 205	Drosophila melanogaster	19-27