PMID-sentid	Pub_year	Sent_text		comp_official_name	comp_offsetprotein_name	organism	prot_offset
21116528-0	2011	Serine protease acylation proceeds with a subtle re-orientation of the histidine ring at the tetrahedral intermediate.	Histidine	71-80	coagulation factor II, thrombin	Homo sapiens	0-15