PMID-sentid	Pub_year	Sent_text		comp_official_name	comp_offsetprotein_name	organism	prot_offset
28696262-8	2017	Examination of available sequence data suggests that Arg-135 may have originated for l-THA-like beta-elimination function in earlier evolutionary variants, and examination of available structural data suggests that a Ser84-H2O-Lys114 hydrogen-bonding network in human serine racemase lowers the pKa of the Ser84re-face base.	ser84re	306-313	serine racemase	Homo sapiens	268-283