PMID-sentid	Pub_year	Sent_text		comp_official_name	comp_offsetprotein_name	organism	prot_offset
6126479-5	1982	These and earlier findings indicate that significant binding of the imino acid substrate requires a 5-carbonyl (or = NH), an unsubstituted N-1 and a C-2 of the L-configuration; substantial modification of 5-oxo-L-proline in the region of C-3 and C-4 is possible with retention of binding properties.	Pyrrolidonecarboxylic Acid	205-220	complement C4A (Rodgers blood group)	Homo sapiens	246-249