PMID-sentid	Pub_year	Sent_text		comp_official_name	comp_offsetprotein_name	organism	prot_offset
9730840-8	1998	To evaluate the influence of the cyclization, this Gln was chemically converted into pGlu in both MCP-2 variants.	Pyrrolidonecarboxylic Acid	85-89	C-C motif chemokine ligand 8	Homo sapiens	98-103	
9730840-12	1998	However, for both MCP-2 variants the NH2-terminal pyroglutamate was shown to be essential for chemotaxis, but not for calcium mobilization.	Pyrrolidonecarboxylic Acid	50-63	C-C motif chemokine ligand 8	Homo sapiens	18-23