PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 6213619-8 1982 The two methyl esters on the methyl-accepting arginine peptide appear to be preferentially methylated in most of the forms of MCPI in attractant-stimulated cells. methyl esters 8-21 microcin immunity protein Escherichia coli 126-130