PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 22385171-8 2012 We coupled the correct and a mutant 17-amino-acid gastrin to gadolinium -1,4,7,10-tetraazacyclododecane-1,4,7,10- tetraacetic acid (an MRI contrast agent) and rhodamine isothiocyanate (a fluorescent dye). rhodamine isothiocyanate 159-183 gastrin Homo sapiens 50-57