PMID-sentid	Pub_year	Sent_text		comp_official_name	comp_offsetprotein_name	organism	prot_offset
17433672-2	2007	The X-ray crystal structure of sitagliptin bound to DPP-4 suggested that the central beta-amino butyl amide moiety could be replaced with a cyclohexylamine group.	Cyclohexylamines	140-155	dipeptidyl peptidase 4	Homo sapiens	52-57