PMID-sentid	Pub_year	Sent_text		comp_official_name	comp_offsetprotein_name	organism	prot_offset
18759047-3	2002	However, their folding behavior is different: insulin and its recombinant precursor (PIP) fold into one unique tertiary structure, while IGF-1 folds into two disulfides isomers with similar thermodynamic stability.	Disulfides	158-168	insulin like growth factor 1	Homo sapiens	137-142