PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 8494897-3 1993 This observation is of particular interest in light of the recent demonstration that two of the three disulfide bonds in native IGF-1 rearrange in the presence of dithiothreitol [Hober, S., et al. Dithiothreitol 163-177 insulin like growth factor 1 Homo sapiens 128-133