PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 15642270-4 2005 Key features of the structures include (1) a disulphide bond ladder that binds to IGF and partially masks the IGF residues responsible for type 1 IGF receptor (IGF-IR) binding, (2) the high-affinity IGF-I interaction site formed by residues 39-82 in a globular fold, and (3) CBP-4 interactions. disulphide 45-55 insulin like growth factor 1 Homo sapiens 160-165