PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 15762561-1 2005 A novel disulfide, which carried two pepstatin fragments at both ends, was prepared by the coupling of 11,11"-dithiobisundecanoic acid (DTUA) with a fragment (Val-Val-Sta) carrying a n-hexyl end (Pepsta(h)). 1-Hexyl radical 183-190 GCY Homo sapiens 167-170