PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 8370646-2 1993 Starting from 2,5-dioxomorpholines, aminoacyl incorporation reaction led, through intermediate tetrahedral adducts (aza-cyclols), to the corresponding nine-membered cyclodepsitripeptides cyclo(-Hiv-Pro-DPhe-) 4a, cyclo(-Lac-Pro-DPhe-) 4b, and cyclo (-Hiv-Pro-DAla-) 4c. aminoacyl 36-45 lactase Homo sapiens 220-223