PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 10428373-1 1999 The seco-acid of the natural macrolactone, tuckolide (decarestrictin D) and the C-7 epimer have been prepared in enantiomerically pure form from D-gluconolactone and poly(3-hydroxy butyric acid). poly-beta-hydroxybutyrate 166-194 complement C7 Rattus norvegicus 80-83