PMID-sentid Pub_year Sent_text compound_name comp_offset prot_official_name organism prot_offset 2335515-2 1990 Herein we describe the purification and characterization of a novel pentacyclic triterpene ester from rabbit liver that has ACAT inhibitory activity. triterpene ester 80-96 sterol O-acyltransferase 1 Oryctolagus cuniculus 124-128 2335515-13 1990 Both the negatively charged carboxylic acid group of the triterpene moiety and the esterified fatty acid group were necessary for the ACAT-inhibitory activity of the triterpene ester. triterpene ester 166-182 sterol O-acyltransferase 1 Oryctolagus cuniculus 134-138