PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 28765903-12 2017 Under the same condition, p53 protein expression, but not mRNA expression, was reversed by MG132. benzyloxycarbonylleucyl-leucyl-leucine aldehyde 91-96 tumor protein p53 Homo sapiens 26-29