PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 8500690-0 1993 Spermidine/spermine N1-acetyltransferase--the turning point in polyamine metabolism. Polyamines 63-72 spermidine/spermine N1-acetyltransferase 1 Homo sapiens 0-40