PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 32029474-6 2020 AHR bound and activated the gene promoter of serine palmitoyltransferase small subunit A (SPTSSA), which encodes a subunit of the serine palmitoyl transferase that catalyzes the first and rate-limiting step in de novo sphingolipid biosynthesis. 2,3-bis-(palmitoyloxy)-2-propyl-N-palmitoyl-cysteinylserine 45-61 serine palmitoyltransferase small subunit A Homo sapiens 90-96