PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 30604175-4 2019 ELO2 and ELO3 are condensing enzymes that synthesize very-long-chain fatty acids (VLCFAs), major fatty acids in plant sphingolipids. Sphingolipids 118-131 radical SAM domain-containing protein / GCN5-related N-acetyltransferase (GNAT) family protein Arabidopsis thaliana 9-13