PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 21710479-3 2011 SPT catalyzes the condensation of serine and a fatty acid into 3-keto-dihydrosphingosine, whereas SPL degrades sphingosine-1-phosphate (S1P) into phosphoethanolamine and a long-chain aldehyde. Aldehydes 183-191 alanine--glyoxylate and serine--pyruvate aminotransferase Homo sapiens 0-3