PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 14645240-3 2004 The absence of Phgdh led to a drastic reduction of L-serine metabolites such as phosphatidyl-L-serine and sphingolipids. Sphingolipids 106-119 3-phosphoglycerate dehydrogenase Mus musculus 15-20