EOG8NS5TF GO:0006629 16/22 lipid metabolic process biological_process "The chemical reactions and pathways involving lipids, compounds soluble in an organic solvent but not, or sparingly, in an aqueous solvent. Includes fatty acids; neutral fats, other fatty-acid esters, and soaps; long-chain (fatty) alcohols and waxes; sphingoids and other long-chain bases; glycolipids, phospholipids and sphingolipids; and carotenes, polyprenols, sterols, terpenes and other isoprenoids." [GOC:ma] EOG8NS5TF GO:0008081 14/22 phosphoric diester hydrolase activity molecular_function "Catalysis of the hydrolysis of a phosphodiester to give a phosphomonoester and a free hydroxyl group." [EC:3.1.4, GOC:curators] EOG8NS5TF GO:0050290 2/22 sphingomyelin phosphodiesterase D activity molecular_function "Catalysis of the reaction: H(2)O + sphingomyelin = ceramide 1-phosphate + choline + H(+)." [EC:3.1.4.41, RHEA:20987]