EOG8T7BHN GO:0004767 45/153 sphingomyelin phosphodiesterase activity molecular_function "Catalysis of the reaction: H(2)O + sphingomyelin = ceramide + choline phosphate + H(+)." [EC:3.1.4.12, RHEA:19256] EOG8T7BHN GO:0006685 45/153 sphingomyelin catabolic process biological_process "The chemical reactions and pathways resulting in the breakdown of sphingomyelin, N-acyl-4-sphingenyl-1-O-phosphorylcholine." [ISBN:0198506732] EOG8T7BHN GO:0016787 2/153 hydrolase activity molecular_function "Catalysis of the hydrolysis of various bonds, e.g. C-O, C-N, C-C, phosphoric anhydride bonds, etc. Hydrolase is the systematic name for any enzyme of EC class 3." [ISBN:0198506732]