EOG8PVRD4	GO:0006685	2/3	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]
EOG8PVRD4	GO:0004767	2/3	sphingomyelin phosphodiesterase activity	molecular_function	"Catalysis of the reaction: H(2)O + sphingomyelin = ceramide + choline phosphate + H(+)." [EC:3.1.4.12, RHEA:19256]