preferred_name: a sphingomyelin + H2O = phosphocholine + an N-acylsphing-4-enine + H(+)
preferred_name_lc: a sphingomyelin + h2o = phosphocholine + an n-acylsphing-4-enine + h(+)
label: "sphingomyelin phosphodiesterase"
label_lc: "sphingomyelin phosphodiesterase"