an S-substituted L-cysteine + H2O <=> a thiol + pyruvate + NH4(+)
an s-substituted l-cysteine + h2o <=> a thiol + pyruvate + nh4(+)
an S-substituted L-cysteine + H2O <=> a thiol + pyruvate + NH4(+)
an s-substituted l-cysteine + h2o <=> a thiol + pyruvate + nh4(+)