beta-D-galactosyl-(1<->1')-N-hexadecanoylsphing-4-enine + H2O <=> beta-D-galactose + N-hexadecanoylsphing-4-enine
beta-d-galactosyl-(1<->1')-n-hexadecanoylsphing-4-enine + h2o <=> beta-d-galactose + n-hexadecanoylsphing-4-enine