sphing-4-enine + D-glucose => beta-D-glucosyl-(1<->1)-sphing-4-enine + H2O
sphing-4-enine + d-glucose => beta-d-glucosyl-(1<->1)-sphing-4-enine + h2o
sphing-4-enine + D-glucose => beta-D-glucosyl-(1<->1)-sphing-4-enine + H2O
sphing-4-enine + d-glucose => beta-d-glucosyl-(1<->1)-sphing-4-enine + h2o