a beta-D-glucosylceramide(in) = a beta-D-glucosylceramide(out)
a beta-d-glucosylceramide(in) = a beta-d-glucosylceramide(out)
a beta-D-glucosylceramide(in) = a beta-D-glucosylceramide(out)
a beta-d-glucosylceramide(in) = a beta-d-glucosylceramide(out)