[(1->2)-beta-D-glucosyl](n) + H2O => [(1->2)-beta-D-glucosyl](n-2) + sophorose
[(1->2)-beta-d-glucosyl](n) + h2o => [(1->2)-beta-d-glucosyl](n-2) + sophorose
[(1->2)-beta-D-glucosyl](n) + H2O => [(1->2)-beta-D-glucosyl](n-2) + sophorose
[(1->2)-beta-d-glucosyl](n) + h2o => [(1->2)-beta-d-glucosyl](n-2) + sophorose