through the use of [ 3h ] estrone and [ 3h ] estrone sulfate as substrates , it was possible to demonstrate that adult slices of kidney medulla possessed relatively low sulfatase , considerable sulfotransferase ( st ) , and virtually no gt activity , whereas cortex had high sulfatase , little or no st , and low , though demonstrable , gt activity .
C0014942
estrone
C0059668
estrone sulfate