TABLE 1
Kinetics of E2 sulfation by human hepatic and jejunal S9 and SULT1E1 isoform
K
m
V
max
n
μM
pmol/min/mg
Hepatic S9
11.5
3.8
1.6
Jejunal S9
4.5
0.9
2.2
SULT1E1
5.6
112.7
2.2