cucurbitacin A + NAD(P)H
very low activity
23,24-dihydrocucurbitacin A + NAD(P)+
-
?
cucurbitacin B + NAD(P)H + H+
-
23,24-dihydrocucurbitacin B + NAD(P)+
-
ir
cucurbitacin B + NAD(P)H + H+
NADPH better electron donor than NADH, reduction is fairly irreversible, approx. 75% of activity with cucurbitacin E beta-D-glucoside
23,24-dihydrocucurbitacin B + NAD(P)+
-
ir
cucurbitacin B + NADH + H+
-
23,24-dihydrocucurbitacin B + NAD+
-
r
cucurbitacin C + NAD(P)H
very low activity
23,24-dihydrocucurbitacin C + NAD(P)+
-
?
cucurbitacin D + NAD(P)H
low activity
23,24-dihydrocucurbitacin D + NAD(P)+
-
?
cucurbitacin E + NAD(P)H
low activity
23,24-dihydrocucurbitacin E + NAD(P)+
-
?
cucurbitacin E beta-D-glucoside + NAD(P)H
best substrate
23,24-dihydrocucurbitacin E beta-D-glucoside + NAD(P)+
-
?
cucurbitacin F + NAD(P)H
very low activity
23,24-dihydrocucurbitacin F + NAD(P)+
-
?