Reaction catalyzed by glucuronate reductase (1.1.1.19), uronate dehydrogenase (1.1.1.203), D-galacturonate reductase (1.1.1.365)
+
NADPH
+
=
+
NADP+
D-galacturonate
+
NADPH
+
H+
=
L-galactonate
+
NADP+
