L-galactonate + NADP(+) <=> aldehydo-D-galacturonate + NADPH + H(+)
l-galactonate + nadp(+) <=> aldehydo-d-galacturonate + nadph + h(+)
L-galactonate + NADP(+) <=> aldehydo-D-galacturonate + NADPH + H(+)
l-galactonate + nadp(+) <=> aldehydo-d-galacturonate + nadph + h(+)