1.1.1.124 5-dehydro-D-fructose + NADH + H+ - Erwinia sp. 450921 1.1.1.124 D-arabinose + NADP+ 5fold lower activity than for D-fructose Erwinia sp. 187130 1.1.1.124 D-fructose + NAD+ - Erwinia sp. 450920 1.1.1.124 D-fructose + NADP+ highly specific for D-fructose Erwinia sp. 187132 1.1.1.124 5-keto-D-fructose 1-phosphate + NADPH + H+ 16% of the rate compared to 5-keto-D-fructose Gluconobacter cerinus 187131 1.1.1.124 D-fructose + NADP+ predominant formation of D-fructose Gluconobacter cerinus 187132 1.1.1.124 D-fructose + NADP+ highly specific for D-fructose Gluconobacter cerinus 187132 1.1.1.124 D-fructose + NADP+ predominant reduction of 5-keto-D-fructose Gluconobacter oxydans 187132