1.1.1.215 hydroxypyruvate + NADPH reduction at 733% the rate of 2-keto-gluconate reduction Acetobacter pasteurianus 2,3-dihydroxypropanoate + NADP+ - ? 187804 1.1.1.215 D-galactonate + NADP+ - Acetobacter pasteurianus 2-dehydro-D-galactonate + NADPH - r 187799 1.1.1.215 D-galactonate + NADP+ - Acetobacter ascendens 2-dehydro-D-galactonate + NADPH - r 187799 1.1.1.215 D-galactonate + NADP+ third best substrate Gluconobacter oxydans 2-dehydro-D-galactonate + NADPH - r 187799 1.1.1.215 D-galactonate + NADP+ third best substrate Gluconacetobacter liquefaciens 2-dehydro-D-galactonate + NADPH - r 187799 1.1.1.215 D-gluconate + NADP+ - Gluconobacter frateurii 2-dehydro-D-gluconate + NADPH - ? 394817 1.1.1.215 D-gluconate + NADP+ - Gluconobacter oxydans 2-dehydro-D-gluconate + NADPH - ? 394817 1.1.1.215 D-gluconate + NADP+ the large subunit is the catalytically active enzyme part, high substrate and regiospecificity Gluconobacter frateurii 2-dehydro-D-gluconate + NADPH - ? 394817 1.1.1.215 D-gluconate + NADP+ - Gluconobacter oxydans 621H 2-dehydro-D-gluconate + NADPH - ? 394817 1.1.1.215 D-gluconate + NADP+ - Gluconobacter frateurii IFO 3271 2-dehydro-D-gluconate + NADPH - ? 394817