1.1.1.346 2,5-didehydro-D-gluconate + NADPH + H+ - Corynebacterium sp. 2-dehydro-L-gulonate + NADP+ - ? 422363 1.1.1.346 2,5-didehydro-D-gluconate + NADPH + H+ 100% activity Corynebacterium sp. 2-dehydro-L-gulonate + NADP+ - ? 422363 1.1.1.346 2,5-didehydro-D-gluconate + NADPH + H+ a reduction of substrate by NADPH is highly preferred Corynebacterium sp. 2-dehydro-L-gulonate + NADP+ - r 422363 1.1.1.346 2,5-didehydro-D-gluconate + NADPH + H+ isoform DKGR B exhibits 66fold higher specific activity toward 2,5-didehydro-D-gluconate than isoform DKGR A Corynebacterium sp. 2-dehydro-L-gulonate + NADP+ - ? 422363 1.1.1.346 2,5-didehydro-D-gluconate + NADPH + H+ NADPH is the preferred electron donor Escherichia coli 2-dehydro-L-gulonate + NADP+ - ? 422363 1.1.1.346 2,5-didehydro-D-gluconate + NADPH + H+ 100% activity Corynebacterium sp. SHS 0007 2-dehydro-L-gulonate + NADP+ - ? 422363 1.1.1.346 2,5-didehydro-D-gluconate + NADPH + H+ a reduction of substrate by NADPH is highly preferred Corynebacterium sp. ATCC 31090 2-dehydro-L-gulonate + NADP+ - r 422363 1.1.1.346 2,5-didehydro-D-gluconate + NADPH + H+ 100% activity Brevibacterium ketosoreductum 5-dehydro-D-gluconate + NADP+ - ? 422364 1.1.1.346 2-dehydro-D-gluconate + NADPH + H+ 11.8% activity compared to 2,5-didehydro-D-gluconate Brevibacterium ketosoreductum D-gluconate + NADP+ - ? 422394 1.1.1.346 2-dehydro-L-gulonate + NADP+ - Corynebacterium sp. 2,5-didehydro-D-gluconate + NADPH + H+ - r 422395