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1.1.1.346: 2,5-didehydrogluconate reductase (2-dehydro-L-gulonate-forming)

This is an abbreviated version!
For detailed information about 2,5-didehydrogluconate reductase (2-dehydro-L-gulonate-forming), go to the full flat file.

Reaction

2-dehydro-L-gulonate
+
NADP+
=
2,5-didehydro-D-gluconate
+
NADPH
+
H+

Synonyms

2,5-diketo-D-gluconate reductase, 2,5-diketo-D-gluconate reductase I, 2,5-diketo-D-gluconate reductase II, 2,5-diketo-D-gluconate-reductase, 2,5-diketo-D-gluconic acid reductase, 2,5-diketo-D-gluconic acid reductase A, 2,5-DKG reductase, 2,5-DKGR A, 2,5-DKGR B, 2,5-DKGRA, 2,5DKGR, 25DKG reductase, 25DKGR-A, 2KR, AKR5C, CTATCC11996_22452, dkgA, dkgB, Dkr, YqhE, YqhE reductase

ECTree

     1 Oxidoreductases
         1.1 Acting on the CH-OH group of donors
             1.1.1 With NAD+ or NADP+ as acceptor
                1.1.1.346 2,5-didehydrogluconate reductase (2-dehydro-L-gulonate-forming)

Systematic Name

Systematic Name on EC 1.1.1.346 - 2,5-didehydrogluconate reductase (2-dehydro-L-gulonate-forming)

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SYSTEMATIC NAME
IUBMB Comments
2-dehydro-D-gluconate:NADP+ 2-oxidoreductase (2-dehydro-L-gulonate-forming)
The enzyme is involved in ketogluconate metabolism, and catalyses the reaction in vivo in the reverse direction to that shown [1]. It is used in the commercial microbial production of ascorbate. cf. EC 1.1.1.274, 2,5-didehydrogluconate reductase (2-dehydro-D-gluconate-forming).