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CATH Classification

Domain Context

CATH Clusters

Superfamily NADP-dependent oxidoreductase domain
Functional Family Oxidoreductase, aldo/keto reductase family

Enzyme Information

1.1.1.346
2,5-didehydrogluconate reductase (2-dehydro-L-gulonate-forming).
based on mapping to UniProt P06632
2-dehydro-L-gulonate + NADP(+) = 2,5-didehydro-D-gluconate + NADPH.
-!- The enzyme is involved in ketogluconate metabolism, and catalyzes the reaction in vivo in the reverse direction to that shown. -!- It is used in the commercial microbial production of ascorbate. -!- cf. EC 1.1.1.274.

UniProtKB Entries (1)

P06632
DKGA_CORSC
Corynebacterium sp. ATCC 31090
2,5-diketo-D-gluconic acid reductase A

PDB Structure

PDB 1HW6
External Links
Method X-RAY DIFFRACTION
Organism Spodoptera
Primary Citation
Structural assembly of the active site in an aldo-keto reductase by NADPH cofactor.
Sanli, G., Blaber, M.
J.Mol.Biol.
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