IntEnz

EC 1.1.1.179 - D-xylose 1-dehydrogenase (NADP⁺)

IntEnz Enzyme Nomenclature
EC 1.1.1.179

Names

Reaction

• 22000 [IUBMB]
  D-xylose

  D-xylose

  Name origin: UniProt - CHECKED (C)

  CHEBI:53455

  Formula: C5H10O5
  Charge: 0

  ChEBI compound status: CHECKED (C)

  

  +

  NADP⁺

  NADP(+)

  Name origin: UniProt - CHECKED (C)

  CHEBI:58349

  Formula: C21H25N7O17P3
  Charge: -3

  ChEBI compound status: CHECKED (C)

  

  =

  D-xylono-1,5-lactone

  D-xylono-1,5-lactone

  Name origin: UniProt - CHECKED (C)

  CHEBI:15867

  Formula: C5H8O5
  Charge: 0

  ChEBI compound status: CHECKED (C)

  

  +

  H⁺

  H(+)

  Name origin: UniProt - CHECKED (C)

  CHEBI:15378

  Formula: H
  Charge: 1

  ChEBI compound status: CHECKED (C)

  

  +

  NADPH

  NADPH

  Name origin: UniProt - CHECKED (C)

  CHEBI:57783

  Formula: C21H26N7O17P3
  Charge: -4

  ChEBI compound status: CHECKED (C)

  

Comments:

Also acts, more slowly, on L-arabinose and D-ribose.

Links to other databases

References

1. Wissler, J.H.
   D-Xylose:NADP oxidoreductase of arterial vessels and eye lens: a new enzyme and a final link in ATP-independent cycling of reducing eqivalents in aldose-polyol-ketose interconversion.
   Hoppe-Seyler's Z. Physiol. Chem. 358: 1300-1301 (1977).
2. Wissler, J.H.
   Direct spectrophotometric and specific quantitative determination of free and bound D-xylose by analytical application of a new enzyme, D-xylose:NADP-oxidoreductase.
   Fresenius' Z. Anal. Chem. 290: 179-180 (1978).

[EC 1.1.1.179 created 1982]