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Literature summary extracted from

  • Preiss, J.; Ashwell, G.
    Alginic acid metabolism in bacteria. II. The enzymatic reduction of 4-deoxy-L-erythro-5-hexoseulose uronic acid to 2-keto-3-deoxy-D-gluconic acid (1962), J. Biol. Chem., 237, 317-321.
    View publication on PubMed

General Stability

EC Number General Stability Organism
1.1.1.126 unstable in the absence of NADP+ Pseudomonas sp.

Inhibitors

EC Number Inhibitors Comment Organism Structure
1.1.1.126 p-hydroxymercuribenzoate 26% inhibition at 0.1 mM Pseudomonas sp.
1.1.1.126 Tris-HCl 67% inhibition at pH 7.5, 50 mM Pseudomonas sp.

KM Value [mM]

EC Number KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
1.1.1.126 0.032
-
NADPH
-
Pseudomonas sp.
1.1.1.126 0.36
-
(4S,5S)-4,5-dihydroxy-2,6-dioxohexanoate
-
Pseudomonas sp.

Natural Substrates/ Products (Substrates)

EC Number Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
1.1.1.126 (4S,5S)-4,5-dihydroxy-2,6-dioxohexanoate + NADPH Pseudomonas sp. irreversible at pH 7.0, 1% reversibility at pH 10.0 2-dehydro-3-deoxy-D-gluconate + NADP+
-
ir

Organism

EC Number Organism UniProt Comment Textmining
1.1.1.126 Pseudomonas sp.
-
alginate-adapted
-

Purification (Commentary)

EC Number Purification (Comment) Organism
1.1.1.126 to homogeneity, chromatography techniques Pseudomonas sp.

Source Tissue

EC Number Source Tissue Comment Organism Textmining
1.1.1.126 cell culture inducible enzyme synthesis by growth in alginate-containing medium Pseudomonas sp.
-

Specific Activity [micromol/min/mg]

EC Number Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
1.1.1.126 15.9
-
-
Pseudomonas sp.

Storage Stability

EC Number Storage Stability Organism
1.1.1.126 0-3°C, 1 mM NADP+, 90% retaining activity after 3 weeks Pseudomonas sp.

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
1.1.1.126 (4S,5S)-4,5-dihydroxy-2,6-dioxohexanoate + NADPH irreversible at pH 7.0, 1% reversibility at pH 10.0 Pseudomonas sp. 2-dehydro-3-deoxy-D-gluconate + NADP+
-
ir

Synonyms

EC Number Synonyms Comment Organism
1.1.1.126 ketodeoxygluconate dehydrogenase
-
Pseudomonas sp.

pH Optimum

EC Number pH Optimum Minimum pH Optimum Maximum Comment Organism
1.1.1.126 7 7.5
-
Pseudomonas sp.

Cofactor

EC Number Cofactor Comment Organism Structure
1.1.1.126 NADH 7.2% of the rate compared to NADPH Pseudomonas sp.
1.1.1.126 NADPH
-
Pseudomonas sp.