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Literature summary extracted from

  • Johnsen, U.; Schonheit, P.
    Novel xylose dehydrogenase in the halophilic archaeon Haloarcula marismortui (2004), J. Bacteriol., 186, 6198-6207 .
    View publication on PubMedView publication on EuropePMC

Activating Compound

EC Number Activating Compound Comment Organism Structure
1.1.1.424 KCl maximum activity at 1.5 M, strong stimulation Haloarcula marismortui
1.1.1.424 MgCl2 maximum activity at 0.1 M, strong stimulation Haloarcula marismortui
1.1.1.424 NaCl maximum activity at 1.5 M, strong stimulation Haloarcula marismortui

Cloned(Commentary)

EC Number Cloned (Comment) Organism
1.1.1.424 expression in Escherichia coli Haloarcula marismortui

KM Value [mM]

EC Number KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
1.1.1.424 0.15
-
NADP+ pH 8.3, 37°C Haloarcula marismortui
1.1.1.424 0.9
-
NAD+ pH 8.3, 37°C Haloarcula marismortui
1.1.1.424 1.2
-
D-xylose pH 8.3, 37°C Haloarcula marismortui
1.1.1.424 2.3
-
D-ribose pH 8.3, 37°C Haloarcula marismortui
1.1.1.424 64
-
D-glucose pH 8.3, 37°C Haloarcula marismortui

Molecular Weight [Da]

EC Number Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
1.1.1.424 175000
-
gel filtration Haloarcula marismortui

Natural Substrates/ Products (Substrates)

EC Number Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
1.1.1.424 D-xylose + NAD+ Haloarcula marismortui
-
D-xylonolactone + H+ + NADH
-
?
1.1.1.424 D-xylose + NAD+ Haloarcula marismortui DSM 3752
-
D-xylonolactone + H+ + NADH
-
?
1.1.1.424 D-xylose + NADP+ Haloarcula marismortui
-
D-xylono-1,4-lactone + NADPH + H+
-
?
1.1.1.424 D-xylose + NADP+ Haloarcula marismortui DSM 3752
-
D-xylono-1,4-lactone + NADPH + H+
-
?

Organism

EC Number Organism UniProt Comment Textmining
1.1.1.424 Haloarcula marismortui Q5UY95
-
-
1.1.1.424 Haloarcula marismortui DSM 3752 Q5UY95
-
-

Purification (Commentary)

EC Number Purification (Comment) Organism
1.1.1.424 both native and recombinant protein Haloarcula marismortui

Specific Activity [micromol/min/mg]

EC Number Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
1.1.1.424 100
-
pH 8.3, 37°C Haloarcula marismortui

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
1.1.1.424 D-glucose + NADP+
-
Haloarcula marismortui D-gluconolactone + NADPH + H+
-
?
1.1.1.424 D-glucose + NADP+
-
Haloarcula marismortui DSM 3752 D-gluconolactone + NADPH + H+
-
?
1.1.1.424 D-ribose + NADP+
-
Haloarcula marismortui D-ribonolactone + H+ + NADPH
-
?
1.1.1.424 D-ribose + NADP+
-
Haloarcula marismortui DSM 3752 D-ribonolactone + H+ + NADPH
-
?
1.1.1.424 D-xylose + NAD+
-
Haloarcula marismortui D-xylonolactone + H+ + NADH
-
?
1.1.1.424 D-xylose + NAD+
-
Haloarcula marismortui DSM 3752 D-xylonolactone + H+ + NADH
-
?
1.1.1.424 D-xylose + NADP+
-
Haloarcula marismortui D-xylono-1,4-lactone + NADPH + H+
-
?
1.1.1.424 D-xylose + NADP+
-
Haloarcula marismortui DSM 3752 D-xylono-1,4-lactone + NADPH + H+
-
?

Subunits

EC Number Subunits Comment Organism
1.1.1.424 tetramer 4 * 57000, SDS-PAGE, 4 * 39900, calculated from sequence Haloarcula marismortui

Synonyms

EC Number Synonyms Comment Organism
1.1.1.424 Gfo6
-
Haloarcula marismortui
1.1.1.424 xacA
-
Haloarcula marismortui

Temperature Optimum [°C]

EC Number Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
1.1.1.424 50
-
presence of 1.5 M KCl Haloarcula marismortui

Turnover Number [1/s]

EC Number Turnover Number Minimum [1/s] Turnover Number Maximum [1/s] Substrate Comment Organism Structure
1.1.1.424 273
-
D-glucose pH 8.3, 37°C Haloarcula marismortui
1.1.1.424 356
-
D-xylose pH 8.3, 37°C Haloarcula marismortui
1.1.1.424 360
-
D-ribose pH 8.3, 37°C Haloarcula marismortui

pH Optimum

EC Number pH Optimum Minimum pH Optimum Maximum Comment Organism
1.1.1.424 8.3
-
presence of 1.5 M KCl Haloarcula marismortui

pH Range

EC Number pH Minimum pH Maximum Comment Organism
1.1.1.424 7
-
50% of maximum activity Haloarcula marismortui
1.1.1.424 9
-
50% of maximum activity Haloarcula marismortui

Cofactor

EC Number Cofactor Comment Organism Structure
1.1.1.424 NAD+
-
Haloarcula marismortui
1.1.1.424 NADP+
-
Haloarcula marismortui

kcat/KM [mM/s]

EC Number kcat/KM Value [1/mMs-1] kcat/KM Value Maximum [1/mMs-1] Substrate Comment Organism Structure
1.1.1.424 4.3
-
D-glucose pH 8.3, 37°C Haloarcula marismortui
1.1.1.424 157
-
D-ribose pH 8.3, 37°C Haloarcula marismortui
1.1.1.424 297
-
D-xylose pH 8.3, 37°C Haloarcula marismortui