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Literature summary for 4.2.1.81 extracted from

  • Rode, H.; Giffhorn, F.
    Ferrous- or cobalt ion-dependent D-(-)-tartrate dehydratase of pseudomonads: purification and properties (1982), J. Bacteriol., 151, 1602-1604.
    View publication on PubMedView publication on EuropePMC

Inhibitors

Inhibitors Comment Organism Structure
D-malate weak Pseudomonas sp.
EDTA Fe2+ or Co2+ restores; strong Pseudomonas sp.
L(+)-Tartrate weak Pseudomonas sp.
L-malate weak Pseudomonas sp.
meso-tartrate
-
Pseudomonas sp.
additional information no inhibition by iodoacetate Pseudomonas sp.
Zn2+
-
Pseudomonas sp.

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.18
-
(S,S)-Tartrate strain Ch Pseudomonas sp.
0.6
-
(S,S)-Tartrate strain G2 Pseudomonas sp.

Localization

Localization Comment Organism GeneOntology No. Textmining
cytosol
-
Pseudomonas sp. 5829
-

Metals/Ions

Metals/Ions Comment Organism Structure
Ca2+ requirement, can replace Fe2+ or Co2+ with about 30% (strain G2) and 55% (strain Ch) efficiency Pseudomonas sp.
Co2+ requirement, 0.5 mM, equally effective as Fe2+ Pseudomonas sp.
divalent cations requirement Pseudomonas sp.
Fe2+ requirement, 0.1 mM, equally effective as Co2+ Pseudomonas sp.
Mg2+ requirement, can replace Fe2+ or Co2+ with about 60% (strain G2) and 80% (strain Ch) efficiency Pseudomonas sp.
Mn2+ requirement, can replace Fe2+ or Co2+ with about 65% efficiency Pseudomonas sp.
Ni2+ requirement, can replace Fe2+ or Co2+ with about 30% (strain G2) and 80% (strain Ch) efficiency Pseudomonas sp.

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
38500
-
2 * 38500, SDS-PAGE Pseudomonas sp.
72000
-
strain Ch, gel filtration Pseudomonas sp.
78000
-
strain G2, gel filtration Pseudomonas sp.

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
(S,S)-tartrate Pseudomonas sp.
-
oxaloacetate + H2O
-
?
additional information Pseudomonas sp. involved in D-tartrate catabolism ?
-
?

Organism

Organism UniProt Comment Textmining
Pseudomonas sp.
-
strains G2 and Ch
-

Oxidation Stability

Oxidation Stability Organism
insensitive to O2, no thiols required for protection, 15 h stable at 22°C Pseudomonas sp.

Purification (Commentary)

Purification (Comment) Organism
to near homogeneity Pseudomonas sp.

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
3.1
-
strain Ch Pseudomonas sp.
13.6
-
strain G2 Pseudomonas sp.

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
(S,S)-tartrate
-
Pseudomonas sp. oxaloacetate + H2O
-
?
additional information involved in D-tartrate catabolism Pseudomonas sp. ?
-
?

Subunits

Subunits Comment Organism
dimer 2 * 38500, SDS-PAGE Pseudomonas sp.

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
30
-
assay at Pseudomonas sp.

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
7.5
-
-
Pseudomonas sp.