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Literature summary for 1.1.1.267 extracted from

  • Yin, X.; Proteau, P.J.
    Characterization of native and histidine-tagged deoxyxylulose 5-phosphate reductoisomerase from the cyanobacterium Synechocystis sp. PCC6803 (2003), Biochim. Biophys. Acta, 1652, 75-81.
    View publication on PubMed

Inhibitors

Inhibitors Comment Organism Structure
NaCl 100 mM, 87% residual activity Synechocystis sp.

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.001
-
NADPH pH 7.5, 37°C, presence of 1 mM Co2+ Synechocystis sp.
0.0033
-
NADPH pH 7.5, 37°C, presence of 1 mM Mn2+ Synechocystis sp.
0.005
-
NADPH pH 7.5, 37°C, presence of 1 mM Mg2+ Synechocystis sp.
0.063
-
1-deoxy-D-xylulose-5-phosphate pH 7.5, 37°C, presence of 1 mM Co2+ Synechocystis sp.
0.134
-
1-deoxy-D-xylulose-5-phosphate pH 7.5, 37°C, presence of 1 mM Mg2+ Synechocystis sp.
0.195
-
1-deoxy-D-xylulose-5-phosphate pH 7.5, 37°C, presence of 1 mM Mn2+ Synechocystis sp.

Metals/Ions

Metals/Ions Comment Organism Structure
Co2+ required, Km-value 0.001 mM Synechocystis sp.
Mg2+ Km-value 2.37 mM Synechocystis sp.
Mn2+ may substitute for Co2+, Km-value 0.0015 mM Synechocystis sp.

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
42500
-
x * 42500, SDS-PAGE Synechocystis sp.
75000
-
PAGE Synechocystis sp.

Organism

Organism UniProt Comment Textmining
Synechocystis sp.
-
strain PCC6803, native and recombinant enzyme
-

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
1-deoxy-D-xylulose-5-phosphate + NADPH
-
Synechocystis sp. methyl-D-erythritol-4-phosphate + NADP+
-
?

Subunits

Subunits Comment Organism
dimer x * 42500, SDS-PAGE Synechocystis sp.

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
55
-
-
Synechocystis sp.

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
7.5 8
-
Synechocystis sp.

Cofactor

Cofactor Comment Organism Structure
NADPH
-
Synechocystis sp.