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Literature summary for 5.1.3.4 extracted from

  • Gielow, W.O.; Lee, N.
    L-Ribulose-5-phosphate 4-epimerase from Escherichia coli (1975), Methods Enzymol., 41B, 419-423.
No PubMed abstract available

Crystallization (Commentary)

Crystallization (Comment) Organism
-
Escherichia coli

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.095
-
L-ribulose 5-phosphate
-
Escherichia coli

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
35000
-
3 * 35000, sedimentation equilibrium measurement after dissociation of the enzyme with urea or performic acid oxidation Escherichia coli
105000
-
sedimentation equilibrium measurement Escherichia coli

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
L-Ribulose 5-phosphate Escherichia coli third enzyme in the pathway of L-arabinose metabolism ?
-
?

Organism

Organism UniProt Comment Textmining
Escherichia coli
-
-
-

Purification (Commentary)

Purification (Comment) Organism
-
Escherichia coli

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
additional information
-
-
Escherichia coli

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
L-Ribulose 5-phosphate
-
Escherichia coli D-Xylulose 5-phosphate
-
?
L-Ribulose 5-phosphate third enzyme in the pathway of L-arabinose metabolism Escherichia coli ?
-
?

Subunits

Subunits Comment Organism
trimer 3 * 35000, sedimentation equilibrium measurement after dissociation of the enzyme with urea or performic acid oxidation Escherichia coli

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
7
-
at pH 7 and above Escherichia coli