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Literature summary extracted from
- L-Ribulose-5-phosphate 4-epimerase from Escherichia coli (1975), Methods Enzymol., 41B, 419-423.
No PubMed abstract available
Crystallization (Commentary)
| EC Number | Crystallization (Comment) | Organism |
|---|---|---|
| 5.1.3.4 | - |
Escherichia coli |
KM Value [mM]
| EC Number | KM Value [mM] | KM Value Maximum [mM] | Substrate | Comment | Organism | Structure |
|---|---|---|---|---|---|---|
| 5.1.3.4 | 0.095 | - |
L-ribulose 5-phosphate | - |
Escherichia coli |  |
Molecular Weight [Da]
| EC Number | Molecular Weight [Da] | Molecular Weight Maximum [Da] | Comment | Organism |
|---|---|---|---|---|
| 5.1.3.4 | 35000 | - |
3 * 35000, sedimentation equilibrium measurement after dissociation of the enzyme with urea or performic acid oxidation | Escherichia coli |
| 5.1.3.4 | 105000 | - |
sedimentation equilibrium measurement | Escherichia coli |
Natural Substrates/ Products (Substrates)
| EC Number | Natural Substrates | Organism | Comment (Nat. Sub.) | Natural Products | Comment (Nat. Pro.) | Rev. | Reac. |
|---|---|---|---|---|---|---|---|
| 5.1.3.4 | L-Ribulose 5-phosphate | Escherichia coli | third enzyme in the pathway of L-arabinose metabolism | ? | - |
? | |
Organism
| EC Number | Organism | UniProt | Comment | Textmining |
|---|---|---|---|---|
| 5.1.3.4 | Escherichia coli | - |
- |
- |
Purification (Commentary)
| EC Number | Purification (Comment) | Organism |
|---|---|---|
| 5.1.3.4 | - |
Escherichia coli |
Specific Activity [micromol/min/mg]
| EC Number | Specific Activity Minimum [µmol/min/mg] | Specific Activity Maximum [µmol/min/mg] | Comment | Organism |
|---|---|---|---|---|
| 5.1.3.4 | additional information | - |
- |
Escherichia coli |
Substrates and Products (Substrate)
| EC Number | Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
|---|---|---|---|---|---|---|---|
| 5.1.3.4 | L-Ribulose 5-phosphate | - |
Escherichia coli | D-Xylulose 5-phosphate | - |
? | |
| 5.1.3.4 | L-Ribulose 5-phosphate | third enzyme in the pathway of L-arabinose metabolism | Escherichia coli | ? | - |
? | |
Subunits
| EC Number | Subunits | Comment | Organism |
|---|---|---|---|
| 5.1.3.4 | trimer | 3 * 35000, sedimentation equilibrium measurement after dissociation of the enzyme with urea or performic acid oxidation | Escherichia coli |
pH Optimum
| EC Number | pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
|---|---|---|---|---|
| 5.1.3.4 | 7 | - |
at pH 7 and above | Escherichia coli |
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Release 2023.1 (January 2023)
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