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Literature summary extracted from
- Glutamate racemase from Mycobacterium tuberculosis inhibits DNA gyrase by affecting its DNA-binding (2006), Nucleic Acids Res., 34, 5567-5576.
Cloned(Commentary)
| EC Number | Cloned (Comment) | Organism |
|---|---|---|
| 5.1.1.3 | Escherichia coli strains DH5a and BL26(DE3) are used for cloning and overexpression of mycobacterial MurI, respectively | Mycobacterium tuberculosis |
Molecular Weight [Da]
| EC Number | Molecular Weight [Da] | Molecular Weight Maximum [Da] | Comment | Organism |
|---|---|---|---|---|
| 5.1.1.3 | 28800 | - |
MALDI-TOF analysis | Mycobacterium tuberculosis |
Organism
| EC Number | Organism | UniProt | Comment | Textmining |
|---|---|---|---|---|
| 5.1.1.3 | Mycobacterium tuberculosis | - |
- |
- |
Specific Activity [micromol/min/mg]
| EC Number | Specific Activity Minimum [µmol/min/mg] | Specific Activity Maximum [µmol/min/mg] | Comment | Organism |
|---|---|---|---|---|
| 5.1.1.3 | additional information | - |
it is demonstrated that mycobacterial MurI inhibits DNA gyrase activity. Inhibition is not species-specific as Escherichia coli gyrase is also inhibited but is enzyme-specific as topoisomerase I activity remains unaltered. MurI binds to GyrA subunit of the enzyme leading to a decrease in DNA-binding of the holoenzyme. The sequestration of the gyrase by MurI results in inhibition of all reactions catalysed by DNA gyrase. MurI is thus not a typical potent inhibitor of DNA gyrase and instead its role could be in modulation of the gyrase activity | Mycobacterium tuberculosis |
Substrates and Products (Substrate)
| EC Number | Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
|---|---|---|---|---|---|---|---|
| 5.1.1.3 | L-glutamate | - |
Mycobacterium tuberculosis | D-glutamate | - |
r |  |
Synonyms
| EC Number | Synonyms | Comment | Organism |
|---|---|---|---|
| 5.1.1.3 | glutamate racemase | - |
Mycobacterium tuberculosis |
| 5.1.1.3 | MurI | - |
Mycobacterium tuberculosis |
Temperature Optimum [°C]
| EC Number | Temperature Optimum [°C] | Temperature Optimum Maximum [°C] | Comment | Organism |
|---|---|---|---|---|
| 5.1.1.3 | 37 | - |
assay at | Mycobacterium tuberculosis |
pH Optimum
| EC Number | pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
|---|---|---|---|---|
| 5.1.1.3 | 8 | - |
assay at | Mycobacterium tuberculosis |
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Release 2023.1 (January 2023)
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