Application | Comment | Organism |
---|---|---|
drug development | arginase catalyzes the first committed step in the biosynthesis of polyamines that enable cell growth and hence potential drug target for the treatment of leishmaniasis | Leishmania donovani |
Cloned (Comment) | Organism |
---|---|
overexpression in Escherichia coli BL21 (DE3) | Leishmania donovani |
Protein Variants | Comment | Organism |
---|---|---|
E288Q | increase in KM value of the E288Q mutant enzyme as compared to wild-type enzyme suggests that substrate binding is significantly affected by the mutation | Leishmania donovani |
KM Value [mM] | KM Value Maximum [mM] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|
24.76 | - |
L-arginine | pH 9.0, 37°C, wild-type enzyme | Leishmania donovani | |
107 | - |
L-arginine | pH 9.0, 37°C, mutant enzyme E288Q | Leishmania donovani |
Molecular Weight [Da] | Molecular Weight Maximum [Da] | Comment | Organism |
---|---|---|---|
36000 | - |
SDS-PAGE | Leishmania donovani |
108000 | - |
gel filtration | Leishmania donovani |
Natural Substrates | Organism | Comment (Nat. Sub.) | Natural Products | Comment (Nat. Pro.) | Rev. | Reac. |
---|---|---|---|---|---|---|
L-arginine + H2O | Leishmania donovani | arginase catalyzes the first committed step in the biosynthesis of polyamines | L-ornithine + urea | - |
? |
Organism | UniProt | Comment | Textmining |
---|---|---|---|
Leishmania donovani | A0A0M4MCX5 | - |
- |
Purification (Comment) | Organism |
---|---|
- |
Leishmania donovani |
Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|
L-arginine + H2O | - |
Leishmania donovani | L-ornithine + urea | - |
? | |
L-arginine + H2O | arginase catalyzes the first committed step in the biosynthesis of polyamines | Leishmania donovani | L-ornithine + urea | - |
? |
Subunits | Comment | Organism |
---|---|---|
homotrimer | 3 * 36000, SDs-PAGE | Leishmania donovani |
Temperature Optimum [°C] | Temperature Optimum Maximum [°C] | Comment | Organism |
---|---|---|---|
37 | - |
- |
Leishmania donovani |
Temperature Minimum [°C] | Temperature Maximum [°C] | Comment | Organism |
---|---|---|---|
30 | 45 | 30°C: about 70% of maximal activity, 45°C: about 50% of maximal activity | Leishmania donovani |
Turnover Number Minimum [1/s] | Turnover Number Maximum [1/s] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|
179 | - |
L-arginine | pH 9.0, 37°C, wild-type enzyme | Leishmania donovani | |
190 | - |
L-arginine | pH 9.0, 37°C, mutant enzyme E288Q | Leishmania donovani |
pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
---|---|---|---|
9 | - |
- |
Leishmania donovani |
pH Minimum | pH Maximum | Comment | Organism |
---|---|---|---|
8 | 10 | pH 8.0: about 60% of maximal activity, pH 10.5: about 55% of maximal activity | Leishmania donovani |
General Information | Comment | Organism |
---|---|---|
metabolism | arginase catalyzes the first committed step in the biosynthesis of polyamines | Leishmania donovani |
kcat/KM Value [1/mMs-1] | kcat/KM Value Maximum [1/mMs-1] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|
1.7 | - |
L-arginine | pH 9.0, 37°C, mutant enzyme E288Q | Leishmania donovani | |
7.2 | - |
L-arginine | pH 9.0, 37°C, wild-type enzyme | Leishmania donovani |