EC Number | Activating Compound | Comment | Organism | Structure |
---|---|---|---|---|
3.5.1.38 | additional information | use of phosphate buffer yields higher activities than Tris, phthalate, or citrate buffer, optimum concentration is 0.08 - 0.16 M phosphate | Aspergillus niger |
EC Number | Application | Comment | Organism |
---|---|---|---|
3.5.1.38 | drug development | enzyme could possibly be used as an anti-tumor therapeutic agent | Aspergillus niger |
EC Number | Inhibitors | Comment | Organism | Structure |
---|---|---|---|---|
3.5.1.38 | Hg2+ | - |
Aspergillus niger | |
3.5.1.38 | Mg2+ | - |
Aspergillus niger | |
3.5.1.38 | additional information | no product inhibition | Aspergillus niger |
EC Number | KM Value [mM] | KM Value Maximum [mM] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|---|
3.5.1.38 | 0.0026 | - |
L-asparagine | pH6, 40°C | Aspergillus niger | |
3.5.1.38 | 0.0051 | - |
L-glutamine | pH6, 40°C | Aspergillus niger | |
3.5.1.38 | 2.57 | - |
L-asparagine | - |
Aspergillus niger | |
3.5.1.38 | 5.05 | - |
L-glutamine | - |
Aspergillus niger |
EC Number | Natural Substrates | Organism | Comment (Nat. Sub.) | Natural Products | Comment (Nat. Pro.) | Rev. | Reac. |
---|---|---|---|---|---|---|---|
3.5.1.38 | L-asparagine + H2O | Aspergillus niger | involved in the maintenance of the correct L-asparagine/L-aspartate ratio | L-aspartate + NH3 | - |
? | |
3.5.1.38 | L-asparagine + H2O | Penicillium chrysogenum | involved in the maintenance of the correct L-asparagine/L-aspartate ratio | L-aspartate + NH3 | - |
? | |
3.5.1.38 | L-asparagine + H2O | Penicillium palitans | involved in the maintenance of the correct L-asparagine/L-aspartate ratio | L-aspartate + NH3 | - |
? | |
3.5.1.38 | L-asparagine + H2O | Aspergillus niger NRRL 3 | involved in the maintenance of the correct L-asparagine/L-aspartate ratio | L-aspartate + NH3 | - |
? | |
3.5.1.38 | L-glutamine + H2O | Aspergillus niger | involved in the maintenance of the correct L-glutamine/L-glutamate ratio | L-glutamate + NH3 | - |
? | |
3.5.1.38 | L-glutamine + H2O | Penicillium chrysogenum | involved in the maintenance of the correct L-glutamine/L-glutamate ratio | L-glutamate + NH3 | - |
? | |
3.5.1.38 | L-glutamine + H2O | Penicillium palitans | involved in the maintenance of the correct L-glutamine/L-glutamate ratio | L-glutamate + NH3 | - |
? | |
3.5.1.38 | L-glutamine + H2O | Aspergillus niger NRRL 3 | involved in the maintenance of the correct L-glutamine/L-glutamate ratio | L-glutamate + NH3 | - |
? |
EC Number | Organism | UniProt | Comment | Textmining |
---|---|---|---|---|
3.5.1.38 | Aspergillus niger | - |
NRRL3 | - |
3.5.1.38 | Aspergillus niger | - |
highest activity in 4 days old nitrate-grown mats | - |
3.5.1.38 | Aspergillus niger NRRL 3 | - |
NRRL3 | - |
3.5.1.38 | Aspergillus niger NRRL 3 | - |
highest activity in 4 days old nitrate-grown mats | - |
3.5.1.38 | Penicillium chrysogenum | - |
- |
- |
3.5.1.38 | Penicillium chrysogenum | - |
nitrate-grown mat | - |
3.5.1.38 | Penicillium palitans | - |
- |
- |
3.5.1.38 | Penicillium palitans | - |
nitrate-grown mat | - |
EC Number | Purification (Comment) | Organism |
---|---|---|
3.5.1.38 | - |
Aspergillus niger |
EC Number | Storage Stability | Organism |
---|---|---|
3.5.1.38 | activity is retained in the freezer for some months | Aspergillus niger |
EC Number | Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|---|
3.5.1.38 | D-asparagine + H2O | - |
Aspergillus niger | D-aspartate + NH3 | - |
? | |
3.5.1.38 | L-asparagine + H2O | involved in the maintenance of the correct L-asparagine/L-aspartate ratio | Aspergillus niger | L-aspartate + NH3 | - |
? | |
3.5.1.38 | L-asparagine + H2O | involved in the maintenance of the correct L-asparagine/L-aspartate ratio | Penicillium chrysogenum | L-aspartate + NH3 | - |
? | |
3.5.1.38 | L-asparagine + H2O | involved in the maintenance of the correct L-asparagine/L-aspartate ratio | Penicillium palitans | L-aspartate + NH3 | - |
? | |
3.5.1.38 | L-asparagine + H2O | ratio of glutaminase to aspariginase activity is 0.7 to 1 | Aspergillus niger | L-aspartate + NH3 | - |
? | |
3.5.1.38 | L-asparagine + H2O | ratio of glutaminase to aspariginase activity is 0.8 to 1 | Penicillium palitans | L-aspartate + NH3 | - |
? | |
3.5.1.38 | L-asparagine + H2O | ratio of glutaminase to aspariginase activity is 1.4 to 1 | Penicillium chrysogenum | L-aspartate + NH3 | - |
? | |
3.5.1.38 | L-asparagine + H2O | involved in the maintenance of the correct L-asparagine/L-aspartate ratio | Aspergillus niger NRRL 3 | L-aspartate + NH3 | - |
? | |
3.5.1.38 | L-glutamine + H2O | - |
Aspergillus niger | L-glutamate + NH3 | - |
? | |
3.5.1.38 | L-glutamine + H2O | involved in the maintenance of the correct L-glutamine/L-glutamate ratio | Aspergillus niger | L-glutamate + NH3 | - |
? | |
3.5.1.38 | L-glutamine + H2O | involved in the maintenance of the correct L-glutamine/L-glutamate ratio | Penicillium chrysogenum | L-glutamate + NH3 | - |
? | |
3.5.1.38 | L-glutamine + H2O | involved in the maintenance of the correct L-glutamine/L-glutamate ratio | Penicillium palitans | L-glutamate + NH3 | - |
? | |
3.5.1.38 | L-glutamine + H2O | ratio of glutaminase to aspariginase activity is 0.7 to 1 | Aspergillus niger | L-glutamate + NH3 | - |
? | |
3.5.1.38 | L-glutamine + H2O | ratio of glutaminase to aspariginase activity is 0.8 to 1 | Penicillium palitans | L-glutamate + NH3 | - |
? | |
3.5.1.38 | L-glutamine + H2O | ratio of glutaminase to aspariginase activity is 1.4 to 1 | Penicillium chrysogenum | L-glutamate + NH3 | - |
? | |
3.5.1.38 | L-glutamine + H2O | - |
Aspergillus niger NRRL 3 | L-glutamate + NH3 | - |
? | |
3.5.1.38 | L-glutamine + H2O | involved in the maintenance of the correct L-glutamine/L-glutamate ratio | Aspergillus niger NRRL 3 | L-glutamate + NH3 | - |
? | |
3.5.1.38 | L-glutamine + H2O | ratio of glutaminase to aspariginase activity is 0.7 to 1 | Aspergillus niger NRRL 3 | L-glutamate + NH3 | - |
? | |
3.5.1.38 | additional information | acetamide, nicotinamide, and NAD are not hydrolyzed | Aspergillus niger | ? | - |
? | |
3.5.1.38 | additional information | acetamide, nicotinamide, and NAD are not hydrolyzed | Penicillium chrysogenum | ? | - |
? | |
3.5.1.38 | additional information | acetamide, nicotinamide, and NAD are not hydrolyzed | Penicillium palitans | ? | - |
? | |
3.5.1.38 | additional information | acetamide, nicotinamide, and NAD are not hydrolyzed | Aspergillus niger NRRL 3 | ? | - |
? |
EC Number | Temperature Optimum [°C] | Temperature Optimum Maximum [°C] | Comment | Organism |
---|---|---|---|---|
3.5.1.38 | 50 | - |
- |
Penicillium chrysogenum |
3.5.1.38 | 60 | - |
- |
Aspergillus niger |
EC Number | Temperature Minimum [°C] | Temperature Maximum [°C] | Comment | Organism |
---|---|---|---|---|
3.5.1.38 | 30 | 80 | - |
Aspergillus niger |
EC Number | Temperature Stability Minimum [°C] | Temperature Stability Maximum [°C] | Comment | Organism |
---|---|---|---|---|
3.5.1.38 | 40 | - |
30 min, about 10% loss of activity | Aspergillus niger |
3.5.1.38 | 50 | - |
30 min, about 40% loss of activity | Aspergillus niger |
3.5.1.38 | 60 | - |
30 min, about 70% loss of activity | Aspergillus niger |
3.5.1.38 | 60 | - |
incubation at 60°C in the absence of substrate for 20 min causes a 70% increase in activity | Aspergillus niger |
EC Number | pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
---|---|---|---|---|
3.5.1.38 | 4 | - |
activity is higher in phosphate buffer than in citrate buffer | Aspergillus niger |
3.5.1.38 | 6 | 7 | - |
Penicillium chrysogenum |
3.5.1.38 | 6 | - |
- |
Aspergillus niger |
EC Number | pH Minimum | pH Maximum | Comment | Organism |
---|---|---|---|---|
3.5.1.38 | 4 | 9 | - |
Aspergillus niger |