General Stability | Organism |
---|---|
NAD+ and sulfhydryl compounds are necessary for stabilization | Pseudomonas fluorescens |
KM Value [mM] | KM Value Maximum [mM] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|
0.015 | - |
4-aminobutanal | - |
Pseudomonas fluorescens | |
0.04 | - |
NAD+ | - |
Pseudomonas fluorescens |
Natural Substrates | Organism | Comment (Nat. Sub.) | Natural Products | Comment (Nat. Pro.) | Rev. | Reac. |
---|---|---|---|---|---|---|
4-aminobutanal + NAD+ + H2O | Escherichia coli | - |
4-aminobutanoate + NADH + H+ | - |
? | |
4-aminobutanal + NAD+ + H2O | Pseudomonas fluorescens | gamma-aminobutyrate metabolism | 4-aminobutanoate + NADH + H+ | - |
? |
Organism | UniProt | Comment | Textmining |
---|---|---|---|
Escherichia coli | - |
- |
- |
Pseudomonas fluorescens | - |
A.T.C.C. 13430 | - |
Purification (Comment) | Organism |
---|---|
- |
Pseudomonas fluorescens |
Specific Activity Minimum [µmol/min/mg] | Specific Activity Maximum [µmol/min/mg] | Comment | Organism |
---|---|---|---|
11.6 | - |
purified enzyme | Pseudomonas fluorescens |
Storage Stability | Organism |
---|---|
2°C, overnight, purified enzyme, 20% loss of activity | Pseudomonas fluorescens |
Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|
4-aminobutanal + NAD+ + H2O | - |
Escherichia coli | 4-aminobutanoate + NADH + H+ | - |
? | |
4-aminobutanal + NAD+ + H2O | - |
Pseudomonas fluorescens | 4-aminobutanoate + NADH + H+ | - |
? | |
4-aminobutanal + NAD+ + H2O | specific for | Escherichia coli | 4-aminobutanoate + NADH + H+ | - |
? | |
4-aminobutanal + NAD+ + H2O | specific for | Escherichia coli | 4-aminobutanoate + NADH + H+ | - |
ir | |
4-aminobutanal + NAD+ + H2O | gamma-aminobutyrate metabolism | Pseudomonas fluorescens | 4-aminobutanoate + NADH + H+ | - |
? | |
additional information | 1-pyrroline is used as source of substrate, delta1-pyrroline and gamma-aminobutyraldehyde exist as an equilibrium mixture in aqueous solution with the former as the predominant species | Pseudomonas fluorescens | ? | - |
? | |
additional information | not: DELTA1-piperidine, glutamic semialdehyde, succinic semialdehyde, malonic semialdehyde | Pseudomonas fluorescens | ? | - |
? |
Temperature Stability Minimum [°C] | Temperature Stability Maximum [°C] | Comment | Organism |
---|---|---|---|
-15 | - |
retains 70% of activity when stored for 2 weeks | Pseudomonas fluorescens |
2 | - |
80% loss of activity after overnight storage | Pseudomonas fluorescens |
pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
---|---|---|---|
8.2 | - |
- |
Pseudomonas fluorescens |
pH Minimum | pH Maximum | Comment | Organism |
---|---|---|---|
7 | 8.3 | highly active between | Pseudomonas fluorescens |
Cofactor | Comment | Organism | Structure |
---|---|---|---|
additional information | not NADP+ | Pseudomonas fluorescens | |
NAD+ | - |
Escherichia coli | |
NAD+ | - |
Pseudomonas fluorescens |