EC Number | General Stability | Organism |
---|---|---|
1.2.1.8 | salt-tolerant enzyme retains 50% of its initial activity at 1.2 M K+ | Escherichia coli |
EC Number | Inhibitors | Comment | Organism | Structure |
---|---|---|---|---|
1.2.1.8 | acetaldehyde | 100 mM, 83% inhibition | Escherichia coli | |
1.2.1.8 | benzaldehyde | 1 mM, 51% inhibition | Escherichia coli | |
1.2.1.8 | Betaine aldehyde | above 0.5 mM | Escherichia coli | |
1.2.1.8 | Butyrylcholine | 100 mM, 73% inhibition | Escherichia coli | |
1.2.1.8 | choline | 100 mM, 78% inhibition | Escherichia coli | |
1.2.1.8 | ethanolamine | 100 mM, 35% inhibition | Escherichia coli | |
1.2.1.8 | glyceraldehyde | 100 mM, 83% inhibition | Escherichia coli | |
1.2.1.8 | Hg2+ | 0.0001-0.0005 mM HgCl2 | Escherichia coli | |
1.2.1.8 | iodoacetamide | 1 mM | Escherichia coli | |
1.2.1.8 | iodoacetate | 1 mM | Escherichia coli | |
1.2.1.8 | isopentanal | 1 mM, 84% inhibition | Escherichia coli | |
1.2.1.8 | additional information | no substrate inhibition with NAD+ | Escherichia coli | |
1.2.1.8 | N,N-dimethylethanolamine | 100 mM, 57% inhibition | Escherichia coli | |
1.2.1.8 | N,N-dimethylglycine | 1 mM, 24% inhibition | Escherichia coli | |
1.2.1.8 | N-Methylethanolamine | 100 mM, 50% inhibition | Escherichia coli | |
1.2.1.8 | N-methylglycine | 1 mM, 24% inhibition | Escherichia coli | |
1.2.1.8 | NADP+ | substrate inhibition above 10 mM | Escherichia coli | |
1.2.1.8 | PCMB | 0.0001-0.0005 mM | Escherichia coli | |
1.2.1.8 | phenylacetaldehyde | 1 mM, 54% inhibition | Escherichia coli | |
1.2.1.8 | tetramethylammonium hydroxide | 100 mM, 57% inhibition | Escherichia coli | |
1.2.1.8 | trimethylacetaldehyde | 100 mM, 89% inhibition | Escherichia coli | |
1.2.1.8 | ZnCl2 | 0.0001-0.0005 mM | Escherichia coli |
EC Number | KM Value [mM] | KM Value Maximum [mM] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|---|
1.2.1.8 | 0.099 | - |
NAD+ | - |
Escherichia coli | |
1.2.1.8 | 0.16 | - |
Betaine aldehyde | - |
Escherichia coli | |
1.2.1.8 | 0.4 | - |
NADP+ | - |
Escherichia coli |
EC Number | Metals/Ions | Comment | Organism | Structure |
---|---|---|---|---|
1.2.1.8 | K+ | activation up to 0.15 M, decreases activity at higher concentrations | Escherichia coli |
EC Number | Molecular Weight [Da] | Molecular Weight Maximum [Da] | Comment | Organism |
---|---|---|---|---|
1.2.1.8 | 55000 | - |
4 * 55000, SDS-PAGE | Escherichia coli |
1.2.1.8 | 232000 | - |
gel filtration | Escherichia coli |
EC Number | Natural Substrates | Organism | Comment (Nat. Sub.) | Natural Products | Comment (Nat. Pro.) | Rev. | Reac. |
---|---|---|---|---|---|---|---|
1.2.1.8 | betaine aldehyde + NAD+ + H2O | Escherichia coli | the salt tolerance is an essential property for the enzyme participating in the cellular synthesis of an osmoprotectant | betaine + NADH | - |
ir |
EC Number | Organism | UniProt | Comment | Textmining |
---|---|---|---|---|
1.2.1.8 | Escherichia coli | - |
over-producing strain carrying the structural gene for the enzyme on the plasmid pBR322 | - |
EC Number | Purification (Comment) | Organism |
---|---|---|
1.2.1.8 | - |
Escherichia coli |
EC Number | Specific Activity Minimum [µmol/min/mg] | Specific Activity Maximum [µmol/min/mg] | Comment | Organism |
---|---|---|---|---|
1.2.1.8 | 38 | - |
- |
Escherichia coli |
EC Number | Storage Stability | Organism |
---|---|---|
1.2.1.8 | -80°C, frozen in presence of 10 mM dithiothreitol, stable for several months without appreciable loss of activity | Escherichia coli |
EC Number | Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|---|
1.2.1.8 | betaine aldehyde + NAD+ + H2O | highly specific for betaine aldehyde | Escherichia coli | betaine + NADH | - |
ir | |
1.2.1.8 | betaine aldehyde + NAD+ + H2O | the salt tolerance is an essential property for the enzyme participating in the cellular synthesis of an osmoprotectant | Escherichia coli | betaine + NADH | - |
ir | |
1.2.1.8 | betaine aldehyde + NADP+ + H2O | NAD+ is preferred over NADP+ | Escherichia coli | betaine + NADPH | - |
? |
EC Number | Subunits | Comment | Organism |
---|---|---|---|
1.2.1.8 | tetramer | 4 * 55000, SDS-PAGE | Escherichia coli |
EC Number | pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
---|---|---|---|---|
1.2.1.8 | 7.5 | 9.5 | - |
Escherichia coli |
EC Number | Cofactor | Comment | Organism | Structure |
---|---|---|---|---|
1.2.1.8 | NAD+ | NAD+ is preferred over NADP+ | Escherichia coli | |
1.2.1.8 | NADP+ | NAD+ is preferred over NADP+ | Escherichia coli |
EC Number | Ki Value [mM] | Ki Value maximum [mM] | Inhibitor | Comment | Organism | Structure |
---|---|---|---|---|---|---|
1.2.1.8 | 0.1 | - |
isopentanal | - |
Escherichia coli | |
1.2.1.8 | 0.53 | - |
phenylacetaldehyde | - |
Escherichia coli | |
1.2.1.8 | 0.7 | - |
benzaladehyde | - |
Escherichia coli | |
1.2.1.8 | 4.5 | - |
trimethylacetaldehyde | - |
Escherichia coli | |
1.2.1.8 | 5.7 | - |
acetaldehyde | - |
Escherichia coli | |
1.2.1.8 | 7.4 | - |
glyceraldehyde | - |
Escherichia coli | |
1.2.1.8 | 11 | - |
choline | - |
Escherichia coli | |
1.2.1.8 | 14 | - |
Butyrylcholine | - |
Escherichia coli | |
1.2.1.8 | 26 | - |
tetramethylammonium hydroxide | - |
Escherichia coli | |
1.2.1.8 | 27 | - |
N,N-dimethylethanolamine | - |
Escherichia coli | |
1.2.1.8 | 40 | - |
N-Methylethanolamine | - |
Escherichia coli | |
1.2.1.8 | 78 | - |
ethanolamine | - |
Escherichia coli | |
1.2.1.8 | 130 | - |
N,N-dimethylglycine | - |
Escherichia coli | |
1.2.1.8 | 130 | - |
N-methylglycine | - |
Escherichia coli |