Cloned (Comment) | Organism |
---|---|
expressed in Escherichia coli M15 (pREP4) cells | Bacillus subtilis |
Protein Variants | Comment | Organism |
---|---|---|
A246K | the mutant shows a large decrease in activity and a roughly 19fold lower affinity for myristic acid than the wild type enzyme | Bacillus subtilis |
A246S | the mutation decreases the catalytic activity, but does not affect affinity for myristic acid | Bacillus subtilis |
A246V | the mutant shows slightly reduced activity and moderately reduced affinity for myristic acid | Bacillus subtilis |
F250K | the mutant shows decreased specific activity compared to the wild type enzyme | Bacillus subtilis |
I244K | the mutant shows decreased specific activity compared to the wild type enzyme | Bacillus subtilis |
I247K | the mutant shows decreased specific activity compared to the wild type enzyme | Bacillus subtilis |
L237K | the mutants shows specific activity similar to the wild type enzyme | Bacillus subtilis |
L241K | the mutants shows specific activity similar to the wild type enzyme | Bacillus subtilis |
L251K | the mutant shows decreased specific activity compared to the wild type enzyme | Bacillus subtilis |
P243A | the mutant shows decreased specific activity compared to the wild type enzyme and gives an absorption spectrum that is not characteristic of a nitrogenous ligand-bound form of a ferric P450 | Bacillus subtilis |
P243H | inactive, the mutant gives an absorption spectrum characteristic of a nitrogenous ligand-bound form of a ferric P450 | Bacillus subtilis |
P243K | inactive, the mutant gives an absorption spectrum characteristic of a nitrogenous ligand-bound form of a ferric P450 | Bacillus subtilis |
P243S | the mutant shows decreased specific activity compared to the wild type enzyme and gives an absorption spectrum that is not characteristic of a nitrogenous ligand-bound form of a ferric P450 | Bacillus subtilis |
R242A | the mutant shows about a 5fold lower affinity than the wild type for myristic acid, if cumene hydroperoxide is used instead of H2o2, however, the Km value is not affected much by this substitution | Bacillus subtilis |
R242K | the mutant shows a large decrease in activity for myristic acid and H2O2, if cumene hydroperoxide is used instead of H2o2, however, the Km value is not affected much by this substitution | Bacillus subtilis |
S248K | the mutant shows decreased specific activity compared to the wild type enzyme | Bacillus subtilis |
V245K | the mutant shows decreased specific activity compared to the wild type enzyme | Bacillus subtilis |
Y249K | the mutant shows decreased specific activity compared to the wild type enzyme | Bacillus subtilis |
KM Value [mM] | KM Value Maximum [mM] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|
0.021 | - |
H2O2 | wild type enzyme, using myristic acid as cosubstrate, in 0.1 M potassium phosphate buffer (pH 6.7), at 25°C | Bacillus subtilis | |
0.11 | - |
cumene hydroperoxide | mutant enzyme R242A, using myristic acid as cosubstrate, in 0.1 M potassium phosphate buffer (pH 6.7), at 25°C | Bacillus subtilis | |
0.2 | - |
cumene hydroperoxide | wild type enzyme, using myristic acid as cosubstrate, in 0.1 M potassium phosphate buffer (pH 6.7), at 25°C | Bacillus subtilis | |
0.21 | - |
H2O2 | mutant enzyme R242K, using myristic acid as cosubstrate, in 0.1 M potassium phosphate buffer (pH 6.7), at 25°C | Bacillus subtilis | |
0.24 | - |
cumene hydroperoxide | mutant enzyme R242K, using myristic acid as cosubstrate, in 0.1 M potassium phosphate buffer (pH 6.7), at 25°C | Bacillus subtilis | |
4.4 | - |
H2O2 | mutant enzyme R242A, using myristic acid as cosubstrate, in 0.1 M potassium phosphate buffer (pH 6.7), at 25°C | Bacillus subtilis |
Natural Substrates | Organism | Comment (Nat. Sub.) | Natural Products | Comment (Nat. Pro.) | Rev. | Reac. |
---|---|---|---|---|---|---|
myristic acid + H2O2 | Bacillus subtilis | CYP152A1 attacks the beta-carbon as well as the alpha-carbon of myristic acid | ? | - |
? |
Organism | UniProt | Comment | Textmining |
---|---|---|---|
Bacillus subtilis | O31440 | - |
- |
Purification (Comment) | Organism |
---|---|
Ni-NTA agarose column chromatography, gel filtration | Bacillus subtilis |
Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|
myristic acid + cumene hydroperoxide | - |
Bacillus subtilis | ? | - |
? | |
myristic acid + H2O2 | - |
Bacillus subtilis | ? | - |
? | |
myristic acid + H2O2 | CYP152A1 attacks the beta-carbon as well as the alpha-carbon of myristic acid | Bacillus subtilis | ? | - |
? |
Synonyms | Comment | Organism |
---|---|---|
CYP152A1 | - |
Bacillus subtilis |
peroxygenase cytochrome P450 | - |
Bacillus subtilis |
Cofactor | Comment | Organism | Structure |
---|---|---|---|
heme | - |
Bacillus subtilis |