Literature summary extracted from
Fetzner, S.; Muller, R.; Lingens, F.
Degradation of 2-chlorobenzoate by Pseudomonas cepacia 2CBS (1989), Biol. Chem. Hoppe-Seyler, 370, 1173 - 1182.
Protein Variants
EC Number |
Protein Variants |
Comment |
Organism |
---|
1.14.12.13 |
additional information |
mutants are made by treatment with N-methyl-N'-nitro-N-nitrosoguanidine, mutants are unable to grow on 2-chlorobenzoate and catechol |
Burkholderia cepacia |
General Stability
EC Number |
General Stability |
Organism |
---|
1.14.12.13 |
sucrose has stabilizing effect |
Burkholderia cepacia |
Metals/Ions
EC Number |
Metals/Ions |
Comment |
Organism |
Structure |
---|
1.14.12.13 |
Fe2+ |
exogenous, required for activity |
Burkholderia cepacia |
|
Natural Substrates/ Products (Substrates)
EC Number |
Natural Substrates |
Organism |
Comment (Nat. Sub.) |
Natural Products |
Comment (Nat. Pro.) |
Rev. |
Reac. |
---|
1.14.12.13 |
2-chlorobenzoate + NADH + H+ + O2 |
Burkholderia cepacia |
first step of 2-chlorobenzoate degradation via meta-cleavage |
catechol + chloride + NAD+ + CO2 |
- |
? |
|
Organism
EC Number |
Organism |
UniProt |
Comment |
Textmining |
---|
1.14.12.13 |
Burkholderia cepacia |
- |
2CBS, isolated from water |
- |
Purification (Commentary)
EC Number |
Purification (Comment) |
Organism |
---|
1.14.12.13 |
anion exchange |
Burkholderia cepacia |
Reaction
EC Number |
Reaction |
Comment |
Organism |
Reaction ID |
---|
1.14.12.13 |
2-chlorobenzoate + NADH + H+ + O2 = catechol + chloride + NAD+ + CO2 |
multi-component dioxygenase system proposed: 1,2-hydroxylating, dehalogenating, decarboxylating |
Burkholderia cepacia |
|
Specific Activity [micromol/min/mg]
EC Number |
Specific Activity Minimum [µmol/min/mg] |
Specific Activity Maximum [µmol/min/mg] |
Comment |
Organism |
---|
1.14.12.13 |
0.0085 |
- |
crude extract, 3.4 mg protein per ml in the assay |
Burkholderia cepacia |
1.14.12.13 |
0.043 |
- |
after anion exchange: fraction A + B + NADH + Fe2+ |
Burkholderia cepacia |
Substrates and Products (Substrate)
EC Number |
Substrates |
Comment Substrates |
Organism |
Products |
Comment (Products) |
Rev. |
Reac. |
---|
1.14.12.13 |
2-chlorobenzoate + NADH + H+ + O2 |
the oxygen in the enzymatically catechol is derived from molecular oxygen, the formed byproduct 2,3-dihydroxybenzoate is suggested to be a dead end metabolite |
Burkholderia cepacia |
catechol + chloride + NAD+ + CO2 |
- |
? |
|
1.14.12.13 |
2-chlorobenzoate + NADH + H+ + O2 |
first step of 2-chlorobenzoate degradation via meta-cleavage |
Burkholderia cepacia |
catechol + chloride + NAD+ + CO2 |
- |
? |
|
Temperature Optimum [°C]
EC Number |
Temperature Optimum [°C] |
Temperature Optimum Maximum [°C] |
Comment |
Organism |
---|
1.14.12.13 |
25 |
- |
assay at |
Burkholderia cepacia |
pH Optimum
EC Number |
pH Optimum Minimum |
pH Optimum Maximum |
Comment |
Organism |
---|
1.14.12.13 |
6.6 |
- |
assay at |
Burkholderia cepacia |
Cofactor
EC Number |
Cofactor |
Comment |
Organism |
Structure |
---|
1.14.12.13 |
NADH |
can not be replaced by NADPH |
Burkholderia cepacia |
|