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Native Microorganism P-hydroxybenzoate hydroxylase

Cat No.
DIA-203
Description
In enzymology, a 4-hydroxybenzoate 3-monooxygenase (EC 1.14.13.2) is an enzyme that catalyzes the chemical reaction: 4-hydroxybenzoate + NADPH + H+ + O2 ↔ protocatechuate + NADP+ + H2O. The 4 substrates of this enzyme are 4-hydroxybenzoate, NADPH, H+, and O2, whereas its 3 products are protocatechuate, NADP+, and H2O. This enzyme belongs to the family of oxidoreductases, specifically those acting on paired donors, with O2 as oxidant and incorporation or reduction of oxygen. The oxygen incorporated need not be derived from O2 with NADH or NADPH as one donor, and incorporation of one atom o oxygen into the other donor. This enzyme participates in benzoate degradation via hydroxylation and 2,4-dichlorobenzoate degradation. It employs one cofactor, FAD.
Abbr
P-hydroxybenzoate hydroxylase (Microorganism)
Source
Microorganism
Applications
This enzyme is useful for enzymatic determination of choline esterase when coupled with protocatechuate 3, 4-dioxygenase.
Appearance
Yellowish amorphous powder, lyophilized
Enzyme Commission Number
EC 1.14.13.2
Activity
GradeⅢ 20U/mg-solid or more (containing approx. 40% of stabilizers)
CAS No.
9059-23-8
Contaminants
NADPH oxidase < 1.0×10⁻¹%
Molecular Weight
55 kDa~60 kDa
pH Stability
pH 5.0-7.5 (25°C, 72hr)
Michaelis Constant
2.0×10⁻⁵M (p-Hydroxybenzoate), 4.0×10⁻⁵M (NADPH)
Structure
One mol of FAD per mol of enzyme
Optimum pH
7.7-7.9
Optimum temperature
35°C
Thermal stability
below 40°C (pH 6.0, 15min)
Stability
Stable at-20°C for at least one year
Stabilizers
Sugars, FAD
Inhibitors
Ag⁺, Hg⁺⁺, PCMB, SDS
Synonyms
4-hydroxybenzoate; NADPH: oxygen oxidoreductase (3-hydroxylating); p-hydroxybenzoate hydrolyase; p-hydroxybenzoate hydroxylase; 4-hydroxybenzoate 3-hydroxylase; 4-hydroxybenzoate monooxygenase; 4-hydroxybenzoic hydroxylase; p-hydroxybenzoate-3-hydroxylase; p-hydroxybenzoic acid hydrolase; p-hydroxybenzoic acid hydroxylase; p-hydroxybenzoic hydroxylase; EC 1.14.13.2
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Catalog
ProductName
EC No.
CAS No.
Source
Price
CatalogNATE-0564
EC No.EC 1.14.13.2
CAS No.9059-23-8
SourcePseudomonas sp.
CatalogEXWM-0800
EC No.EC 1.14.13.2
CAS No.9059-23-8
Source
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