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Native Pseudomonas sp. p-Hydroxybenzoate Hydroxylase

Cat No.
NATE-0564
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.
Abbr
p-Hydroxybenzoate Hydroxylase, Native (Pseudomonas sp.)
Source
Pseudomonas sp.
Applications
This enzyme is useful for enzymatic determination of choline esterase when coupled with prot ocatechuate 3, 4-dioxygenase.
Form
lyophilized powder; Contains mannitol and stabilizers
Enzyme Commission Number
EC 1.14.13.2
Activity
~20 units/mg solid
CAS No.
9059-23-8
Molecular Weight
mol wt 55-~60 kDa
pH Stability
pH 5.0-7.5 (25°C, 72hr)
Michaelis Constant
2.0 x 10-5M (p-Hydroxybenzoate), 4.0 x 10-5M (NADPH)
Structure
One mol of FAD per mol of enzyme
Unit Definition
One unit will hydroxylate 1.0 μmole of p-hydroxybenzoate to protecatechuate per min at pH 8.2 at 37°C in the presence of NADPH.
Optimum pH
7.7-7.9
Optimum temperature
35°C
Thermal stability
below 40°C (pH 6.0, 15min)
Storage
−20°C
Inhibitors
Ag+, Hg++, PCMB, SDS
Synonyms
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; 9059-23-8
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ProductName
EC No.
CAS No.
Source
Price
CatalogDIA-203
EC No.EC 1.14.13.2
CAS No.9059-23-8
SourceMicroorganism
CatalogEXWM-0800
EC No.EC 1.14.13.2
CAS No.9059-23-8
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