来自假单胞菌属的原儿茶酸3,4-双加氧酶（PCO）在与对羟基苯甲酸羟化酶（ρ-HBH）偶联后可用于酶法测定胆碱酯酶。在单分子实验中可改善有机荧光团稳定性 ，也可用于研究根瘤菌中原儿茶酸的代谢。

Specifications

EC：1.14.13.2

Product Form：Lyophilized powder

Specific Activity：>50 units / mg

Reaction Equation

4-Hydroxybenzoate + NADPH + H⁺ + O₂ = 3, 4-Dihydroxybenzoate + NADP⁺ + H₂O

Contaminants

NADPH oxidase:<0.01% 

Glutathione reductase: <0.05% 

Cholinesterase: <0.003%

Storage Condition：Below -20°C