{"product_id":"protocatechuate-3-4-dioxygenase-enzyme-activity-tbp0036","title":"Protocatechuate 3,4-dioxygenase, Enzyme Activity","description":"\u003cp\u003e\u003cspan style=\"font-size: 18px\"\u003e\u003cstrong\u003e\u003cu\u003ePreparation and Specification\u003c\/u\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cu\u003eAppearance:\u003c\/u\u003e Light brown amorphous powder, lyophilized\u003c\/p\u003e\n\u003cp\u003e\u003cu\u003eActivity:\u003c\/u\u003e GradeⅢ 3.0U\/mg-solid or more\u003c\/p\u003e\n\u003cp\u003e\u003cu\u003eContaminant:\u003c\/u\u003e NADPH oxidase ≤1.0×10⁻¹%\u003c\/p\u003e\n\u003cp\u003e\u003cu\u003eStabilizers:\u003c\/u\u003e Sugars\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 18px\"\u003e\u003cstrong\u003e\u003cu\u003eProperties\u003c\/u\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cu\u003eStability:\u003c\/u\u003e Stable at -20°C\u003c\/p\u003e\n\u003cp\u003e\u003cu\u003eMolecular weight:\u003c\/u\u003e approx. 600,000 (by gel filtration)\u003c\/p\u003e\n\u003cp\u003e\u003cu\u003eMichaelis constant:\u003c\/u\u003e 1.85×10⁻⁵M (Protocatechuate)\u003c\/p\u003e\n\u003cp\u003e\u003cu\u003eStructure:\u003c\/u\u003e Protein with nonheme iron\u003c\/p\u003e\n\u003cp\u003e\u003cu\u003eInhibitors:\u003c\/u\u003e Ag⁺, Hg⁺⁺\u003c\/p\u003e\n\u003cp\u003e\u003cu\u003eOptimum pH:\u003c\/u\u003e 9.0\u003c\/p\u003e\n\u003cp\u003e\u003cu\u003eOptimum temperature:\u003c\/u\u003e 60-65°C\u003c\/p\u003e\n\u003cp\u003e\u003cu\u003epH Stability:\u003c\/u\u003e pH 6.0-9.5 (25°C, 72hr)\u003c\/p\u003e\n\u003cp\u003e\u003cu\u003eThermal stability:\u003c\/u\u003e below 55°C (pH 7.5, 1hr)\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 18px\"\u003e\u003cstrong\u003e\u003cu\u003eApplications\u003c\/u\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThis enzyme is useful for enzymatic determination of choline esterase when coupled with p-hydroxybenzoate hydroxylase.\u003c\/p\u003e\n\u003cp\u003e\u003c!--TBP0036-25U TBP0036-50U--\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 13px; font-weight: 700; text-transform: uppercase;\"\u003e\u003cstrong\u003eResearch use only.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003eDocuments\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/tribioscience.com\/wp-content\/uploads\/2024\/02\/TBP0036-Protocatechuate-34-dioxygenase.pdf\"\u003eDatasheet (PDF)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/tribioscience.com\/wp-content\/uploads\/2024\/02\/TBP0036_Protocatechuate-34-dioxygenase-Safety-Data-Sheet.pdf\"\u003eMSDS (PDF)\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"TriBioScience","offers":[{"title":"25U","offer_id":45986495397967,"sku":"TBP0036-25U","price":0.0,"currency_code":"ILS","in_stock":true},{"title":"50U","offer_id":45986495430735,"sku":"TBP0036-50U","price":0.0,"currency_code":"ILS","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0712\/0748\/5519\/files\/TBP0036.png?v=1782812576","url":"https:\/\/www.danyel.co.il\/products\/protocatechuate-3-4-dioxygenase-enzyme-activity-tbp0036","provider":"danyel biotech","version":"1.0","type":"link"}