{"product_id":"pnp-enzyme-only","title":"PNP - Purine Nucleoside Phosphorylase (Enzyme Only)","description":"\u003ch2\u003eRecombinant PNP for Precise Phosphate Quantification\u003c\/h2\u003e\n\u003cp\u003eNECi's recombinant Purine Nucleoside Phosphorylase (PNP) is a highly purified enzyme used for accurate phosphate quantification in laboratory applications. It catalyzes the orthophosphate-dependent transfer to ribose with release of free purine base, providing a reliable and specific method for phosphate detection.\u003c\/p\u003e\n\u003cp\u003eThis enzyme is ideal for researchers and laboratories requiring precise phosphate measurements with minimal sample preparation and high specificity to reduce false positives.\u003c\/p\u003e\n\u003ch2\u003eProduct Format\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePurine Nucleoside Phosphorylase (Enzyme Only)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eAffinity purified recombinant enzyme\u003c\/li\u003e\n\u003cli\u003eAnimal origin free\u003c\/li\u003e\n\u003cli\u003eSupplied as freeze-dried protein glass with enzyme diluent bulb\u003c\/li\u003e\n\u003cli\u003eAvailable in 1, 2, 3, and 5 unit quantities\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eEnzyme Activity\u003c\/h2\u003e\n\u003cp\u003eOne unit produces 1 µmole of hypoxanthine from inosine per minute at pH 8.0 and 22°C.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh Specificity:\u003c\/strong\u003e Reduces false positives in phosphate detection\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMESG Co-factor:\u003c\/strong\u003e Utilizes MESG (2-amino-6-mercapto-7-methylpurine riboside) as the co-factor to accurately quantify phosphate in samples\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMinimal Sample Preparation:\u003c\/strong\u003e Little sample preparation required for analysis\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSmall Sample Size:\u003c\/strong\u003e Requires small sample size in relation to total assay volume\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConsistent \u0026amp; Reliable:\u003c\/strong\u003e Recombinant production ensures lot-to-lot consistency\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuality Assured:\u003c\/strong\u003e Affinity purified for maximum enzyme activity and purity\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eProduct Specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCAS Number:\u003c\/strong\u003e 9030-21-1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePhysical Form:\u003c\/strong\u003e Freeze-dried protein glass\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecific Activity: \u003c\/strong\u003e5-15 units\/mg protein\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExpected Purity Range:\u003c\/strong\u003e Greater than 95%\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemperature Range in Assay:\u003c\/strong\u003e 15-45°C\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturing:\u003c\/strong\u003e Recombinantly manufactured in \u003cem\u003eEscherichia coli\u003c\/em\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eApplications\u003c\/h2\u003e\n\u003cp\u003eIdeal for laboratories performing phosphate analysis in:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eBiochemical research and enzyme kinetics studies\u003c\/li\u003e\n\u003cli\u003ePhosphate quantification assays\u003c\/li\u003e\n\u003cli\u003eMetabolic pathway analysis\u003c\/li\u003e\n\u003cli\u003eDrug discovery and development\u003c\/li\u003e\n\u003cli\u003eQuality control testing\u003c\/li\u003e\n\u003cli\u003eAcademic and industrial research laboratories\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eStorage Conditions \u0026amp; Shelf Life Information*\u003c\/h2\u003e\n\u003cp\u003e\u003cem\u003e*Shelf life guaranteed if stored as directed below\u003c\/em\u003e\u003c\/p\u003e\n\u003ctable style=\"border-collapse: collapse; width: 100%;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth style=\"border: 1px solid rgb(0, 0, 0); padding: 8px; width: 36.5514%;\"\u003e\u003cbr\u003e\u003c\/th\u003e\n\u003cth style=\"border: 1px solid rgb(0, 0, 0); padding: 8px; width: 19.6681%;\"\u003e-20°C or lower\u003c\/th\u003e\n\u003cth style=\"border: 1px solid rgb(0, 0, 0); padding: 8px; width: 14.4465%;\"\u003e4°C\u003c\/th\u003e\n\u003cth style=\"border: 1px solid rgb(0, 0, 0); padding: 8px; width: 17.2314%;\"\u003eRT: 20°C – 25°C\u003c\/th\u003e\n\u003cth style=\"border: 1px solid rgb(0, 0, 0); padding: 8px; width: 12.0097%;\"\u003e30-40°C\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid rgb(0, 0, 0); padding: 8px; width: 36.5514%;\"\u003e\u003cstrong\u003eFreeze-Dried (vacuum-sealed packets)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid rgb(0, 0, 0); padding: 8px; width: 19.6681%;\"\u003eStable indefinitely\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid rgb(0, 0, 0); padding: 8px; width: 14.4465%;\"\u003e24+ months\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid rgb(0, 0, 0); padding: 8px; width: 17.2314%;\"\u003e12+ months\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid rgb(0, 0, 0); padding: 8px; width: 12.0097%;\"\u003e1 week\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid rgb(0, 0, 0); padding: 8px; width: 36.5514%;\"\u003e\u003cstrong\u003eFreeze-Dried (in vials, desiccated)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid rgb(0, 0, 0); padding: 8px; width: 19.6681%;\"\u003e12+ months\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid rgb(0, 0, 0); padding: 8px; width: 14.4465%;\"\u003e12+ months\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid rgb(0, 0, 0); padding: 8px; width: 17.2314%;\"\u003e-\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid rgb(0, 0, 0); padding: 8px; width: 12.0097%;\"\u003e-\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid rgb(0, 0, 0); padding: 8px; width: 36.5514%;\"\u003e\u003cstrong\u003eWorking Solution (1 U\/ml in buffer)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid rgb(0, 0, 0); padding: 8px; width: 19.6681%;\"\u003e6 - 12 months\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid rgb(0, 0, 0); padding: 8px; width: 14.4465%;\"\u003e1 week\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid rgb(0, 0, 0); padding: 8px; width: 17.2314%;\"\u003e\u0026gt;12 hours\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid rgb(0, 0, 0); padding: 8px; width: 12.0097%;\"\u003e-\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOrdering Information\u003c\/h2\u003e\n\u003cp\u003e\u003ca href=\"\/pages\/contact\" title=\"Contact Us\" rel=\"noopener\" target=\"_blank\"\u003eContact us\u003c\/a\u003e to inquire about bulk quantity discounts or wholesale orders, or to request a quote for international orders.\u003c\/p\u003e\n\u003ch2\u003eResources \u0026amp; Downloads\u003c\/h2\u003e\n\u003cp\u003e\u003ca rel=\"noopener\" title=\"PNP Storage and Reconstitution\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0972\/5830\/7948\/files\/PNP_Storage_and_Reconstitution.pdf\" target=\"_blank\"\u003ePNP Storage and Reconstitution\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0972\/5830\/7948\/files\/PNP_Specification_Sheet.pdf\" title=\"PNP Specification Sheet\"\u003ePNP Specification Sheet\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003eSDS for PNP *Coming Soon*\u003c\/p\u003e","brand":"NECi","offers":[{"title":"1 Unit","offer_id":53132973736300,"sku":"PNP-1U","price":21.0,"currency_code":"USD","in_stock":true},{"title":"2 Units","offer_id":53290895868268,"sku":"PNP-2U","price":40.0,"currency_code":"USD","in_stock":true},{"title":"3 Units","offer_id":53132973769068,"sku":"PNP-3U","price":60.0,"currency_code":"USD","in_stock":true},{"title":"5 Units","offer_id":53132973801836,"sku":"PNP-5U","price":85.0,"currency_code":"USD","in_stock":true},{"title":"25 Units","offer_id":53363475415404,"sku":"PNP-25U","price":300.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0972\/5830\/7948\/files\/PNP-1U.jpg?v=1773175902","url":"https:\/\/nitrate.com\/products\/pnp-enzyme-only","provider":"NECi","version":"1.0","type":"link"}