{"product_id":"exceltaq-klen-taq-dna-polymerase-tk1000","title":"ExcelTaq™ Klen-Taq DNA Polymerase, 5 U\/µL, 500 U","description":"\u003cp\u003e\u003cstrong\u003eDescription\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eExcelTaq™ Klen-Taq DNA Polymerase\u003c\/strong\u003e is an enzyme blend containing KlenTaq-1 DNA polymerase and a small amount of proofreading polymerase for improved PCR fidelity, yield and processivity.\u003c\/p\u003e\n\n\u003cp\u003eThe enzyme provides approximately fourfold higher fidelity than Taq and is recommended for genomic targets of 0.5–5 kb and less-complex templates up to 10 kb. It produces both 3′-dA-overhang and blunt-ended amplicons.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e KlenTaq-1 and proofreading-polymerase blend • Approximately fourfold higher fidelity than Taq • Robust PCR performance • Tolerant of magnesium variation • Targets up to 5 kb from genomic DNA • Targets up to 10 kb from less-complex templates • Mixed 3′-dA and blunt-ended products • Suitable for TA cloning\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eApplications:\u003c\/strong\u003e Routine PCR • Enhanced-Fidelity PCR • Genomic DNA Amplification • Long-Range PCR • TA Cloning • Gene Cloning • PCR Product Analysis • DNA Sequencing Template Preparation\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Suitable for PCR applications requiring greater fidelity than conventional Taq while maintaining strong yield and reaction robustness. Amplicons are directly compatible with TA-cloning workflows.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003ePackaging:\u003c\/strong\u003e 100 µL enzyme at 5 U\/µL, providing 500 units and approximately 200 standard reactions at 2.5 units per reaction. Supplied with 1.2 mL of 10X Klen Buffer.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eManufacturer:\u003c\/strong\u003e SMOBIO Technology\u003c\/p\u003e\n\n\u003ch3 style=\"margin-top:22px; margin-bottom:10px;\"\u003eTechnical Specifications\u003c\/h3\u003e\n\n\u003cdiv style=\"overflow-x:auto; width:100%; margin-bottom:24px;\"\u003e\n\u003ctable style=\"width:100%; border-collapse:collapse; font-size:14px; line-height:1.4;\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth style=\"border:1px solid #d9d9d9; background:#f5f5f5; padding:9px 10px; text-align:left; width:42%;\"\u003eSpecification\u003c\/th\u003e\n\u003cth style=\"border:1px solid #d9d9d9; background:#f5f5f5; padding:9px 10px; text-align:left;\"\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #d9d9d9; padding:8px 10px;\"\u003e\u003cstrong\u003eSKU\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #d9d9d9; padding:8px 10px;\"\u003eTK1000\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #d9d9d9; padding:8px 10px;\"\u003e\u003cstrong\u003eProduct Name\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #d9d9d9; padding:8px 10px;\"\u003eExcelTaq™ Klen-Taq DNA Polymerase\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #d9d9d9; padding:8px 10px;\"\u003e\u003cstrong\u003eProduct Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #d9d9d9; padding:8px 10px;\"\u003eEnhanced-fidelity DNA polymerase blend\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #d9d9d9; padding:8px 10px;\"\u003e\u003cstrong\u003eEnzyme Composition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #d9d9d9; padding:8px 10px;\"\u003eKlenTaq-1 DNA polymerase with a trace amount of proofreading DNA polymerase\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #d9d9d9; padding:8px 10px;\"\u003e\u003cstrong\u003eKlenTaq-1 Description\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #d9d9d9; padding:8px 10px;\"\u003e5′-exonuclease-minus, N-terminal deletion of Taq DNA polymerase\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #d9d9d9; padding:8px 10px;\"\u003e\u003cstrong\u003eEnzyme Concentration\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #d9d9d9; padding:8px 10px;\"\u003e5 U\/µL\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #d9d9d9; padding:8px 10px;\"\u003e\u003cstrong\u003eTotal Enzyme Quantity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #d9d9d9; padding:8px 10px;\"\u003e500 U\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #d9d9d9; padding:8px 10px;\"\u003e\u003cstrong\u003eEnzyme Volume\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #d9d9d9; padding:8px 10px;\"\u003e100 µL\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #d9d9d9; padding:8px 10px;\"\u003e\u003cstrong\u003eChemical Modification\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #d9d9d9; padding:8px 10px;\"\u003eNone\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #d9d9d9; padding:8px 10px;\"\u003e\u003cstrong\u003e5′→3′ DNA Polymerase Activity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #d9d9d9; padding:8px 10px;\"\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #d9d9d9; padding:8px 10px;\"\u003e\u003cstrong\u003e3′→5′ Exonuclease Activity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #d9d9d9; padding:8px 10px;\"\u003ePresent through the proofreading-polymerase component\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #d9d9d9; padding:8px 10px;\"\u003e\u003cstrong\u003eRelative Fidelity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #d9d9d9; padding:8px 10px;\"\u003eApproximately four times higher than Taq DNA polymerase\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #d9d9d9; padding:8px 10px;\"\u003e\u003cstrong\u003ePCR Product Ends\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #d9d9d9; padding:8px 10px;\"\u003eMixture of 3′-dA overhangs and blunt ends\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #d9d9d9; padding:8px 10px;\"\u003e\u003cstrong\u003eTA-Cloning Compatibility\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #d9d9d9; padding:8px 10px;\"\u003eYes; amplicons are directly suitable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #d9d9d9; padding:8px 10px;\"\u003e\u003cstrong\u003eRecommended Genomic DNA Target\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #d9d9d9; padding:8px 10px;\"\u003eApproximately 0.5–5 kb\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #d9d9d9; padding:8px 10px;\"\u003e\u003cstrong\u003eRecommended Less-Complex Template Target\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #d9d9d9; padding:8px 10px;\"\u003eUp to 10 kb\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #d9d9d9; padding:8px 10px;\"\u003e\u003cstrong\u003eMaximum Demonstrated Target\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #d9d9d9; padding:8px 10px;\"\u003eUp to 12 kb from λDNA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #d9d9d9; padding:8px 10px;\"\u003e\u003cstrong\u003eTemplate Sensitivity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #d9d9d9; padding:8px 10px;\"\u003eAmplification demonstrated from as little as 1 pg DNA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #d9d9d9; padding:8px 10px;\"\u003e\u003cstrong\u003eDenaturation Tolerance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #d9d9d9; padding:8px 10px;\"\u003eUp to 98°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #d9d9d9; padding:8px 10px;\"\u003e\u003cstrong\u003eTypical Reaction Volume\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #d9d9d9; padding:8px 10px;\"\u003e50 µL\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #d9d9d9; padding:8px 10px;\"\u003e\u003cstrong\u003eRecommended Enzyme per Reaction\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #d9d9d9; padding:8px 10px;\"\u003e2.5 U\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #d9d9d9; padding:8px 10px;\"\u003e\u003cstrong\u003eRecommended Template Amount\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #d9d9d9; padding:8px 10px;\"\u003e1–150 ng per 50 µL reaction\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #d9d9d9; padding:8px 10px;\"\u003e\u003cstrong\u003eRecommended Primer Concentration\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #d9d9d9; padding:8px 10px;\"\u003e0.1–0.5 µM each\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #d9d9d9; padding:8px 10px;\"\u003e\u003cstrong\u003eRecommended dNTP Concentration\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #d9d9d9; padding:8px 10px;\"\u003e0.2 mM each\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #d9d9d9; padding:8px 10px;\"\u003e\u003cstrong\u003eRecommended Extension Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #d9d9d9; padding:8px 10px;\"\u003e68°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #d9d9d9; padding:8px 10px;\"\u003e\u003cstrong\u003eRecommended Extension Time\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #d9d9d9; padding:8px 10px;\"\u003e30 seconds per kb\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #d9d9d9; padding:8px 10px;\"\u003e\u003cstrong\u003e10X Klen Buffer\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #d9d9d9; padding:8px 10px;\"\u003e1.2 mL\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #d9d9d9; padding:8px 10px;\"\u003e\u003cstrong\u003e10X Buffer Composition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #d9d9d9; padding:8px 10px;\"\u003e400 mM Tricine-KOH, 150 mM potassium acetate, 35 mM magnesium acetate and 750 µg\/mL BSA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #d9d9d9; padding:8px 10px;\"\u003e\u003cstrong\u003eApproximate Enzyme Reaction Capacity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #d9d9d9; padding:8px 10px;\"\u003e200 reactions at 2.5 U per reaction\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #d9d9d9; padding:8px 10px;\"\u003e\u003cstrong\u003eApproximate Buffer Capacity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #d9d9d9; padding:8px 10px;\"\u003e240 standard 50 µL reactions\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #d9d9d9; padding:8px 10px;\"\u003e\u003cstrong\u003eEnzyme Storage Buffer\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #d9d9d9; padding:8px 10px;\"\u003e40 mM Tris-HCl, 50 mM KCl, 25 mM ammonium sulphate, 0.1 mM EDTA, 5 mM 2-mercaptoethanol, stabiliser and 50% glycerol\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #d9d9d9; padding:8px 10px;\"\u003e\u003cstrong\u003eUnit Definition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #d9d9d9; padding:8px 10px;\"\u003eAmount incorporating 10 nmol dNTP into acid-insoluble material in 30 minutes at 74°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #d9d9d9; padding:8px 10px;\"\u003e\u003cstrong\u003eStorage Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #d9d9d9; padding:8px 10px;\"\u003e−20°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #d9d9d9; padding:8px 10px;\"\u003e\u003cstrong\u003eStated Stability\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #d9d9d9; padding:8px 10px;\"\u003e24 months at −20°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #d9d9d9; padding:8px 10px;\"\u003e\u003cstrong\u003eManufacturer\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #d9d9d9; padding:8px 10px;\"\u003eSMOBIO Technology\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #d9d9d9; padding:8px 10px;\"\u003e\u003cstrong\u003eClassification\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #d9d9d9; padding:8px 10px;\"\u003eResearch Use Only (RUO)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003cp style=\"font-size:13px; color:#666;\"\u003e\u003cem\u003eNote: The manufacturer recommends targets up to 5 kb from genomic DNA and up to 10 kb from less-complex templates. The 12 kb result was demonstrated using λDNA and should not be treated as a universal amplification limit.\u003c\/em\u003e\u003c\/p\u003e","brand":"SMOBIO","offers":[{"title":"Default Title","offer_id":56871454146937,"sku":"TK1000","price":99.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0945\/3043\/7497\/files\/ChatGPTImageJun15_2026_08_21_12PM.png?v=1781551332","url":"https:\/\/hayubiomedical.co.uk\/products\/exceltaq-klen-taq-dna-polymerase-tk1000","provider":"HAYU Biomedical Limited","version":"1.0","type":"link"}