{"product_id":"gel-based-e-coli-dna-topoisomerase-ii-gyrase-assay-kit-plus-bht16300069","title":"Gel-Based E. coli DNA Topoisomerase II (Gyrase) Assay Kit Plus","description":"\u003cstyle\u003e.bhp-desc{font-size:16px;color:#1a1a1a;line-height:1.7}.bhp-desc h2{font-size:18px;font-weight:700;color:#003366;margin:24px 0 10px;padding-bottom:6px;border-bottom:2px solid #003366}.bhp-desc p{margin:0 0 12px}.bhp-desc .bhp-spec-table{width:100%;border-collapse:collapse;margin:12px 0 18px}.bhp-desc .bhp-spec-table th{text-align:left;padding:8px 12px;background:#e8f0fb;color:#003366;font-weight:600;vertical-align:top;border:1px solid #ccd9f0}.bhp-desc .bhp-spec-table td{padding:8px 12px;vertical-align:top;border:1px solid #ccd9f0}.bhp-desc .bhp-warning-box{background:#fff8e6;border-left:4px solid #e6a817;padding:10px 14px;margin:10px 0 14px;border-radius:0 4px 4px 0}.bhp-desc .bhp-cat-pill{display:inline-block;background:#003366;color:#fff;border-radius:20px;padding:3px 12px;font-size:13px;margin-bottom:10px}.bhp-desc ol,.bhp-desc ul{margin:0 0 12px 20px}\u003c\/style\u003e\u003cdiv class=\"bhp-desc\"\u003e\n\u003cspan class=\"bhp-cat-pill\"\u003eDrug Target Assay Kit\u003c\/span\u003e\u003cp\u003eBacterial DNA topoisomerase II (gyrase) converts relaxed circular DNA into supercoiled DNA (the DNA supercoiling reaction).\u003c\/p\u003e\n\u003ch2\u003eKit Components\u003c\/h2\u003e\n\u003ctable class=\"bhp-spec-table\"\u003e\n\u003ctr\u003e\n\u003cth\u003eComponent\u003c\/th\u003e\n\u003cth\u003eGDSA100KE\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e10 x Buffer\u003c\/td\u003e\n\u003ctd\u003e400 µl\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRelaxed DNA (250 µg\/ml)\u003c\/td\u003e\n\u003ctd\u003e105 µl\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e10 mM ATP\u003c\/td\u003e\n\u003ctd\u003e220 µl\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e5 x Gel loading buffer\u003c\/td\u003e\n\u003ctd\u003e550 µl\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eE. coli gyrase (2000 nM, 100 x)\u003c\/td\u003e\n\u003ctd\u003e25 µl\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003cp\u003eFinal reaction conditions: 20 mM Tris-HCl pH 8, 35 mM NH4OAc, 4.6% glycerol, 1 mM DTT, 0.005% Brij35, 8 mM MgCl2, 12.5 µg\/ml relaxed plasmid DNA, 1 mM ATP and 20 nM gyrase. A reaction without ATP can serve as negative control.\u003c\/p\u003e\n\u003ch2\u003eAssay Principle\u003c\/h2\u003e\n\u003cp\u003eSupercoiled and relaxed DNA are separated by agarose gel electrophoresis, so E. coli gyrase activity shows as relaxed plasmid DNA converted to the supercoiled form, visible as separate bands after staining.\u003c\/p\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable class=\"bhp-spec-table\"\u003e\n\u003ctr\u003e\n\u003cth\u003eAssay Target\u003c\/th\u003e\n\u003ctd\u003eE. coli gyrase DNA supercoiling\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTarget Type\u003c\/th\u003e\n\u003ctd\u003eDNA Topoisomerase II (Gyrase)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOrganism\u003c\/th\u003e\n\u003ctd\u003eE. coli\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eAssay Type\u003c\/th\u003e\n\u003ctd\u003eEnzyme Activity Assay\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDetection Method\u003c\/th\u003e\n\u003ctd\u003eGel Electrophoresis\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eInstrument Required\u003c\/th\u003e\n\u003ctd\u003eGel electrophoresis + UV imaging\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eGel Conditions\u003c\/th\u003e\n\u003ctd\u003e1% agarose in 1 x TAE, 100 V for 90 min to 2 hours\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSize\u003c\/th\u003e\n\u003ctd\u003e100 assays\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eStorage\u003c\/th\u003e\n\u003ctd\u003ePlease contact us to confirm storage conditions.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eShipping\u003c\/th\u003e\n\u003ctd\u003eShipped frozen.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eProtocol\u003c\/h2\u003e\n\u003cp\u003eThe manufacturer's protocol describes the procedure and reaction volumes.\u003c\/p\u003e\n\u003cul\u003e\u003cli\u003eGel-Based E. coli Gyrase DNA Supercoiling Assay (PDF, see Documents): Covers catalog # GDSA100KE.\u003c\/li\u003e\u003c\/ul\u003e\n\u003ch2\u003eSafety \u0026amp; Handling\u003c\/h2\u003e\n\u003cdiv class=\"bhp-warning-box\"\u003eFor Research Use Only (RUO). Not for use in diagnostic or therapeutic procedures. The Gel-Based E. coli DNA Topoisomerase II (Gyrase) Assay Kit Plus is shipped frozen. Follow standard laboratory safety practices when handling the reagents. Please contact us to confirm storage conditions.\u003c\/div\u003e\n\u003c\/div\u003e","brand":"ProFoldin","offers":[{"title":"100 assays","offer_id":67794878464365,"sku":"GDSA100KE","price":708.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0949\/7424\/7277\/files\/gel-based_Eco-gyrase_assay_fig.jpg?v=1792791969","url":"https:\/\/www.ebiohippo.com\/products\/gel-based-e-coli-dna-topoisomerase-ii-gyrase-assay-kit-plus-bht16300069","provider":"BioHippo","version":"1.0","type":"link"}