PureCube His Affinity Agarose (NTA)是针对组氨酸标签的亲和层析产品,组氨酸标签是应用广泛的亲和层析标签,这种标签具有小尺寸、低免疫原性的特点和在多种天然或变性条件下的广泛适用性,NTA相对于IDA具有更高的洗脱液纯度。 产品优势:1)德国制造,品质与信誉的坚实保证;2)结合载量可高达80mg/mL,目前市面上高结合能力;3)更优越的DTT和EDTA稳定性和耐受性;4)凝胶的多孔性和均匀粒径,使蛋白与凝胶之间有很好地相互作用;5)适合低压环境下的纯化过程(大规模纯化制备或预装柱均可使用);6)高性价比,为研发、生产降低成本;7)适用于大肠杆菌和真核细胞的裂解液和上清液;8)同时可装载Co, Cu, Zn和其它金属离子。 优势详解: 1. 收率高,纯度高Fig. 1: Over 20% more yield obtained with PureCube Ni-NTA Agarose. SDS-PAGE of GFP expressed in E. coli and purified in gravity columns with PureCube Ni-NTA Agarose and Ni-NTA resin from Competitor Q. 80 mg/mL protein yield was obtained with PureCube Ni-NTA Agarose (E1–E4, Cube) compared to 65 and 48 mg/mL, respectively, with the widely used alternative resins G and Q (E1–E4, Competitor G / Competitor Q). Cube Biotech蛋白结合能力 80mg/mL 2. 优越的DTT和EDTA稳定性Fig. 2: NTA is robust in the presence of reducing and chelating agents. GFP-His was purified on gravity columns containing PureCube Ni-NTA Agarose after exposing the resin for 1 h to 3 concentrations of DTT or EDTA. NTA exhibits a shallow decay rate in binding capacity. PureCube Ni-NTA琼脂糖在DTT和EDTA存在下非常坚实,在稳定性测试中,将PureCube Ni-NTA琼脂糖置于DTT与EDTA浓度逐渐升高的环境中处理1小时。再用处理过的凝胶在重力层析柱中纯化大肠杆菌表达的GFP-His,凝胶的蛋白结合能力因存在DTT与EDTA而下降,但是衰减率平缓,即使在1.5 mM EDTA,凝胶依然具有其大结合能力的54%。 Cube BiotechDTT稳定性10mMEDTA稳定性1.5mM 产品特性:应用Specific binding and purification of 6x his-tagged proteins特异性Affinity to His-tagged proteins结合能力80?mg/mLBead LigandNi-NTA粒径大小40 μm螯合剂稳定性Stable in buffer containing 10 mM DTT and 1 mM EDTA保存Delivered as a 50?% suspension所需试剂耗材Lysis BufferWash BufferElution BufferIce bathRefrigerated centrifuge for 50?mL tube (min 10,000 x g)50?mL centrifuge tubeMicropipettor and Micropipetting tipsDisposable gravity flow columns with capped bottom outlet, 2 ml?pH meterEnd-over-end shakerSDS-PAGE buffers, reagents and equipment Optional: Western Blot reagents and equipment 订货信息:31101PureCube Ni-NTA Agarose (1 ml)31103PureCube Ni-NTA Agarose (10 ml)31105PureCube Ni-NTA Agarose (50 ml)31110PureCube Ni-NTA Agarose (250 ml)31112PureCube Ni-NTA Agarose (500 ml)31115PureCube Ni-NTA Agarose (1000 ml)31120PureCube Ni-NTA Agarose (5000 ml)
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