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名称
核酸酶
英文别名
Serratia marcescens broad-spectrum nuclease | non-restrictive endonuclease
货号
B401536-500KU
包装规格
500KU
级别
EnzymoPure™
浓度
≥ 20 kU/mg lyophilized powder,≥ 90%(SDS-PAGE)
产品介绍
介绍: Benzonase最佳替代重组酶制剂,本产品来源于经定点突变优化的粘质沙雷氏菌 (Serratia Marcescens)核酸内切酶基因的酵母表达产物。 广谱核酸酶是通过基因工程技术对粘质沙雷氏菌核酸内切酶基因进行优化并在酵母中表达的产物。广谱核酸酶可以消化降解包括单链、双链、线性、环形及超螺旋状态的各种形式存在的核酸。该酶作用位点是核酸磷脂键,生成2-5个碱基长度的5’单磷酸寡核苷酸片段。广谱核酸切割活性无核酸序列特异性。 蛋白酶: None detected; 内毒素: None detected (Tachypleus Amebocyte Lysate); 最佳pH: 8.0 (operational pH 6~10); 最佳温度: 37°C (operational 0~42°C); 活化剂: 1~10 mM Mg2+ 来源: Serratia marcescens 活性: Solid enzyme ≥ 20 kU/mg lyophilized powder 优势: 优势:广谱核酸酶在酵母真核系统中表达并纯化,因此避免了原核细胞的内毒素污染。广谱核酸酶在各种极端的工业条件下可以保持高度稳定性和活性,又借助大规模量产来降低单位成本,可以完美替代昂贵的Benzonase及其他同类产品来用于生物制药业的研究和生产。广谱核酸酶的比活性大于 1000 kU/mg蛋白,远远超出市场现有其他同类产品的比活性(可达200%)。 应用: 广谱核酸内切酶可以降解所有不同形态的DNA及RNA,是疫苗、抗体、细胞治疗及其他生物制品制备过程中去除核酸(DNA和RNA)污染以达到FDA关于治疗性用途的生物制剂终产物中核酸残留不超过10 pg/剂标准的最佳工具。 广谱核酸酶可以通过降解核酸来降低细胞裂解液的粘度(viscosity),有助于在病毒、AAV载体及包涵体等细胞来源颗粒的纯化过程中促进溶液过滤/超滤过程、缩短处理时间、提高离心过程中沉淀与上清的分离效率并提高色谱纯化效率,最终达到提高得率和有效提终产物纯度的效果。 生物分析应用:可用于ELISA样品制备,色谱层析活双相电泳(蛋白质图谱)及印迹分析等等过程中来提高分辨率和样品回收率。 建议使用: 储存缓冲液: 20 mM Tris-Cl (pH 8.0), 2 mM MgCl2, 20 mM NaCl, 50% 甘油. 稀释缓冲液: 20 mM Tris-Cl (pH 8.0), 2 mM MgCl2, 20 mM NaCl.
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Research chemical 90%

Research chemical 90%; supplied for laboratory research, analysis, inspection, and scientific procurement use; specifications: 90%.

item number:B401536-500KU
Product model:500KU
level: 90%
Lead Time:30days
sold 652 Items
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