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- 询价记录
- 文献和实验
- 技术资料
- 保存条件:
-20℃
- 保质期:
有效期1年
- 英文名:
Hieff Clone Plus Multi One Step Cloning Kit
- 库存:
大量
- 供应商:
翌圣生物科技(上海)股份有限公司
- 规格:
10 T(10912ES10)
产品描述:
Hieff Clone® Plus Multi One Step Cloning Kit是一款简便、快速、高效的DNA定向克隆产品,该试剂盒可以将PCR产物定向克隆至任何载体的任何位点,可高效克隆50 bp-10 kb片段。将载体线性化,并在插入片段正、反向PCR引物5’端引入15-25 bp的线性化载体末端同源序列,使得插入片段PCR产物5’和3’末端分别带有与线性化载体两末端对应的完全一致的序列。PCR产物和线性化载体在重组酶的作用下,仅需50℃反应20 min即可进行转化,完成定向克隆。克隆阳性率可达95%以上。
试剂盒中2×Hieff Clone® MultiS Enzyme Premix预混了重组酶和重组反应所需缓冲液,并添加了独特的重组增强因子,可显著提高重组克隆效率。使用该试剂盒,可以一次实现多至5个片段的顺序拼接克隆。
产品属性:
| 片段长度 | 50bp-10kb |
| 片段数量 | 2-5个 |
| 应用 | 分子克隆 |
| 片段类型 | 纯化片段 |
| 反应速度 | 20-50min |
产品特色:
- 多至5个片段的克隆
储存条件:
冰袋运输。-25~-15℃保存,有效期1年。
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【实验目的】1.掌握质粒提取的基本方法的原理;2.学习和掌握限制性内切酶的使用方法。【实验原理】重组克隆的筛选和鉴定是基因工程中的重要环节之一。不同的克隆载体和相应的宿主系统,其重组克隆的筛选和鉴定方法不尽相同。从理论上说,重组克隆的筛选是排除自身环化的载体、未酶解完全的载体以及非目的DNA片断插入的载体所形成的克隆。常用的筛选方法有两类。一类是针对遗传表型改变筛选法,以β-半乳糖苷酶系统筛选法为代表。另一类是分析重组子结构特征的筛选法,包括快速裂解菌落鉴定质粒大小、限制酶图谱鉴定
子由于外源片断的插入使?肽基因失活不能形成?互补作用,也就是说,宿主细胞表现为?-半乳糖苷酶失活。因此,在X-gal平板上,重组克隆为无色噬菌斑或菌落,非重组克隆为蓝色噬菌斑或菌落。这种筛选方法操作简单,但当插入片断较短(小于500bp),且插入片断没有影响lacZ基因的读框时,有假阴性结果的出现。 2.快速裂解菌落鉴定质粒大小 从平板中挑取菌落,过夜培养后裂解,直接进行凝胶电泳,与载体DNA比较,根据迁移率的减小初步判断是否有插入片断存在。本方法适用于插入片断较大的重组
-translational modifications like disulfide bonds. • ALiCE® Lysate • Tubes 特点和优势: • 高产量:前所未有的 3 mg/mL • 简易操作:一步法 • 快速: 48小时收获超高产量 • 高灵活性:表达困难蛋白, 抗体、抗原、有毒的蛋白,等. • 验证:已在超过500种蛋白验证 • 翻译后修饰(e.g. 折叠、二硫键、糖基化 等) ALiCE® Kit无细胞蛋白质表达试剂盒: SKU-Pack
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