Date published: 2026-7-21

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The Double Nickase Plasmid features a U6 promoter for sgRNA expression, a 20 nt targeting sequence, and a gRNA scaffold to guide Cas9n. It includes a CBh promoter for Cas9n (D10A) and puromycin resistance, GFP for transfection verification, and nuclear localization signals (NLS). The 2A peptide allows co-expression of Cas9n and Puro from a single promoter, enabling precise genome editing with reduced off-target effects.
The Double Nickase Plasmid features a U6 promoter for sgRNA expression, a 20 nt targeting sequence, and a gRNA scaffold to guide Cas9n. It includes a CBh promoter for Cas9n (D10A) and puromycin resistance, GFP for transfection verification, and nuclear localization signals (NLS). The 2A peptide allows co-expression of Cas9n and Puro from a single promoter, enabling precise genome editing with reduced off-target effects.
The Double Nickase Plasmid features a U6 promoter for sgRNA expression, a 20 nt targeting sequence, and a gRNA scaffold to guide Cas9n. It includes a CBh promoter for Cas9n (D10A) and puromycin resistance, GFP for transfection verification, and nuclear localization signals (NLS). The 2A peptide allows co-expression of Cas9n and Puro from a single promoter, enabling precise genome editing with reduced off-target effects.
The Double Nickase Plasmid features a U6 promoter for sgRNA expression, a 20 nt targeting sequence, and a gRNA scaffold to guide Cas9n. It includes a CBh promoter for Cas9n (D10A) and puromycin resistance, GFP for transfection verification, and nuclear localization signals (NLS). The 2A peptide allows co-expression of Cas9n and Puro from a single promoter, enabling precise genome editing with reduced off-target effects.
Cas9n Nickase gRNA Plasmid Targeting: Dual gRNA plasmids create single-strand nicks at precise DNA sequences for efficient genome editing using Cas9n Nickase.
Cas9n Nickase gRNA Plasmid Targeting: Dual gRNA plasmids create single-strand nicks at precise DNA sequences for efficient genome editing using Cas9n Nickase.
This image illustrates the Cas9n Nickase mechanism used for precise genome editing. Two plasmids (Plasmid 1 and Plasmid 2) are shown, each containing a targeted DNA sequence. The system utilizes single-guide RNAs (sgRNA) to direct Cas9n Nickase to specific genomic locations, represented by the blue and pink DNA strands. The sgRNA scaffold aids in guiding Cas9n to the 20 nucleotide (nt) target sequence on the DNA. Cas9n makes single-strand cuts at NCC and NGG sites, enabling precise gene modifications without creating double-strand breaks.
This image illustrates the Cas9n Nickase mechanism used for precise genome editing. Two plasmids (Plasmid 1 and Plasmid 2) are shown, each containing a targeted DNA sequence. The system utilizes single-guide RNAs (sgRNA) to direct Cas9n Nickase to specific genomic locations, represented by the blue and pink DNA strands. The sgRNA scaffold aids in guiding Cas9n to the 20 nucleotide (nt) target sequence on the DNA. Cas9n makes single-strand cuts at NCC and NGG sites, enabling precise gene modifications without creating double-strand breaks.
The Double Nickase Plasmid features a U6 promoter for sgRNA expression, a 20 nt targeting sequence, and a gRNA scaffold to guide Cas9n. It includes a CBh promoter for Cas9n (D10A) and puromycin resistance, GFP for transfection verification, and nuclear localization signals (NLS). The 2A peptide allows co-expression of Cas9n and Puro from a single promoter, enabling precise genome editing with reduced off-target effects.

hnRNP C1/C2双切口酶质粒(h): sc-400993-NIC

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说明书
  • 针对种属：human
  • 20 µg 纯化的即用型的质粒DNA，最多可供20次转染
  • hnRNP C1/C2 双切口酶质粒（h）含有一对质粒，分别编码D10A突变的Cas9核酸酶，和目标特异的 20 nt 向导RNA （gRNA），与其相应的/%base_sku_name%/ CRISPR/Cas9敲除质粒相比，它在基因敲除方面具有更好的特异性
  • 成对的向导RNA序列与目标基因中约20个碱基对互补，从而使Cas9可以模仿DNA双链断裂（DSB），介导特异的基因组DNA双切割
  • 质粒对中的一个包含供筛选使用的嘌呤霉素抗性基因；另一个包含供观察转染使用的绿色荧光蛋白标记
  • hnRNP C1/C2双切酶质粒（h）和hnRNP C1/C2双切酶质粒（h2）编码针对HNRNPC的不同配对gRNA设计。其中一种或两种设计可能均有提供
  • 转染后，基因敲除效率可以用抗体：hnRNP C1/C2: sc-32308，通过WB, IF或者IHC分析
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    订购信息

    产品名称产品编号规格价格数量收藏夹

    hnRNP C1/C2双切口酶质粒(h)

    sc-400993-NIC
    20 µg
    		CNY3084.00

    hnRNP C1/C2双切口酶质粒(h2)

    sc-400993-NIC-2
    20 µg
    		CNY3084.00

    HNRNPC 基因编码异质核核糖核蛋白 C1/C2（hnRNP C1/C2）。这是一类在细胞核内含量丰富的 RNA 结合蛋白，可组装到新生的 pre-mRNA 上，从而调控剪接位点选择、mRNA 成熟以及转录本稳定性。hnRNP C1/C2 通过在隐蔽的多聚尿嘧啶序列（polyuridine tracts）处与 U2AF2 竞争，帮助维持 RNA 加工的准确性，从而限制源自 Alu 序列的异常“外显子化”（exonization），并塑造不同异构体（isoform）的产出。通过这些作用，它还会影响更广泛的基因表达程序，这些程序与细胞周期控制、DNA 损伤应答和蛋白质稳态（proteostasis）相关；因此在癌症与神经退行性疾病模型中观察到的 RNA 失调研究里，hnRNP C1/C2 也是常被关注的对象。HNRNPC 表达量或功能的改变，也与先天免疫信号以及由 RNA 代谢紊乱所驱动的应激适应性转录网络变化有关。

    hnRNP C1/C2 双切酶质粒（h）由一对匹配的质粒组成，专为在 human 细胞系中对 HNRNPC 位点进行高特异性编辑而设计。每个质粒分别表达Cas9 D10A切口酶和针对HNRNPC内不同DNA链的独特sgRNA。当这两种切口酶被引导至相邻但位于DNA链相反侧的位点时，会产生错位的单链切口，从而共同形成错位双链断裂，这需要两个引导RNA在靶位点上协同发挥作用。由此产生的DNA断裂通过内源性细胞修复途径（最常见的是非同源末端连接（NHEJ））得到修复，从而导致插入或缺失，进而破坏HNRNPC的功能。通过要求双sgRNA在靶位点结合，双切口方法提高了编辑特异性，并为需要对靶向精度进行额外控制的应用提供了互补的CRISPR策略。

    为高效识别编辑后的细胞，其中一个质粒编码GFP以实现转染细胞群的荧光可视化，而配套质粒则携带嘌呤霉素抗性基因用于抗生素筛选。这些特性共同支持共转染细胞群的高效富集，并简化了HNRNPC基因失活克隆的验证流程。

    仅供研究使用。不用于诊断或治疗。

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