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Recombinant mouse Nkx2-2 protein

  • 中文名: 同源盒蛋白Nkx-2.2(Nkx2-2)重组蛋白
  • 别    名: Nkx2-2;NKX23;NKX2C;Homeobox protein Nkx-2.3
货号: PA2000-2126
Price: ¥询价
数量:
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产品详情

纯度>90%SDS-PAGE.
种属mouse 
靶点Nkx2-2
Uniprot No  P42586
内毒素< 0.01EU/μg
表达宿主E.coli
表达区间1-273aa
氨基酸序列MSLTNTKTGF SVKDILDLPD TNDEDGSVAE GPEEESEGPE PAKRAGPLGQ GALDAVQSLP LKSPFYDSSD NPYTRWLAST EGLQYSLHGL AASAPPQDSS SKSPEPSADE SPDNDKETQG GGGDAGKKRK RRVLFSKAQT YELERRFRQQ RYLSAPEREH LASLIRLTPT QVKIWFQNHR YKMKRARAEK GMEVTPLPSP RRVAVPVLVR DGKPCHALKA QDLAAATFQA GIPFSAYSAQ SLQHMQYNAQ YSSASTPQYP TAHPLVQAQQ WTW
预测分子量kDa
蛋白标签His tag N-Terminus
缓冲液PBS, pH7.4, containing 0.01% SKL, 1mM DTT, 5% Trehalose and Proclin300.
稳定性 & 储存条件Lyophilized protein should be stored at ≤ -20°C, stable for one year after receipt.
Reconstituted protein solution can be stored at 2-8°C for 2-7 days.
Aliquots of reconstituted samples are stable at ≤ -20°C for 3 months.
复溶Always centrifuge tubes before opening.Do not mix by vortex or pipetting.
It is not recommended to reconstitute to a concentration less than 100μg/ml.
Dissolve the lyophilized protein in distilled water.
Please aliquot the reconstituted solution to minimize freeze-thaw cycles.

参考文献

以下是关于 **Nkx2-2重组蛋白** 的3篇参考文献示例,包含文献名称、作者及摘要概括:

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1. **文献名称**:*Nkx2-2 is required for pancreatic beta cell differentiation and function*

**作者**:Sander, M., et al.

**摘要**:该研究通过基因表达分析和重组蛋白功能实验,揭示了Nkx2-2在胰腺β细胞分化中的关键作用。重组蛋白的体外实验表明,Nkx2-2通过调控胰岛素基因表达维持β细胞特性,缺失会导致内分泌细胞发育异常。

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2. **文献名称**:*Recombinant Nkx2-2 protein regulates neural progenitor differentiation in vitro*

**作者**:Suslov, O.N., et al.

**摘要**:研究利用大肠杆菌表达的Nkx2-2重组蛋白,探究其对神经干细胞分化的影响。实验显示,重组Nkx2-2通过激活特定靶基因(如Olig2),促进神经前体细胞向少突胶质细胞分化,而非神经元方向。

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3. **文献名称**:*Expression and purification of functional Nkx2-2 transcription factor for DNA-binding studies*

**作者**:Yan, H., et al.

**摘要**:本文报道了一种高效表达和纯化Nkx2-2重组蛋白的方法(原核系统)。通过凝胶迁移实验(EMSA)验证,纯化的重组蛋白能特异性结合靶DNA序列(如胰岛素启动子区域),为研究其转录调控机制提供工具。

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**注**:以上文献为示例,实际引用时建议通过PubMed或Google Scholar核对具体信息(DOI、期刊卷号等)。如需扩展,可检索关键词“Nkx2-2 recombinant protein expression”或“Nkx2-2 functional analysis”。

背景信息

Nkx2-2 (NK2 Homeobox 2) is a transcription factor belonging to the NK2 family of homeodomain-containing proteins, which play critical roles in embryonic development and cell fate determination. It is characterized by a conserved DNA-binding homeodomain that enables sequence-specific interactions with target gene promoters. Nkx2-2 is notably involved in the development of the central nervous system (CNS), pancreas, and other tissues. In the CNS, it regulates the specification of ventral neuronal subtypes, particularly V3 interneurons, while in the pancreas, it is essential for the differentiation of β-cells and other endocrine cell lineages. Dysregulation of Nkx2-2 has been linked to developmental disorders, diabetes, and certain cancers, highlighting its biomedical relevance.

Recombinant Nkx2-2 protein is engineered using expression systems such as *E. coli* or mammalian cells to produce a purified, functional form for experimental applications. This protein typically retains its DNA-binding capacity and transcriptional regulatory activity, making it valuable for *in vitro* studies, including electrophoretic mobility shift assays (EMSAs), chromatin immunoprecipitation (ChIP), and cell-based differentiation assays. Researchers utilize recombinant Nkx2-2 to investigate its interaction with co-factors (e.g., NeuroD, Pax6) or epigenetic modifiers, as well as its role in gene regulatory networks governing cell identity. In disease modeling, it aids in exploring mechanisms underlying pancreatic β-cell dysfunction or neurodevelopmental defects. Additionally, it serves as a tool for screening small molecules that modulate its activity, with potential therapeutic implications for diabetes or neural repair. Quality control often includes verification of purity, structural integrity, and functional assays to ensure biological relevance.

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