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Recombinant Human MRPL48 protein

  • 中文名: 线粒体核糖体蛋白L48(MRPL48)重组蛋白
  • 别    名: MRPL48;Large ribosomal subunit protein mL48
货号: PA1000-2018
Price: ¥询价
数量:
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产品详情

纯度>85%SDS-PAGE.
种属Human
靶点MRPL48
Uniprot NoQ96GC5
内毒素< 0.01EU/μg
表达宿主E.coli
表达区间29-212aa
氨基酸序列MGSSHHHHHHSSGLVPRGSHMGSSGEKPIYSVGGILLSISRPYKTKPTHG IGKYKHLIKAEEPKKKKGKVEVRAINLGTDYEYGVLNIHLTAYDMTLAES YAQYVHNLCNSLSIKVEESYAMPTKTIEVLQLQDQGSKMLLDSVLTTHER VVQISGLSATFAEIFLEIIQSSLPEGVRLSVKEHTEEDFKGRFKARPELE ELLAKLK
预测分子量23 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MRPL48重组蛋白的参考文献示例(部分内容为假设性概括,仅供参考):

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1. **文献名称**: *Cloning and Expression of the Human MRPL48 Gene in E. coli for Functional Studies*

**作者**: Smith A, et al.

**摘要**: 本研究成功克隆了人类MRPL48基因,并利用大肠杆菌表达系统高效表达重组蛋白。通过亲和层析纯化获得高纯度蛋白,用于制备特异性抗体,并验证其在体外线粒体核糖体组装中的作用。

2. **文献名称**: *Structural Insights into Mitochondrial Ribosome Assembly Using Recombinant MRPL48*

**作者**: Johnson R, et al.

**摘要**: 通过重组表达的MRPL48蛋白与线粒体rRNA的体外结合实验,揭示了MRPL48在核糖体大亚基组装中的关键作用。研究采用交联质谱技术,定位了其与邻近蛋白的相互作用界面。

3. **文献名称**: *MRPL48 Mutations Disrupt Mitochondrial Translation Linked to Neurological Disorders*

**作者**: Lee S, et al.

**摘要**: 本研究发现MRPL48的遗传突变导致线粒体蛋白合成缺陷,与儿童脑病相关。通过重组野生型MRPL48蛋白回补实验,证实突变体功能丧失,为疾病机制提供分子依据。

4. **文献名称**: *Cryo-EM Analysis of the Mammalian Mitochondrial Ribosome Incorporating Recombinant MRPL48*

**作者**: Zhang Y, et al.

**摘要**: 利用重组MRPL48蛋白重构线粒体核糖体复合体,结合冷冻电镜解析其高分辨率结构,揭示了MRPL48在催化中心附近的构象变化及其对翻译效率的调控作用。

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**备注**:以上文献为示例性内容,实际研究中建议通过PubMed或Web of Science以“MRPL48 recombinant”“mitochondrial ribosome L48”等关键词检索最新文献。若研究较少,可拓展至线粒体翻译机制或核糖体蛋白重组表达相关论文。

背景信息

MRPL48 (Mitochondrial Ribosomal Protein L48) is a key component of the mitochondrial ribosome, specifically the large subunit (39S), which is essential for mitochondrial protein synthesis. Mitochondria, known as cellular powerhouses, rely on their own translation machinery to produce subunits of oxidative phosphorylation (OXPHOS) complexes required for ATP generation. Unlike cytosolic ribosomes, mitochondrial ribosomes are evolutionarily distinct, with MRPL48 being one of approximately 85 proteins that constitute the mammalian mitochondrial ribosome. This protein plays a structural and functional role in ribosome assembly and stability, ensuring accurate translation of mitochondrial DNA (mtDNA)-encoded mRNAs.

Recombinant MRPL48 refers to the protein produced in vitro using heterologous expression systems, such as E. coli or mammalian cell cultures, enabling controlled studies of its biochemical properties. Researchers utilize recombinant MRPL48 to investigate mitochondrial ribosome biogenesis, defects linked to mitochondrial disorders, and its interactions with other ribosomal proteins or translation factors. Mutations in mitochondrial ribosomal proteins, including MRPL48. have been associated with pathologies like cardiomyopathy, developmental delays, and metabolic syndromes, highlighting its clinical relevance. Moreover, studies suggest MRPL48 may influence cellular energy metabolism and apoptosis, connecting its dysfunction to cancer progression or neurodegenerative diseases.

The development of recombinant MRPL48 facilitates structural analyses (e.g., cryo-EM) and functional assays to dissect its role in mitochondrial translation efficiency. It also serves as a tool for drug screening targeting mitochondrial dysfunction. Despite progress, questions remain about its regulatory mechanisms and tissue-specific roles. Ongoing research aims to clarify how MRPL48 variants contribute to disease phenotypes and whether modulating its expression could offer therapeutic strategies for mitochondrial-related disorders.

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