纯度 | >90%SDS-PAGE. |
种属 | Human |
靶点 | SPTbN4 |
Uniprot No | Q9NRC6 |
内毒素 | < 0.01EU/μg |
表达宿主 | E.coli |
表达区间 | 全长 |
氨基酸序列 | full |
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. |
以下是关于SPTBN4重组蛋白的参考文献示例(注:部分文献为假设性示例,实际文献需通过学术数据库验证):
1. **文献名称**:*"Recombinant Expression and Purification of SPTBN4 for Structural Analysis"*
**作者**:Smith J. et al.
**摘要**:报道了在大肠杆菌系统中成功表达并纯化重组SPTBN4蛋白,通过优化表达条件提高蛋白溶解度,为后续的X射线晶体学研究奠定基础。
2. **文献名称**:*"SPTBN4 Recombinant Protein Modulates Neurite Outgrowth in Cortical Neurons"*
**作者**:Lee H. et al.
**摘要**:研究利用重组SPTBN4蛋白揭示其在神经元发育中的作用,证实其通过与细胞骨架蛋白相互作用促进神经突生长,暗示其在神经退行性疾病中的潜在功能。
3. **文献名称**:*"High-Yield Production of Recombinant SPTBN4 Using Mammalian Expression Systems"*
**作者**:Zhang R. et al.
**摘要**:开发了一种基于哺乳动物细胞的重组SPTBN4高效表达体系,结合亲和层析技术获得高纯度蛋白,适用于功能性及互作组学分析。
4. **文献名称**:*"SPTBN4 Suppresses Tumor Metastasis via Regulation of Focal Adhesion Dynamics"*
**作者**:Gomez M. et al.
**摘要**:通过体外实验证明重组SPTBN4蛋白可抑制癌细胞迁移,机制涉及调控黏着斑复合物稳定性,为癌症治疗提供新靶点。
**注意**:以上文献为示例性质,实际研究中建议通过PubMed或Web of Science以关键词“SPTBN4 recombinant”或“SPTBN4 expression”检索最新成果。若目标蛋白为“SPTbN4”(如涉及丝氨酸棕榈酰转移酶亚基),需调整关键词并验证拼写准确性。
**Background of SPTbN4 Recombinant Protein**
Serine palmitoyltransferase (SPT) is a key enzyme in sphingolipid biosynthesis, catalyzing the condensation of serine and palmitoyl-CoA to form 3-ketodihydrosphingosine, the first committed step in this pathway. SPT dysfunction is linked to metabolic disorders, neurodegenerative diseases, and cancer. The SPT complex typically consists of multiple subunits, with SPTb (a regulatory subunit) playing a critical role in substrate specificity and enzyme stability.
SPTbN4 refers to a recombinant variant or engineered form of the SPTb subunit, likely designed for enhanced expression, stability, or functional studies. Recombinant protein technology allows its production in heterologous systems (e.g., *E. coli* or mammalian cells*), enabling precise control over post-translational modifications and purity. This engineered protein is instrumental in studying SPT's structure-activity relationships, substrate interactions, and inhibition mechanisms.
Research involving SPTbN4 has implications for understanding diseases like hereditary sensory neuropathy type 1 (HSAN1), where SPT mutations cause toxic sphingolipid accumulation. It also aids in drug discovery, particularly for inhibitors or modulators targeting sphingolipid metabolism in cancer or metabolic syndromes. By providing a standardized, scalable source of functional SPTb, this recombinant tool advances both basic science and therapeutic development, bridging gaps in lipidomics and personalized medicine.
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