纯度 | >90%SDS-PAGE. |
种属 | Human |
靶点 | KPNa6 |
Uniprot No | O60684 |
内毒素 | < 0.01EU/μg |
表达宿主 | E.coli |
表达区间 | 1-536aa |
氨基酸序列 | METMASPGKD NYRMKSYKNN ALNPEEMRRR REEEGIQLRK QKREQQLFKR RNVELINEEA AMFDSLLMDS YVSSTTGESV ITREMVEMLF SDDSDLQLAT TQKFRKLLSK EPSPPIDEVI NTPRVVDRFV EFLKRNENCT LQFEAAWALT NIASGTSQQT KIVIEAGAVP IFIELLNSDF EDVQEQAVWA LGNIAGDSSV CRDYVLNCSI LNPLLTLLTK STRLTMTRNA VWALSNLCRG KNPPPEFAKV SPCLPVLSRL LFSSDSDLLA DACWALSYLS DGPNEKIQAV IDSGVCRRLV ELLMHNDYKV ASPALRAVGN IVTGDDIQTQ VILNCSALPC LLHLLSSPKE SIRKEACWTI SNITAGNRAQ IQAVIDANIF PVLIEILQKA EFRTRKEAAW AITNATSGGT PEQIRYLVSL GCIKPLCDLL TVMDSKIVQV ALNGLENILR LGEQEGKRSG SGVNPYCGLI EEAYGLDKIE FLQSHENQEI YQKAFDLIEH YFGVEDDDSS LAPQVDETQQ QFIFQQPEAP MEGFQL |
预测分子量 | 60 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KPNA6(Karyopherin α6/Importin α6)重组蛋白的3篇代表性文献摘要:
---
1. **文献名称**: *"Recombinant expression and functional characterization of human Importin α6 in nuclear import assays"*
**作者**: Smith J et al.
**摘要**: 本研究成功在大肠杆菌中表达并纯化了重组人源KPNA6蛋白,验证其与核定位信号(NLS)的结合能力,并证明其在体外核转运实验中可介导特定转录因子(如Oct4)的入核运输。
---
2. **文献名称**: *"Structural insights into the selectivity of Importin α6 for distinct cargo proteins"*
**作者**: Tanaka R et al.
**摘要**: 通过X射线晶体学解析了重组KPNA6蛋白与不同NLS肽段的复合物结构,揭示了其底物选择性的分子机制,发现其结合口袋的柔性结构域对识别干细胞相关蛋白具有特异性。
---
3. **文献名称**: *"KPNA6 knockdown impairs neuronal differentiation via dysregulation of global nuclear transport"*
**作者**: Chen L et al.
**摘要**: 利用重组KPNA6蛋白进行功能补偿实验,证明其在神经元分化过程中通过调控STAT3等信号分子的核转运维持分化进程,为神经发育疾病机制提供了新视角。
---
**备注**:以上文献为虚拟示例,实际研究中建议通过PubMed或Web of Science以“KPNA6 recombinant protein”“Importin α6 function”等关键词检索真实文献。若需具体文章,可提供领域方向进一步筛选。
**Background of KPNa6 Recombinant Protein**
KPNa6. also known as Karyopherin subunit alpha-6 or Importin alpha-6. is a member of the importin alpha family of nuclear transport proteins. These proteins play a critical role in nucleocytoplasmic transport by mediating the translocation of cargo proteins containing classical nuclear localization signals (NLS) into the nucleus. KPNa6 functions as an adaptor molecule, binding to NLS-bearing cargoes and forming a complex with Importin beta-1 (KPNB1), which facilitates passage through nuclear pore complexes.
The importin alpha family consists of multiple isoforms, each exhibiting tissue-specific expression and varying affinities for distinct NLS sequences. KPNa6 is particularly noted for its role in developmental processes, immune regulation, and cellular differentiation. Studies suggest its involvement in the nuclear import of transcription factors and signaling molecules critical for cell cycle progression, apoptosis, and stress responses. Dysregulation of KPNa6 has been linked to pathological conditions, including cancer and viral infections, where altered nuclear transport mechanisms contribute to disease progression.
Recombinant KPNa6 protein is engineered using heterologous expression systems (e.g., *E. coli* or mammalian cells) to produce a purified, biologically active form for research. This tool enables the study of nuclear transport mechanisms, protein-protein interactions, and NLS recognition specificity. Its applications extend to drug discovery, particularly in targeting nuclear transport pathways disrupted in diseases. Structural and functional analyses of recombinant KPNa6 have provided insights into the molecular basis of cargo selectivity and regulatory post-translational modifications, enhancing understanding of cellular trafficking dynamics.
Overall, KPNa6 recombinant protein serves as a vital resource for unraveling the complexities of nuclear transport biology and its implications in health and disease.
在生物科技领域,蛋白研发与生产是前沿探索的关键支撑。艾普蒂作为行业内的创新者,凭借自身卓越的研发实力,每年能成功研发 1000 多种全新蛋白,在重组蛋白领域不断突破。 在重组蛋白生产过程中,艾普蒂积累了丰富且成熟的经验。从结构复杂的跨膜蛋白,到具有特定催化功能的酶、参与信号传导的激酶,再到用于免疫研究的病毒抗原,艾普蒂都能实现高效且稳定的生产。 这一成就离不开艾普蒂强大的技术平台。我们构建了多元化的重组蛋白表达系统,昆虫细胞、哺乳动物细胞以及原核蛋白表达系统协同运作。不同的表达系统各有优势,能够满足不同客户对重组蛋白的活性、产量、成本等多样化的需求,从而提供高品质、低成本的活性重组蛋白。 艾普蒂提供的不只是产品,更是从源头到终端的一站式解决方案。从最初的基因合成,精准地构建出符合要求的基因序列,到载体构建,为蛋白表达创造适宜的环境,再到蛋白质表达和纯化,每一个环节都严格把控。我们充分尊重客户的个性化需求,在表达 / 纯化标签的选择、表达宿主的确定等方面,为客户量身定制专属方案。 同时,艾普蒂还配备了多种纯化体系,能够应对不同特性蛋白的纯化需求。这种灵活性和专业性,极大地提高了蛋白表达和纯化的成功率,让客户的研究项目得以顺利推进,在生物科技的探索道路上助力每一位科研工作者迈向成功。
艾普蒂生物自主研发并建立综合性重组蛋白生产和抗体开发技术平台,包括: 哺乳动物细胞表达平台:利用哺乳动物细胞精准修饰蛋白,产出与天然蛋白相似的重组蛋白,用于药物研发、细胞治疗等。 杂交瘤开发平台:通过细胞融合筛选出稳定分泌单克隆抗体的杂交瘤细胞株,优化后的技术让抗体亲和力与特异性更高,应用于疾病诊断、免疫治疗等领域。 单 B 细胞筛选平台:FACS 用荧光标记和流式细胞仪快速分选特定 B 细胞;Beacon® 基于微流控技术,单细胞水平捕获、分析 B 细胞,挖掘抗体多样性,缩短开发周期。 凭借这些平台,艾普蒂生物为客户提供优质试剂和专业 CRO 技术服务,推动生物科技发展。
艾普蒂生物在重组蛋白和天然蛋白开发领域经验十分丰富,拥有超过 2 万种重组蛋白的开发案例。在四大重组蛋白表达平台的运用上,艾普蒂生物不仅经验老到,还积累了详实的成功案例。针对客户的工业化生产需求,我们能够定制并优化实验方案。通过小试探索、工艺放大以及条件优化等环节,对重组蛋白基因序列进行优化,全面探索多种条件,精准找出最契合客户需求的生产方法。 此外,公司还配备了自有下游验证平台,可对重组蛋白展开系统的质量检测与性能测试,涵盖蛋白互作检测、活性验证、内毒素验证等,全方位保障产品质量。 卡梅德生物同样重视蛋白工艺开发,确保生产出的蛋白质具备所需的纯度、稳定性与生物活性,这对于保障药物的安全性和有效性起着关键作用 ,与艾普蒂生物共同推动着行业的发展。
×