纯度 | >90%SDS-PAGE. |
种属 | Human |
靶点 | HSPB2 |
Uniprot No | Q16082 |
内毒素 | < 0.01EU/μg |
表达宿主 | E.coli |
表达区间 | 1-182aa |
氨基酸序列 | MGSSHHHHHH SSGLVPRGSH MGSHMSGRSV PHAHPATAEY EFANPSRLGE QRFGEGLLPE EILTPTLYHG YYVRPRAAPA GEGSRAGASE LRLSEGKFQA FLDVSHFTPD EVTVRTVDNL LEVSARHPQR LDRHGFVSRE FCRTYVLPAD VDPWRVRAAL SHDGILNLEA PRGGRHLDTE VNEVYISLLP APPDPEEEEE AAIVEP |
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. |
以下是关于HSPB2重组蛋白的3篇参考文献及其摘要概括:
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1. **文献名称**:*Recombinant HSPB2 Enhances Mitochondrial Function and Protects Against Cardiac Ischemia-Reperfusion Injury*
**作者**:Chen L, et al.
**摘要**:该研究利用大肠杆菌系统成功表达并纯化了重组HSPB2蛋白,发现其通过调节线粒体膜电位和减少ROS生成,显著减轻心肌缺血再灌注损伤,揭示了HSPB2在心血管保护中的潜在治疗价值。
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2. **文献名称**:*Structural Characterization of HSPB2 Chaperone Activity Using Recombinant Protein Expression*
**作者**:Smith J, et al.
**摘要**:研究者通过哺乳动物细胞表达系统制备了重组HSPB2.结合X射线晶体学分析其结构,发现HSPB2通过C端结构域与其他小热休克蛋白(如HSPB1)互作,协同维持应激条件下蛋白质的稳定性。
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3. **文献名称**:*HSPB2 Recombinant Protein Attenuates Neurodegeneration in a Parkinson’s Disease Model*
**作者**:Wang Y, et al.
**摘要**:该研究在小鼠帕金森模型中验证了重组HSPB2蛋白的神经保护作用,证明其通过抑制α-突触核蛋白聚集和激活自噬通路,显著延缓多巴胺能神经元退化。
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(注:以上文献为示例性内容,实际文献需通过PubMed或学术数据库检索确认。)
HSPB2 (Heat Shock Protein Family B Member 2), also known as heat shock protein 27kDa-associated protein 2. is a member of the small heat shock protein (sHSP) family. These proteins are characterized by a conserved α-crystallin domain and function as molecular chaperones, assisting in protein folding, preventing aggregation of denatured proteins, and promoting cellular stress resistance. HSPB2 is distinct from its more studied paralog HSPB1 (HSP27) in tissue distribution and structural features. It is predominantly expressed in cardiac and skeletal muscle tissues, where it localizes to mitochondria and cytoplasm, suggesting roles in energy metabolism and stress response.
Recombinant HSPB2 protein is produced using genetic engineering techniques, typically expressed in bacterial or mammalian systems to ensure proper folding and post-translational modifications. Its production enables in vitro studies to dissect molecular mechanisms, such as interactions with client proteins (e.g., misfolded proteins or components of the ubiquitin-proteasome system) and regulatory pathways involving phosphorylation. Research highlights its involvement in mitigating oxidative stress, modulating autophagy, and maintaining mitochondrial integrity. Dysregulation of HSPB2 has been implicated in neuromuscular disorders, cardiomyopathies, and neurodegenerative diseases like Alzheimer’s, making it a potential therapeutic target.
Current studies focus on its chaperone activity, oligomerization dynamics, and crosstalk with other stress-response pathways. Recombinant HSPB2 also serves as a tool for antibody development and biomarker discovery. Despite progress, questions remain about its precise physiological roles, tissue-specific regulation, and therapeutic applicability, driving ongoing investigations into its structure-function relationships and disease associations.
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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。
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