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- Solarbio
- 北京
- P01142
- 2026年08月13日
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- 文献和实验
- 技术资料
- 保质期：
Upon receipt, store it immediately at -20°C or lower for long term storage. Please avoid repeated freeze-thaw cycles. This product is stable after storage at: <br>2-8°C for 2-7 days under sterile conditions after redissolves; <br>-20°C for 1 months and -70℃ for 3 months under sterile conditions after redissolves; <br>-20°C to -70℃ for 12 months in lyophilized state.
- 保存条件：
Upon receipt, store it immediately at -20°C or lower for long term storage. Please avoid repeated freeze-thaw cycles. This product is stable after storage at: <br>2-8°C for 2-7 days under sterile conditions after redissolves; <br>-20°C for 1 months and -70℃ for 3 months under sterile conditions after redissolves; <br>-20°C to -70℃ for 12 months in lyophilized state.
- 英文名：
CD28
- 库存：
999
- 供应商：
北京索莱宝科技有限公司
- 规格：
10ug/50ug/500ug/1mg
| 规格： | 10ug | 产品价格： | ¥988.00 |
|---|---|---|---|
| 规格： | 50ug | 产品价格： | ¥2600.00 |
| 规格： | 500ug | 产品价格： | ¥14784.00 |
| 规格： | 1mg | 产品价格： | ¥21120.00 |
| 基因名 | CD28 |
| 别名 | CD28; CD28 antigen; CD28 molecule; T-cell-specific surface glycoprotein CD28; Tp44; TP44 |
| 蛋白号 | P10747 |
| 种属 | Human |
| 宿主 | HEK293 |
| 产品描述 | Recombinant Human T-cell-specific Surface Glycoprotein CD28 is produced by our Mammalian expression system and the target gene encoding Asn19-Pro152 is expressed with a mouse IgG1 Fc tag at the C-terminus. |
| 区间范围 | Asn19-Pro152 |
| 标签信息 | C-mFc |
| 预测分子量 | 40-75 kDa |
| 表观分子量 | 40-75 KDa, reducing conditions |
| 纯度 | ≥95% by SDS‐PAGE. |
| 内毒素 | <1EU/ug as determined by LAL test. |
| 溶剂 | Lyophilized from a 0.2 μm filtered solution of PBS, pH 7.4. |
| 复溶 | Reconstituted protein solution can be diluted with distilled water. Always centrifuge tubes before opening. It is not recommended to reconstitute to a concentration less than 100μg/ml. |
| 储存条件 | Upon receipt, store it immediately at -20°C or lower for long term storage. Please avoid repeated freeze-thaw cycles. This product is stable after storage at: 2-8°C for 2-7 days under sterile conditions after redissolves; -20°C for 1 months and -70℃ for 3 months under sterile conditions after redissolves; -20°C to -70℃ for 12 months in lyophilized state. |
| 运输条件 | 冷冻运输 |
| 背景说明 | T-cell-specific surface glycoprotein CD28(CD28) is a single-pass typeI membrane protein which contains one Ig-likeV-type (immunoglobulin-like) domain. It belongs to the immunoglobulin(Ig) superfamily. CD28 is one of the molecules expressed on T cells that provide co-stimulatory signals, which are required for T cell activation.CD28 co-stimulation is necessary for CD4 positive T-cell proliferation and survival, interleukin-2 production, and T-helper type-2 development. Human post-thymic regulatory T cells require CD28 co-stimulation to expand and maintain potent suppressive function in vivo. Apoptosis plays a key role in the age-related decline of CD28 expression and in immunosenescence. CD28 is the receptor for CD80 (B7.1) and CD86 (B7.2). When activated by Toll-like receptor ligands, the CD80 expression is upregulated in antigen presenting cells (APCs). The CD86 expression on antigen presenting cells is constitutive. CD28 is the only B7 receptor constitutively expressed on naive T cells. |
| 细胞活性 | No activity experimental data, to be verified. |
| ELISA活性 | Immobilized Anti-CD28 mAb at 2μg/ml (100μl/wel) can bind Human/Cynomolgus CD28-mFc The ED50 of Human/Cynomolgus CD28-mFc is 7.89 ng/ml. |
| SPR/BLI活性 | Loaded Anti-Human CD28 mAb-Fc on AHC Biosensor, can bind Human/Cynomolgus CD28-mFc with an affinity constant of 0.001 nM as determined in BLI assay. |
| 研究领域 | 生物制药相关研究 |
| 英文名称 | CD28 |
| 中文名称 | CD28蛋白 |
| 单位 | 支 |
| 规格 | 10ug ; 50ug ; 500ug ; 1mg |
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文献和实验Expression of Recombinant Cytochromes c in E. coli
for proper folding and stability. However, significant advances in expression of recombinant cytochromes c have been made during the last decade. It has been shown that a single gene cluster, ccmA–H , is responsible for cytochrome c maturation in Escherichia
分别利用 CD3 与 CD28 的功能学抗体，以及 CD3/CD28 Streptamer® 激活扩增 T 细胞的实验步骤与实验结果。 CD3/CD28抗体法 1、实验步骤： 1.1 抗体包被 用无菌 PBS 将 anti-mouse CD3 抗体（克隆号：145-2C11）稀释至 5μg/ml，稀释后的抗体加入到 24 孔板中，每孔 400μl，4°C 包被过夜。（注：板子在加入抗体之前，先用无菌 PBS 润洗 2-3 遍，避免干孔）； 1.2 小鼠脾脏淋巴细胞分离（次日） 1. 将 70μm
The N-terminal and C-terminal portions of the heavy chain fragment C from botulinum neurotoxin serotype C [rBoNT(HC )] were expressed in Pichia pastoris and purified by ion-exchange chromotography (IEC). The N-terminal fragment, rBoNTC(Hc )-N
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