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Recombinant Human B7-1/CD80 Protein

  • 表达系统: HEK293
  • Accession #: P33681
  • 蛋白标签: C-His
  • 生物活性: Immobilized Recombinant Human B7-1/CD80 Protein (rp144120) at 2.0 μg/mL can bind Recombinant human CTLA-4 with a linear range of 7.0 - 62.0 ng/mL. The EC50 for this effect is 23.47 ng/mL.
  • 内毒素水平: <0.1 EU/μg
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货号 (SKU) 包装规格 是否现货 价格 数量
rp144120-10μg
10μg 现货 Stock Image
rp144120-50μg
50μg 现货 Stock Image
rp144120-100μg
100μg 现货 Stock Image
rp144120-1mg
1mg 期货 Stock Image

基本描述

产品名称 Recombinant Human B7-1/CD80 Protein
别名 B-淋巴细胞激活抗原B7-1(LAB7-1)活性蛋白 | 重组人 B7-1/CD80 蛋白
英文别名 Activation B7-1 antigen | B7 | BB1 | CTLA-4 counter-receptor B7.1 | Activation B7-1 antigen | B lymphocyte activation antigen B7 | B7 | B7-1 | B7-1 antigen | B7.1 | BB1 | CD28 antigen ligand 1 | CD28LG | CD28LG1 | CD80 | CD80 antigen | CD80 antigen (CD28
规格或纯度 ActiBioPure™, Bioactive, Animal Free, Carrier Free, Azide Free, ≥95%(SDS-PAGE)
产品介绍


Purity
≥95% (SDS-PAGE)
Endotoxin level
<0.1 EU/μg
Function
Involved in the costimulatory signal essential for T-lymphocyte activation. T-cell proliferation and cytokine production is induced by the binding of CD28 or CTLA-4 to this receptor.

生物活性 Immobilized Recombinant Human B7-1/CD80 Protein (rp144120) at 2.0 μg/mL can bind Recombinant human CTLA-4 with a linear range of 7.0 - 62.0 ng/mL. The EC50 for this effect is 23.47 ng/mL.
内毒素水平 <0.1 EU/μg
表达系统 HEK293
种属 人(Human)
氨基酸 35-242 aa
序列 VIHVTKEVKEVATLSCGHNVSVEELAQTRIYWQKEKKMVLTMMSGDMNIWPEYKNRTIFDITNNLSIVILALRPSDEGTYECVVLKYEKDAFKREHLAEVTLSVKADFPTPSISDFEIPTSNIRRIICSTSGGFPEPHLSWLENGEELNAINTTVSQDPETELYAVSSKLDFNMTTNHSFMCLIKYGHLRVNQTFNWNTTKQEHFPDNHHHHHH
纯度 ≥95% (SDS-PAGE)
蛋白标签 C-His
无载体 Yes
无动物源 Yes
Accession # P33681
来源 重组表达
预测分子量 25 kDa
SDS-PAGE 40 - 55 kDa, under reducing conditions; 40 - 55 kDa, under non-reducing conditions.

储存与运输

物理形态 冻干(Lyophilized)
储存缓冲液 Lyophilized from 10mM PBS, 5% Trehalose, 5% Mannitol, pH 7.4
复溶 Reconstitute in sterile water to a concentration of 0.1-0.5 mg/ml.
储存温度 -20°C储存,避免反复冻融
运输条件 超低温冰袋运输
稳定性与储存 在 -20~-80℃ 下可保存 1 年以上。收货后建议分装。避免冷冻/解冻循环。
分子类型 蛋白质

图片

Recombinant Human B7-1/CD80 Protein (rp144120) - Protein Bioactivity
Immobilized Recombinant Human B7-1/CD80 Protein (rp144120) at 2.0 μg/mL can bind Recombinant human CTLA-4 with a linear range of 7.0 - 62.0 ng/mL. The EC50 for this effect is 23.47 ng/mL.

Recombinant Human B7-1/CD80 Protein (rp144120) - SDS-PAGE
3 μg/lane of Recombinant Human B7-1/CD80 Protein was resolved with SDS-PAGE under reducing (R) and non-reducing (N) conditions and visualized by Coomassie® Blue staining, showing a band at 40 - 55 kDa.

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找到6个结果

批号(Lot Number) 证书类型 货号
ZJ24F1215480 分析证书 rp144120
ZJ24F1215478 分析证书 rp144120
ZJ24F1215479 分析证书 rp144120
ZJ24F0809593 分析证书 rp144120
ZJ24F0809591 分析证书 rp144120
ZJ24F0809592 分析证书 rp144120

引用文献

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10. Gottlieb, Alice B AB and 8 more authors..  (2004)  Evaluation of safety and clinical activity of multiple doses of the anti-CD80 monoclonal antibody, galiximab, in patients with moderate to severe plaque psoriasis..  Clinical immunology (Orlando, Fla.),  [PMID:15093549]
11. Czuczman, Myron S MS and 13 more authors..  (2005)  Phase I/II study of galiximab, an anti-CD80 antibody, for relapsed or refractory follicular lymphoma..  Journal of clinical oncology : official journal of the American Society of Clinical Oncology,  (1): [PMID:15994148]
12. and Kremer, Joel M JM..  (2005)  Selective costimulation modulators: a novel approach for the treatment of rheumatoid arthritis..  Journal of clinical rheumatology : practical reports on rheumatic & musculoskeletal diseases,  [PMID:16357751]
13. Hervey, Pauline S PS and Keam, Susan J SJ..  (2006)  Abatacept..  BioDrugs : clinical immunotherapeutics, biopharmaceuticals and gene therapy,  [PMID:16573350]
14. Muzny, Donna M DM and 113 more authors..  (2006)  The DNA sequence, annotation and analysis of human chromosome 3..  Nature,  (27): [PMID:16641997]
15. Weyand, Cornelia M CM and Goronzy, Jörg J JJ..  (2006)  T-cell-targeted therapies in rheumatoid arthritis..  Nature clinical practice. Rheumatology,  [PMID:16932686]
16. and Scheinfeld, Noah N..  (2006)  Abatacept: A review of a new biologic agent for refractory rheumatoid arthritis for dermatologists..  The Journal of dermatological treatment,  [PMID:16971318]
17. Tedesco Silva, Helio H, Pinheiro Machado, Paula P, Rosso Felipe, Claudia C and Medina Pestana, Jose Osmar JO..  (2006)  Immunotherapy for De Novo renal transplantation: what's in the pipeline?.  Drugs,  [PMID:16978033]
18. Vincenti, Flavio F and Luggen, Michael M..  (2007)  T cell costimulation: a rational target in the therapeutic armamentarium for autoimmune diseases and transplantation..  Annual review of medicine,  [PMID:17020493]
19. Nogid, Anna A and Pham, David Q DQ..  (2006)  Role of abatacept in the management of rheumatoid arthritis..  Clinical therapeutics,  [PMID:17212998]
20. Leonard, J P JP and 14 more authors..  (2007)  A phase I/II study of galiximab (an anti-CD80 monoclonal antibody) in combination with rituximab for relapsed or refractory, follicular lymphoma..  Annals of oncology : official journal of the European Society for Medical Oncology,  [PMID:17470451]
21. Kakoulidou, M M, Giscombe, R R, Zhao, X X, Lefvert, A K AK and Wang, X X..  (2007)  Human Soluble CD80 is generated by alternative splicing, and recombinant soluble CD80 binds to CD28 and CD152 influencing T-cell activation..  Scandinavian journal of immunology,  [PMID:17953528]
22. Reynolds, Jennifer J, Shojania, Kam K and Marra, Carlo A CA..  (2007)  Abatacept: a novel treatment for moderate-to-severe rheumatoid arthritis..  Pharmacotherapy,  [PMID:18041889]
23. Maxwell, Lara J LJ and Singh, Jasvinder A JA..  (2010)  Abatacept for rheumatoid arthritis: a Cochrane systematic review..  The Journal of rheumatology,  [PMID:20080922]
24. Kleinpeter, Patricia and 20 more authors..  (2019)  By Binding CD80 and CD86, the Vaccinia Virus M2 Protein Blocks Their Interactions with both CD28 and CTLA4 and Potentiates CD80 Binding to PD-L1..  Journal of virology,  (1): [PMID:30918073]

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