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产品信息
RP-107728
产品规格
种属
Human
Expression System
E. coli
氨基酸序列
RSKRSRLLHSDYMNMTPRRPGPTRKHYQPYAPPRDFAAYRS
标签
His-ABP-tag
分类
Recombinant
类型
Protein
纯度
>80% by SDS-PAGE and Coomassie blue staining
偶联物
形式
Liquid
浓度
2.70 mg/mL
纯化类型
purified
保存液
PBS/1M urea, pH 7.4
内含物
no preservative
保存条件
-20° C, Avoid Freeze/Thaw Cycles
运输条件
Wet ice
产品详细信息
Highest antigen sequence indentity to the following orthologs: Mouse (80%), Rat (80%).
This recombinant protein control fragment may be used for blocking experiments with the corresponding antibody, PA5-84832. In IHC/ICC and WB experiments, we recommend a 100x molar excess of the protein fragment control based on the concentration and the molecular weight. Pre-incubate the antibody-protein control fragment mixture for 30 min at room temperature.
靶标信息
CD28 antigen is a 44 kDa disulfide linked homodimeric T cell specific surface glycoprotein. CD28 is a cell adhesion molecule of the immunoglobulin superfamily which is constitutively expressed on most peripheral blood T lymphocytes. Moreover, CD28 is the critical T cell costimulatory receptor that provides the cell the important second activation signal by binding CD80 and CD86 which are expressed by antigen presenting cells. In addition to its co-stimulation role, CD28 functions by preventing T cells from entering an anergic-hyporesponsive state or from undergoing premature apoptotic cell death. In murine peripheral lymphoid organs and in the blood, all CD4+ and CD8+ T cells express CD28. In the thymus, CD28 expression is highest on immature CD3-, CD8+ and CD4+8+ cells, and on CD4-8- cells that express alpha/beta and gamma/delta TCR. The level of CD28 on mature CD4+ and CD8+ alpha/beta TCR+ thymocytes is two- to fourfold lower than on the immature cells. Diseases associated with CD28 dysfunction include mycosis fungiodes and Sezary's Disease.
仅用于科研。不用于诊断过程。未经明确授权不得转售。
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生物信息学
蛋白别名: CD28; CD28 antigen; MGC138290; sCD28; soluble CD28; T-cell-specific surface glycoprotein CD28; T44; TP44
基因别名: CD28; Tp44
UniProt ID: (Human) P10747
Entrez Gene ID: (Human) 940
