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产品描述:

产品名称:Human CD28 Protein

别名: CD28 antigen (Tp44); CD28 antigen; CD28 molecule; CD28; MGC138290; T-cell-specific surface glycoprotein CD28; Tp44

背景说明: CD28 is the receptor for CD80 (B7-1) and CD86 (B7-2) proteins.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.

序列: Thr17-Pro152

Accession: P10747

种属: Human

来源: Human CD28 is expressed from mammalian with a His tag and Avi tag at the N-terminal.;It contains Thr17-Pro152.

分子量: The protein has a predicted MW of 18.2 kDa. Due to glycosylation, the protein migrates to36-52KD based on Bis-Tris PAGE result.

纯度: > 95% as determined by Bis-Tris PAGE

内毒素水平: Less than 1 EU per μg by the LAL method.

形态: Lyophilized from 0.22um filtered solution in PBS (pH 7.4).Normally 5 % trehalose is added as protectant before lyophilization.

储存/保存方法: The product should be stored at -70℃ or -20℃.

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