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大鼠 CD28/TP44 基因全長cDNA ORF克隆 (表達載體), C-His 標籤

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Rat CD28 cDNA Clone產品資訊
註冊碼:NM_013121.1
cDNA基因長度:657bp
cDNA基因描述:Full length Clone DNA of Rattus norvegicus Cd28 molecule with C terminal His tag.
基因別名:CD28RNA, Cd28
分子種屬:Rat
載體:pCMV3-C-His
Plasmid:
限制性酶切位點:
Tag序列:His Tag Sequence: CACCATCACCACCATCATCACCACCATCAC
序列資訊:
Sequencing primers:T7(TAATACGACTCACTATAGGG) BGH(TAGAAGGCACAGTCGAGG)
Promoter:Enhanced CMV mammalian cell promoter
Application:Stable or Transient mammalian expression
Antibiotic in E.coli:Kanamycin
Antibiotic in mammalian cell:Hygromycin
運輸條件:Each tube contains lyophilized plasmid.
儲存方法:The lyophilized plasmid can be stored at room temperature for three months.
His Tag Info

A polyhistidine-tag is an amino acid motif in proteins that consists of at least five histidine (His) residues, often at the N- or C-terminus of the protein.

Polyhistidine-tags are often used for affinity purification of polyhistidine-tagged recombinant proteins expressed in Escherichia coli and other prokarfyotic expression systems.

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研究背景

CD28 (Cluster of Differentiation 28) is a disulphide-bonded glycoprotein belonging to the immunoglobulin (Ig) superfamily, and structurally consists of a single Ig V-like extracellular domain, a transmembrane domain and an intracellular domain. Mouse CD28 is constitutively expressed on the surface of all murine T cells and on developing thymocytes as disulfide-linked homodimers or as monomers. CD28 can binds the B7-1 and B7-2 ligand, and together perform important functions in the T and B cell response pathways. B7/CD28 family members, which can augment or antagonize T-cell receptor signaling, in the regulation of central and peripheral T-cell tolerance. CD28 is thus involved in T-cell activation, the induction of cell proliferation and cytokine production and promotion of T-cell survival.

參考資料
  • Keir ME, et al. (2005) The B7/CD28 costimulatory family in autoimmunity. Immunol Rev. 204: 128-43.
  • Sansom DM, et al. (2006) The role of CD28 and cytotoxic T-lymphocyte antigen-4 (CTLA-4) in regulatory T-cell biology. Immunol Rev. 212: 131-48.
  • Bjrgo E, et al. (2010) Novel mechanism of signaling by CD28. Immunol Lett. 129(1): 1-6.
  • Size / Price
    貨號: RG80302-CH
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    庫存2-3 weeks
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