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小鼠 CD122 / IL-2RB 基因全長cDNA ORF克隆 (表達載體), C-HA 標籤

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Mouse IL2RB/CD122 cDNA Clone產品資訊
註冊碼:NM_008368.3
cDNA基因長度:1620bp
cDNA基因描述:Full length Clone DNA of Mus musculus interleukin 2 receptor, beta chain with HA tag.
基因別名:p70, CD122, IL15Rbeta, Il-2Rbeta, MGC118674, IL-15Rbeta, Il-2/15Rbeta
分子種屬:Mouse
載體:pCMV/hygro-HA
Plasmid:pCMV-mIL2RB-ha
限制性酶切位點:HindIII + XhoI (5.5kb + 1.65kb)
Tag序列:HA Tag Sequence: TATCCTTACGACGTGCCTGACTACGCC
序列資訊:Identical with the Gene Bank Ref.ID sequence.
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.
Mouse IL2RB/CD122 Gene Plasmid Map
Mouse IL2RB / CD122 Gene cDNA Clone (full-length ORF Clone), expression ready, HA-tagged
pCMV2-HA Vector Information
 
Vector Name pCMV2-HA
Vector Size 5595bp
Vector Type Mammalian Expression Vector
Expression Method Constiutive, Stable / Transient
Promoter CMV
Antibiotic Resistance Kanamycin
Selection In Mammalian Cells Hygromycin
Protein Tag HA
Sequencing Primer Forward:T7(TAATACGACTCACTATAGGG)
Reverse:BGH(TAGAAGGCACAGTCGAGG)

Schematic of pCMV2-HA Multiple Cloning Sites

HA Tag Info

Human influenza hemagglutinin (HA) is a surface glycoprotein required for the infectivity of the human virus. The HA tag is derived from the HA-molecule corresponding to amino acids 98-106 has been extensively used as a general epitope tag in expression vectors. Many recombinant proteins have been engineered to express the HA tag, which does not appear to interfere with the bioactivity or the biodistribution of the recombinant protein. This tag facilitates the detection, isolation, and purification of the proteins.

The actual HA tag is as follows: 5' TAC CCA TAC GAT GTT CCA GAT TAC GCT 3' or 5' TAT CCA TAT GAT GTT CCA GAT TAT GCT 3' The amino acid sequence is: YPYDVPDYA.

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研究背景

Interleukin-2 receptor (IL-2R) also known as High affinity IL-2 receptor subunit beta, IL-2 receptor subunit beta, and IL-2RB, is involved in T cell-mediated immune responses. CD122/IL-2RB is present in 3 forms with respect to ability to bind interleukin 2. The low affinity form is a monomer of the alpha subunit and is not involved in signal transduction. The intermediate affinity form consists of an alpha/beta subunit heterodimer, while the high affinity form consists of an alpha/beta/gamma subunit heterotrimer. Both the intermediate and high affinity forms of CD122/IL-2RB are involved in receptor-mediated endocytosis and transduction of mitogenic signals from interleukin 2. CD122/IL-2RB expression was restricted to the earliest B220+ cells (CD43+CD24-; prepro B cells; fraction A) that proliferate vigorously to IL-2 in the absence of any stromal cells, but not to IL-15. The high-affinity form of this receptor is expressed on activated T lymphocytes, activated B lymphocytes, and activated macrophages. CD122/IL-2RB plays a role in regulating normal lymphocyte development.

參考資料
  • Foss F. (2006) Clinical experience with denileukin diftitox (ONTAK). Semin Oncol. 33(1 Suppl 3): 11-6.
  • Sprent J, et al. (2001) T cell death and memory. Science. 293(5528): 245-8.
  • Teshigawara K, et al. (1987) Interleukin 2 high-affinity receptor expression requires two distinct binding proteins. J Exp Med. 165 (1): 223-38.
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    • Mouse IL2RB / CD122 Gene cDNA Clone (full-length ORF Clone), expression ready, HA-tagged
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