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人 TREML2/TLT-2 基因ORF全长cDNA克隆(表达载体), C-Flag 标签

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Human TREML2 cDNA Clone产品信息
NCBI注册码:NM_024807.2
参考序列ORF长度:966bp
cDNA基因描述:Full length Clone DNA of Homo sapiens triggering receptor expressed on myeloid cells-like 2 with C terminal Flag tag.
分子别称:TLT2, C6orf76, FLJ13693, MGC149715, MGC149716, dJ238O23.1, TREML2
分子种属:Human
载体:pCMV3-C-FLAG
质粒:
限制性酶切位点:
Tag序列:FLAG Tag Sequence: GATTACAAGGATGACGACGATAAG
序列信息:
测序引物:T7(TAATACGACTCACTATAGGG) BGH(TAGAAGGCACAGTCGAGG)
启动子:Enhanced CMV mammalian cell promoter
Application:Stable or Transient mammalian expression
抗生素(大肠杆菌):Kanamycin
抗生素(哺乳动物细胞):Hygromycin
运输方式:Each tube contains lyophilized plasmid.
储存方法:The lyophilized plasmid can be stored at room temperature for three months.
FLAG Tag Info

FLAG-tag, or FLAG octapeptide, is a polypeptide protein tag that can be added to a protein using recombinant DNA technology. It can be used for affinity chromatography, then used to separate recombinant, overexpressed protein from wild-type protein expressed by the host organism. It can also be used in the isolation of protein complexes with multiple subunits.

A FLAG-tag can be used in many different assays that require recognition by an antibody. If there is no antibody against the studied protein, adding a FLAG-tag to this protein allows one to follow the protein with an antibody against the FLAG sequence. Examples are cellular localization studies by immunofluorescence or detection by SDS PAGE protein electrophoresis.

The peptide sequence of the FLAG-tag from the N-terminus to the C-terminus is: DYKDDDDK (1012 Da). It can be used in conjunction with other affinity tags, for example a polyhistidine tag (His-tag), HA-tag or Myc-tag. It can be fused to the C-terminus or the N-terminus of a protein. Some commercially available antibodies (e.g., M1/4E11) recognize the epitope only when it is present at the N-terminus. However, other available antibodies (e.g., M2) are position-insensitive.

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研究背景

Trem-like transcript 2 protein, also known as Triggering receptor expressed on myeloid cells-like protein 2, TREML2 and TLT2, is a single-pass type I  membrane protein which contains one Ig-like V-type (immunoglobulin-like) domain. TREML2 is detected in cultured B cells, T cell leukemia and monocyte leukemia. TREML2 is expressed constitutively on CD8 T-cells and induced on CD4 T-cells after activation. TREML2 is a cell surface receptor that may play a role in the innate and adaptive immune response. TREML2 acts as a counter-receptor for CD276 and interaction with CD276 on T-cells enhances T-cell activation. Murine B7-H3 specifically bound to Triggering receptor expressed on myeloid cells (TREM)-like transcript 2 (TLT-2, TREML2). TREML2 was expressed on CD8(+) T cells constitutively and on activated CD4(+) T cells. Stimulation with B7-H3 transfectants preferentially up-regulated the proliferation and IFN-gamma production of CD8(+) T cells. Transduction of TREML2 into T cells resulted in enhanced IL-2 and IFN-gamma production via interactions with B7-H3. There maybe a direct interaction between B7-H3 and TREML2 that preferentially enhances CD8(+) T cell activation.

参考资料
  • Mungall A.J. et al., 2003, Nature. 425: 805-11.
  • Clark HF. et al., 2003, Genome Res. 13: 2265-70.
  • The MGC Project Team. et al., 2004, Genome Res. 14:2121-7.
  • Hashiguchi M., et al., 2008, Proc. Natl.Acad. Sci. USA.105:10495-500.
  • Leitner,J. et al., 2009, Eur J Immunol. 39 (7):1754-64.
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    货号: HG11655-CF
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