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人 LSM1 基因全長cDNA ORF克隆 (表達載體), C-Myc 標籤

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Human LSM1 cDNA Clone產品資訊
註冊碼:BC001767
cDNA基因長度:402bp
cDNA基因描述:Full length Clone DNA of Homo sapiens LSM1 homolog, U6 small nuclear RNA associated (S. cerevisiae) with C terminal Myc tag.
基因別名:CASM, YJL124C, LSM1
分子種屬:Human
載體:pCMV3-C-Myc
Plasmid:
限制性酶切位點:
Tag序列:Myc Tag Sequence: GAGCAGAAACTCATCTCAGAAGAGGATCTG
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.
Myc Tag Info

A myc tag is a polypeptide protein tag derived from the c-myc gene product 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 myc 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 myc-tag allows one to follow the protein with an antibody against the Myc epitope. Examples are cellular localization studies by immunofluorescence or detection by Western blotting.

The peptide sequence of the myc-tag is: N-EQKLISEEDL-C (1202 Da). It can be fused to the C-terminus and the N-terminus of a protein. It is advisable not to fuse the tag directly behind the signal peptide of a secretory protein, since it can interfere with translocation into the secretory pathway.

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研究背景

LSM1 is a Sm-like protein. Sm-like proteins can be detected in a variety of organisms based on sequence homology with the Sm protein family. Sm-like proteins include the Sm sequence motif, which consists of two regions separated by a linker of variable length that folds as a loop. The Sm-like proteins are thought to form a stable heteromer present in tri-snRNP particles, which are important for pre-mRNA splicing. LSM1 has a role in replication-dependent histone mRNA degradation and binds specifically to the 3''-terminal U-tract of U6 snRNA. LSM1 also facilitates RNA protein interactions and structural modifications which are required during ribosomal subunit assembly.

參考資料
  • Shimizu Y, et al. (1997) Lineage- and differentiation stage-specific expression of LSM-1 (LPAP), a possible substrate for CD45, in human hematopoietic cells. Am J Hematol. 54(1):1=11.
  • Graber MW, et al. (1997) CaSm: an Sm-like protein that contributes to the transformed state in cancer cells. Cancer Res. 57(14):2961-5.
  • Séraphin B, et al. (1999) Sm and Sm-like proteins assemble in two related complexes of deep evolutionary origin. EMBO J. 18(12):3451-62.
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    貨號: HG14142-CM
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