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人 PFDN4 / PFD4 基因全長cDNA ORF克隆 (表達載體), C-Myc 標籤

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Human PFDN4 cDNA Clone產品資訊
註冊碼:BC010953
cDNA基因長度:405bp
cDNA基因描述:Full length Clone DNA of Homo sapiens prefoldin subunit 4 with C terminal Myc tag.
基因別名:C1, PFD4, PFDN4
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

PFDN4 is a member of the prefoldin beta subunit family. It is one of six subunits of prefoldin, a molecular chaperone complex that binds and stabilizes newly synthesized polypeptides, thereby allowing them to fold correctly. The complex, consisting of two alpha and four beta subunits, forms a double beta barrel assembly with six protruding coiled-coils. PFDN4 binds specifically to cytosolic chaperonin (c-CPN) and transfers target proteins to it. PFDN4 also binds to nascent polypeptide chain and promotes folding in an environment in which there are many competing pathways for nonnative proteins.

參考資料
  • Iijima M, et al. (1996) Cloning of cDNA with possible transcription factor activity at the G1-S phase transition in human fibroblast cell lines. Acta Med Okayama. 50(2):73-7.
  • Hartl FU, et al. (2002) Molecular chaperones in the cytosol: from nascent chain to folded protein. Science. 295(5561):1852-8.
  • Vainberg I, et al. (1998) Prefoldin, a chaperone that delivers unfolded proteins to cytosolic chaperonin. Cell. 93(5):863-73.
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    貨號: HG14144-CM
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    庫存2-3 weeks
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