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人々 PFDN4 / PFD4 Gene ORF cDNA clone expression plasmid, C-Myc タグ

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Human PFDN4 cDNA クローン製品情報
Gene_bank_ref_id:BC010953
cDNA サイズ:405bp
cDNA の説明:Full length Clone DNA of Homo sapiens prefoldin subunit 4 with C terminal Myc tag.
遺伝子の別名:C1, PFD4, PFDN4
:Human
ベクター:pCMV3-C-Myc
Plasmid:
制限サイト:
タグ シーケンス:Myc Tag Sequence: GAGCAGAAACTCATCTCAGAAGAGGATCTG
シーケンスの説明:
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
Shipping_carrier:Each tube contains lyophilized plasmid.
保存: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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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.

参考文献
  • 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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    カタログ: HG14144-CM
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