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Mouse PTPN1 Gene cDNA Clone (full-length ORF Clone), expression ready, C-FLAG-tagged

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PTPN1cDNA Clone Product Information
Gene_bank_ref_id:NM_011201.3
cDNA Size:1299
cDNA Description:ORF Clone of Mus musculus protein tyrosine phosphatase, non-receptor type 1 DNA.
Gene Synonym:PTP1B, PTP-1B, PTP-HA2
Species:Mouse
Vector:pCMV3-C-FLAG
Restriction Site:
Tag Sequence:FLAG Tag Sequence: GATTACAAGGATGACGACGATAAG
Sequence Description:
Shipping_carrier:Each tube contains approximately 10 μg of lyophilized plasmid.
Storage:The lyophilized plasmid can be stored at ambient temperature for three months.
pCMV3-C-FLAG Vector Information
 
Vector Name pCMV3-C-FLAG
Vector Size 6158bp
Vector Type Mammalian Expression Vector
Expression Method Constiutive, Stable / Transient
Promoter CMV
Antibiotic Resistance Kanamycin
Selection In Mammalian Cells Hygromycin
Protein Tag FLAG
Sequencing Primer Forward:T7(TAATACGACTCACTATAGGG)
Reverse:BGH(TAGAAGGCACAGTCGAGG)

pCMV3-C-FLAG Physical Map
Schematic of pCMV3-C-FLAG Multiple Cloning Sites

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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Background

PTP1B, also known as PTPN1, belongs to the protein-tyrosine phosphatase (PTP) family. PTPs catalyze the hydrolysis of the phosphate monoesters specifically on tyrosine residues. Members of the PTP family share a highly conserved catalytic motif, which is essential for the catalytic activity. PTPs are known to be signaling molecules that regulate a variety of cellular processes including cell growth, differentiation, mitotic cycle, and oncogenic transformation. PTP1B contains 1 tyrosine-protein phosphatase domain and is expressed in many tissues. PTP1B is localized to the cytoplasmic face of the endoplasmic reticulum. PTP1B was also reported to dephosphorylate epidermal growth factor receptor kinase, as well as JAK2 and TYK2 kinases, which implicated the role of PTP1B in cell growth control, and cell response to IFN stimulation.

References
  • Frangioni JV, et al. (1992) The nontransmembrane tyrosine phosphatase PTP-1B localizes to the endoplasmic reticulum via its 35 amino acid C-terminal sequence. Cell. 68(3):545-60.
  • Zhu S, et al. (2007) PTP1B contributes to the oncogenic properties of colon cancer cells through Src activation. Cancer Res. 67(21):10129-37.
  • Aoki N, et al. (2000) A cytosolic protein-tyrosine phosphatase PTP1B specifically dephosphorylates and deactivates prolactin-activated STAT5a and STAT5b. J Biol Chem. 275(50):39718-26.
  • Stuible M, et al. (2008) PTP1B regulates cortactin tyrosine phosphorylation by targeting Tyr446. J Biol Chem. 283(23):15740-6.
  • Size / Price
    Catalog:MG51869-CF
    List Price: $295.00  (Save $0.00)
    Price:$295.00      [How to order]
    Availability2-3 weeks
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