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Human Bruton Tyrosine Kinase / BTK Kinase Gene cDNA clone plasmid

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Human BTK cDNA Clone Product Information
NCBI RefSeq:NM_000061.2
RefSeq ORF Size:1980bp
cDNA Description:Full length Clone DNA of Homo sapiens Bruton agammaglobulinemia tyrosine kinase.
Gene Synonym:AT, ATK, BPK, XLA, IMD1, AGMX1, PSCTK1, MGC126261, MGC126262
Vector:pMD18-T Simple Vector
Restriction Site:
Tag Sequence:
Sequence Description:Identical with the Gene Bank Ref. ID sequence except for the point mutation 1899C/T not causing the amino acid variation.
Sequencing primers:M13-47 and RV-M
Antibiotic in E.coli:
Antibiotic in mammalian cell:
Shipping_carrier:Each tube contains lyophilized plasmid.
Storage:The lyophilized plasmid can be stored at room temperature for three months.
pMD18-T Simple Vector Information

pMD18-T Simple Vector is a high-efficiency TA cloning vector constructed from pUC18, of which the initial multiple cloning sites (MCS) were destroyed. Thus the cDNA should be amplified by PCR with primers containing a restriction site for subclone. Competent cells appropriate for pUC18 are also appropriated for the Vector, e.g. JM109, DH5α, TOP10. The pMD18-T Simple Vector is 2.6kb in size. Selection of the plasmid in E. coli is conferred by the ampicillin resistance gene. The coding sequence was inserted by TA cloning at site 425.

pMD18-T Simple Usage Suggestion

The coding sequence can be amplified by PCR with M13-47 and RV-M primers.

Vector Sequence Download
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Bruton's tyrosine kinase (or BTK) is a type of kinase protein expressed in B lymphocytes and T cells. BTK contains a PH domain which binds phosphatidylinositol(3,4,5)-trisphosphate (PIP3). After binding to PIP3, BTK is induced to phosphorylate phospholipase C, which in turn hydrolyzes PIP2 into two second messagers, IP3 and DAG, which then modulate the activity of downstream proteins during B-cell signaling. Btk is also found implicated in the primary immunodeficiency disease X-linked agammaglobulinemia(Bruton's agammaglobulinemia). BTK played a key role in B-cell maturation as well as mast cell activation through the high-affinity IgE receptor. Patients with X-linked agammaglobulinemia have normal pre-B cell populations in their bone marrow but these B-cells can not mature and enter the circulation.

  • Hashimoto S, et al. (1996) Identification of Bruton's tyrosine kinase (Btk) gene mutations and characterization of the derived proteins in 35 X-linked agammaglobulinemia families: a nationwide study of Btk deficiency in Japan. Blood. 88(2): 561-73.
  • Ohta Y, et al. (1994) Genomic organization and structure of Bruton agammaglobulinemia tyrosine kinase: localization of mutations associated with varied clinical presentations and course in X chromosome-linked agammaglobulinemia. PNAS. 91(19): 9062-6.
  • Smith C, et al. (1994) Expression of Bruton's agammaglobulinemia tyrosine kinase gene, BTK, is selectively down-regulated in T lymphocytes and plasma cells. The Journal of Immunology. 152(2): 557-65.
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    Catalog: HG10578-M
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