AVANTI POLAR LIPIDS , CYGNUS , LARODAN , ADIPOGEN , MYBIOSOURCE , SERVA NORDMARK, BIOWORLD, EDGEBIO , PANREAC APPLICHEM
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Product description: Btk (Bruton's tyrosine kinase) is a member of the Tec family of protein tyrosine kinases (PTKs) and plays a modulatory role in many cellular processes, such as proliferation, development, differentiation, survival, and apoptosis. The Tec kinases are the second largest family of non-receptor tyrosine kinases and include Tec, Btk, Bmx, Itk, and TXK/Rlk. Mutations of Btk gene cause a primary immunodeficiency disease in humans, X-linked agammaglobulinemia (XLA) which is characterized by a lack of circulating B lymphocytes and an absence of immunoglobulins as a result of defects in B cell maturation and function. Btk is found in all hematopoietic cells, with the exception of T lymphocytes and plasma cells. Btk contains amino-terminal PH (pleckstrin homology) domain which binds phosphatidylinositol (3,4,5)-trisphosphate (PIP3) helping membrane translocation upon PI3 kinase activation. The Tec kinases have similar structure of N-terminal PH domains followed by Tec homology (TH), Src homology 3 (SH3), Src homology 2 (SH2), and kinase domains. Autophosphorylation of Tyr223 in SH3 domain is necessary for full activation of Btk. Various binding proteins have been reported to interact with different domains of Btk. Plays a crucial role in B-cell ontogeny. Transiently phosphorylates GTF2I on tyrosine residues in response to B-cell receptor cross-linking. Required for the formation of functional ARID3A DNA-binding complexes.
Alternate Names/Synonyms: BPK; ATK; BTK; AGMX1; EC=220.127.116.11; Bruton Tyrosine Kinase; B-Cell Progenitor Kinase; Tyrosine-Protein Kinase BTK; Agammaglobulinemia Tyrosine Kinase
Product Type: Monoclonal Antibody
Isotype: Mouse IgG1 kappa
Immunogen: Recombinant human His/ABD-Btk protein purified from E. coli.
Applications: ELISA, IHC, WB
Species Crossreactivity: Human
Formulation: Liquid. HEPES with 0.15M NaCl, 0.01% BSA, 0.03% sodium azide, and 50% glycerol.
Long Term Storage: -20°C
Shipping: BLUE ICE
Use & Stability: Stable for at least 1 year after receipt when stored at -20°C.
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