Molecular weight (DA)
148kD
Immunogen
Synthesized peptide derived from human protein . at AA range: 410-490
Specificity
IBTK Polyclonal Antibody detects endogenous levels of protein.
Formulation
Liquid in PBS containing 50% glycerol, and 0.02% sodium azide.
Dilution rate
WB 1:500-2000 ELISA 1:5000-20000
Purification process (Immunogen)
The antibody was affinity-purified from rabbit antiserum by affinity-chromatography using epitope-specific immunogen.
Background
Bruton tyrosine kinase (BTK) is a protein tyrosine kinase that is expressed in B cells, macrophages, and neutrophils. The protein encoded by this gene binds to BTK and downregulates BTK's kinase activity. In addition, the encoded protein disrupts BTK-mediated calcium mobilization and negatively regulates the activation of nuclear factor-kappa-B-driven transcription. This gene has a pseudogene on chromosome 18. Alternative splicing results in multiple transcript variants encoding distinct isoforms. [provided by RefSeq, Jul 2014],
Function
function:Acts as an inhibitor of BTK tyrosine kinase activity, thereby playing a role in B-cell development. Down-regulates BTK kinase activity, leading to interference with BTK-mediated calcium mobilization and NF-kappa-B-driven transcription.,similarity:Contains 2 BTB (POZ) domains.,similarity:Contains 3 ANK repeats.,similarity:Contains 3 RCC1 repeats.,subcellular location:Translocates to the plasma membrane upon IgM stimulation.,subunit:Interacts with the PH domain of BTK.,tissue specificity:Highly expressed in hemopoietic tissues (fetal liver, spleen, lymph node, thymus, peripheral blood leukocytes and bone marrow). Weakly or not expressed in other tissues.,
Gene Name
IBTK BTKI KIAA1417
Protein name
Inhibitor of Bruton tyrosine kinase (IBtk)
Human protein sequence Database
Q9P2D0
Mouse protein sequence database
Q6ZPR6
Rat protein sequence database
Cellular localization
Cytoplasm. Membrane; Peripheral membrane protein. Translocates to the plasma membrane upon IgM stimulation.; [Isoform 2]: Nucleus.
Tissue expression
Expressed in DeFew, HEK293T, HeLa and in Jurkat, MC3 and NB4 lymphoid cells (at protein level). Isoform 1 is the predominant isoform expressed in all examined tissues and cell lines. Highly expressed in hemopoietic tissues (fetal liver, spleen, lymph node, thymus, peripheral blood leukocytes and bone marrow). Weakly or not expressed in other tissues.
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