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  • Human BLK Kinase (GST Tag) recombinant protein

Human BLK Kinase (GST Tag) recombinant protein

Cat.#: 502251

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Product Information

  • Product Name
    Human BLK Kinase (GST Tag) recombinant protein
  • Documents
  • Description
    Non-receptor tyrosine kinase involved in B-lymphocyte development, differentiation and signaling. B-cell receptor (BCR) signaling requires a tight regulation of several protein tyrosine kinases and phosphatases, and associated coreceptors. Binding of antigen to the B-cell antigen receptor (BCR) triggers signaling that ultimately leads to B-cell activation. Signaling through BLK plays an important role in transmitting signals through surface immunoglobulins and supports the pro-B to pre-B transition, as well as the signaling for growth arrest and apoptosis downstream of B-cell receptor. Specifically binds and phosphorylates CD79A at 'Tyr-188'and 'Tyr-199', as well as CD79B at 'Tyr-196' and 'Tyr-207'. Phosphorylates also the immunoglobulin G receptors FCGR2A, FCGR2B and FCGR2C. With FYN and LYN, plays an essential role in pre-B-cell receptor (pre-BCR)-mediated NF-kappa-B activation. Contributes also to BTK activation by indirectly stimulating BTK intramolecular autophosphorylation. In pancreatic islets, acts as a modulator of beta-cells function through the up-regulation of PDX1 and NKX6-1 and consequent stimulation of insulin secretion in response to glucose.
  • Protein name
    Tyrosine-protein kinase Blk
  • Protein short names
    BLK; MGC10442; MODY11; P55-BLK
  • Uniprot ID
    Q05D26
  • Gene Name
    BLK
  • Source/Expression Host
    Baculovirus-Insect Cells
  • Expression Plasmid/cDNA
    A DNA sequence encoding the human BLK (NP_001706.2) (Met 1-Pro 505) was fused with the GST tag at the N-terminus.
  • Protein Species
    Human
  • Molecular weight
    The recombinant human BLK/GST chimera consists of 730 amino acids and migrates as an approximatly 84 kDa band as predicted in SDS-PAGE under reducing conditions.
  • Purity
    > 88 % as determined by SDS-PAGE
  • Activity
    The specific activity was determined to be 17.4 nmol/min/mg using Poly(Glu,Tyr)4:1 peptide as substrate.
  • Validations

    Human BLK / B Lymphocyte Kinase Protein (GST Tag) SDS-PAGE

    Human BLK / B Lymphocyte Kinase Protein (GST Tag) SDS-PAGE

  • Antibodies
  • cDNA Clones

Please note: All products are "FOR RESEARCH USE ONLY AND ARE NOT INTENDED FOR DIAGNOSTIC OR THERAPEUTIC USE"