BTK Protein, Human (Active, Biotinylated, sf9, Avi)
Based on 1 Customer Validation
The BTK protein is a key non-receptor tyrosine kinase that is essential for B lymphocyte development and signaling. After BCR activation, BTK initiates a cascade reaction, phosphorylates PLCG2 and activates downstream pathways, affecting calcium mobilization and PKC activation. BTK, Human (Active, Biotinylated, sf9, Avi) is the recombinant human-derived BTK protein, expressed by sf9 insect cells, with C-6*His labeled tag.
- Species: Human
- Source: sf9 insect cells
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Storage:Stored at -80°C for 1 year from date of receipt. It is stable at -20°C for 3 months after opening. It is recommended to freeze aliquots at -80°C for extended storage. Avoid repeated freeze-thaw cycles.
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Biological Activity
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Technical Parameters
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Product Properties
- Documentation
- Help & FAQs
Biological Activity
The BTK protein is a key non-receptor tyrosine kinase that is essential for B lymphocyte development and signaling. After BCR activation, BTK initiates a cascade reaction, phosphorylates PLCG2 and activates downstream pathways, affecting calcium mobilization and PKC activation. BTK, Human (Active, Biotinylated, sf9, Avi) is the recombinant human-derived BTK protein, expressed by sf9 insect cells, with C-6*His labeled tag.
BTK Protein, a non-receptor tyrosine kinase, is indispensable for B lymphocyte development, differentiation, and signaling. Upon antigen binding to the B-cell antigen receptor (BCR), BTK triggers a signaling cascade leading to B-cell activation, phosphorylating PLCG2 and initiating downstream pathways involving calcium mobilization and protein kinase C (PKC) activation. Serving as a platform for diverse signaling proteins, BTK is implicated in cytokine receptor signaling pathways and is crucial in innate and adaptive immunity, particularly within the Toll-like receptors (TLR) pathway. It plays a critical role in regulating TLR9 activation in splenic B-cells and induces the activity of NF-kappa-B, contributing to the transcriptional regulation of numerous genes. Additionally, BTK activates NLRP3 inflammasome assembly, phosphorylates transcription factor GTF2I, and is involved in apoptosis regulation, highlighting its multifaceted functions in immune response and cellular processes.
The activity was measured by off-chip mobility shift assay(MSA). The enzyme was incubated with fluorecence-labeled substrate and Mg(or Mn)/ATP. The phosphorylated and unphosphorylated substrates were separated and detected by MSA device. When the protein concentration is 1.56 nM, the conversion rate is about 21%.
Technical Parameters
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Species Human
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Source sf9 insect cells
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Tag N-Avi
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Accession
Q06187-1 (A2-S659)
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Gene ID695
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Molecular Construction
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N-term
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Avi
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(A2-S659)
Accession # Q06187-1 -
C-term
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Protein Length
Full Length
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Conjugation
Biotin
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Synonyms
BTK; Tyrosine-Protein Kinase BTK Isoform (Lacking Exon 13 To 17); Prev. AGMX1; Tyrosine-Protein Kinase BTK Isoform (Lacking Exon 14); Prev. IMD1; Tyrosine-Protein Kinase BTK Isoform 52; ATK; Tyrosine-Protein Kinase BTK Isoform 51; PSCTK1; Tyrosine-Protein
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AA Sequence
AAVILESIFLKRSQQKKKTSPLNFKKRLFLLTVHKLSYYEYDFERGRRGSKKGSIDVEKITCVETVVPEKNPPPERQIPRRGEESSEMEQISIIERFPYPFQVVYDEGPLYVFSPTEELRKRWIHQLKNVIRYNSDLVQKYHPCFWIDGQYLCCSQTAKNAMGCQILENRNGSLKPGSSHRKTKKPLPPTPEEDQILKKPLPPEPAAAPVSTSELKKVVALYDYMPMNANDLQLRKGDEYFILEESNLPWWRARDKNGQEGYIPSNYVTEAEDSIEMYEWYSKHMTRSQAEQLLKQEGKEGGFIVRDSSKAGKYTVSVFAKSTGDPQGVIRHYVVCSTPQSQYYLAEKHLFSTIPELINYHQHNSAGLISRLKYPVSQQNKNAPSTAGLGYGSWEIDPKDLTFLKELGTGQFGVVKYGKWRGQYDVAIKMIKEGSMSEDEFIEEAKVMMNLSHEKLVQLYGVCTKQRPIFIITEYMANGCLLNYLREMRHRFQTQQLLEMCKDVCEAMEYLESKQFLHRDLAARNCLVNDQGVVKVSDFGLSRYVLDDEYTSSVGSKFPVRWSPPEVLMYSKFSSKSDIWAFGVLMWEIYSLGKMPYERFTNSETAEHIAQGLRLYRPHLASEKVYTIMYSCWHEKADERPTFKILLSNILDVMDEES
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Molecular Weight
Approximately 79 kDa, based on SDS-PAGE under reducing conditions.
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Purity
≥ 90%, as determined by reducing SDS-PAGE.
Product Properties
Solution
Supplied as a 0.22 μm filtered solution of 50 mM Tris-HCl, pH 7.5, 150 mM NaCl, 10% glycerol, 1 mM DTT.
Note: If this product is used in SPR assay, please note that the protein buffer should not contain primary amino components (such as Tris and Imidazole), and the buffer needs to be replaced.
<1 EU/μg, determined by LAL method.
Please use rapid thawing with running water to thaw the protein.
Stored at -80°C for 1 year from date of receipt. It is stable at -20°C for 3 months after opening. It is recommended to freeze aliquots at -80°C for extended storage. Avoid repeated freeze-thaw cycles.
Shipping with dry ice.
Documentation
Calculators
Concentration (start) × Volume (start) = Concentration (final) × Volume (final)
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