2. Signaling Pathways
  3. Protein Tyrosine Kinase/RTK
  4. Btk

Btk

Bruton tyrosine kinase

Btk

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Bruton tyrosine kinase (Btk) is a member of the Tec family kinases with a well-characterized role in B-cell antigen receptor (BCR)-signaling and B-cell activation.

Btk plays a crucial role in B cell development and activation through the BCR signaling pathway and represents a new target for diseases characterized by inappropriate B cell activity. Btk is a kinase expressed exclusively in B cells and myeloid cells and has a well characterized, vital role in B cells highlighted by the human primary immune deficiency disease, X-linked agammaglobulinemia (XLA), which results from mutation in the Btk gene. Btk plays an essential role in the BCR signaling pathway. Antigen binding to the BCR results in B cell receptor oligomerization, Syk and Lyn kinase activation, followed by Btk kinase activation. Once activated, Btk forms a signaling complex with proteins such as BLNK, Lyn, and Syk and phosphorylates phospholipase C (PLC)γ2. This leads to downstream release of intracellular Ca2+ stores and propagation of the BCR signaling pathway through extracellular signal-regulated kinase and NF-κB signaling, ultimately resulting in transcriptional changes to foster B cell survival, proliferation, and/or differentiation.

Cat. No. Product Name Effect Purity Chemical Structure
  • HY-137438
    Edralbrutinib
    		Inhibitor 99.75%
    Edralbrutinib (TG-1701) is a potent BTK inhibitor.
    Edralbrutinib
  • HY-153245
    JNJ-64264681
    		Inhibitor 98.14%
    JNJ-64264681 is a potent, orally active, selective and irreversible covalent BTK inhibitor. JNJ-64264681 exhibits good pharmacokinetic characteristics and can be used for cancer and autoimmune diseases research.
    JNJ-64264681
  • HY-133137A
    SJF620 hydrochloride
    		Inhibitor 99.28%
    SJF620 hydrochloride is a PROTAC connected by ligands for Cereblon and Btk with a DC50 of 7.9 nM. SJF620 contains a Lenalidomide analog for recruiting CRBN.
    SJF620 hydrochloride
  • HY-132842A
    (S)-Sunvozertinib
    		Inhibitor 99.14%
    (S)-Sunvozertinib ((S)-DZD9008), the S-enantiomer of Sunvozertinib, shows inhibitory activity against EGFR exon 20 NPH and ASV insertions, EGFR L858R/T790M mutation and Her2 exon20 YVMA insertion (IC50=51.2 nM, 51.9 nM, 1 nM, and 21.2 nM, respectively). (S)-Sunvozertinib also inhibits BTK.
    (S)-Sunvozertinib
  • HY-149051
    BGB-8035
    		Inhibitor 99.00%
    BGB-8035 is an orally active, highly selective bruton's tyrosine kinase (BTK) inhibitor with IC50s of 1.1 nM, 99 nM, 621 nM for BTK, TEC, EGFR, respectively. BGB-8035 has antitumor and anti-arthritis activity. BGB-8035 has the potential for B-cell malignancies and autoimmune diseases research.
    BGB-8035
  • HY-153110
    Larotinib
    		Inhibitor 99.50%
    Larotinib is a potent broad-spectrum and orally active tyrosine kinase inhibitor (TKI) with EGFR as the main target with an IC50 of 0.6 nM.
    Larotinib
  • HY-110013
    Terreic acid
    		Inhibitor
    Terreic acid, a quinone epoxide antibiotic, acts as an effective Btk inhibitor. Terreic acid blocks the interaction between PKC and the pleckstrin homology domain of Btk. Terreic acid inhibits the binding of GST-BtkPH to PKC in lysates of HMC-1 human mast cells with an IC50 of approximately 100 μM.
    Terreic acid
  • HY-160246
    QL47B
    		Inhibitor
    QL47B, a biotinylated analogue of QL47 (HY-80003), is a potent inhibitor of BTK, with an IC50 value of 1.3 μM. QL47B has anti-tumor activity.
    QL47B
  • HY-131328A
    (R)-Pirtobrutinib
    		99.78%
    (R)-Pirtobrutinib ((R)-LOXO-305) is a less active enantiomer of Pirtobrutinib. Pirtobrutinib (LOXO-305), a highly selective and non-covalent next generation BTK inhibitor, inhibits diverse BTK C481 substitution mutations.
    (R)-Pirtobrutinib
  • HY-101522
    CHMFL-EGFR-202
    		Inhibitor 99.75%
    CHMFL-EGFR-202 is a potent, irreversible inhibitor of epidermal growth factor receptor (EGFR) mutant kinase, with IC50s of 5.3 nM and 8.3 nM for drug-resistant mutant EGFR T790M and WT EGFR kinases, respectively. CHMFL-EGFR-202 exhibits ～10-fold selectivity for EGFR L858R/T790M against the EGFR wild-type in cells. CHMFL-EGFR-202 adopts a covalent “DFG-in-C-helix-out” inactive binding conformation with EGFR, with strong antiproliferative effects against EGFR mutant-driven nonsmall-cell lung cancer (NSCLC) cell lines.
    CHMFL-EGFR-202
  • HY-110002
    LFM-A13
    		Inhibitor 99.65%
    LFM-A13 is a potent BTK, JAK2, PLK inhibitor, inhibits recombinant BTK, Plx1 and PLK3 with IC50s of 2.5 μM, 10 μM and 61 μM. LFM-A13 has antiproliferative activity and anticancer activity. LFM-A13 can be used in cancer-related research
    LFM-A13
  • HY-109143B
    (R)-Elsubrutinib
    		Inhibitor ≥98.0%
    (R)-Elsubrutinib ((R)-ABBV-105) is a Btk inhibitor. (R)-Elsubrutinib can be used in studies of immune diseases (such as rheumatoid arthritis, psoriasis, ankylosing spondylitis, asthma, systemic lupus erythematosus) and cancer.
    (R)-Elsubrutinib
  • HY-13036
    (Rac)-IBT6A
    		Inhibitor 98.18%
    (Rac)-IBT6A is a racemate of IBT6A. IBT6A is an impurity of Ibrutinib. IBT6A can be used in synthesis of IBT6A Ibrutinib dimer and IBT6A adduct. Ibrutinib is a selective, irreversible Btk inhibitor with an IC50 of 0.5 nM.
    (Rac)-IBT6A
  • HY-160246A
    QL47B TFA
    		Inhibitor
    QL47B TFA, a biotinylated analogue of QL47 (HY-80003), is a potent inhibitor of BTK, with an IC50 value of 1.3 μM. QL47B TFA has anti-tumor activity.
    QL47B TFA
  • HY-13036B
    IBT6A hydrochloride
    		Inhibitor 99.72%
    IBT6A hydrochloride is an impurity of Ibrutinib. IBT6A can be used in synthesis of IBT6A Ibrutinib dimer and IBT6A adduct. Ibrutinib is a selective, irreversible Btk inhibitor with an IC50 of 0.5 nM.
    IBT6A hydrochloride
  • HY-160245
    QL47R
    		99.94%
    QL47R is an approximately isosteric analogue of QL47 (HY-80003). QL47R dose not inhibit the biochemical kinase activity of BTK at concentrations below 10 μM. QL47R dose not display antiproliferative activity on B-Cell Lymphoma Cell Lines at concentrations of less than 10 μM.
    QL47R
  • HY-101474AR
    Zanubrutinib (Standard)
    		Inhibitor
    Zanubrutinib (Standard) is the analytical standard of Zanubrutinib. This product is intended for research and analytical applications. Zanubrutinib (BGB-3111) is a selective and orally active Bruton tyrosine kinase (Btk) inhibitor (IC50: 0.3 nM).
    Zanubrutinib (Standard)
  • HY-156746
    DBt-10
    		Degrader
    DBt-10 is a potent BTK PROTAC degrader (DC50: 137 nM). Blue: DCAF1 binder (HY-149934); Black: linker; Pink: BTK ligand.
    DBt-10
  • HY-151808
    JS25
    		Inhibitor 98.37%
    JS25 is a selective and covalent inhibitor of BTK that inactivates BTK with an IC50 value of 5.8 nM by chelating Tyr551. JS25 inhibits cancer cells proliferation, pronounces cell death, and promotes murine xenograft model of Burkitt’s lymphoma. JS25 effectively crosses the blood-brain barrier.
    JS25
  • HY-132196
    BTK inhibitor 18
    		Inhibitor
    BTK inhibitor 18 is a potent, selective,orally active and covalent Btk inhibitor with a IC50 of 142 nM. BTK inhibitor 18 has anti-inflammatory activities.
    BTK inhibitor 18
Cat. No. Product Name / Synonyms Species Source
Cat. No. Product Name / Synonyms Application Reactivity