2. Protein Tyrosine Kinase/RTK
  3. Btk
  4. PF-303

PF-303 一种强效的，可口服的 Bruton's tyrosine kinase (BTK) 抑制剂 (IC50=0.64 nM)。PF-303 的氰胺部分与 BTK 的 Cys481 形成共价键，这种共价键是可逆的，与不可逆共价 BTK 抑制剂相比，PF-303 展现了较高的选择性。PF-303 可以用来模拟和研究 BTK 抑制对成熟免疫系统的影响，包括对 B 细胞亚群，抗体反应和 T 细胞介导的激活等的影响。

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PF-303 Chemical Structure

PF-303 Chemical Structure

CAS No. : 1609465-78-2

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PF-303 相关抗体

Top Publications Citing Use of Products

  • 生物活性

  • 纯度 & 产品资料

  • 参考文献

生物活性

PF-303 is a potent, oral inhibitor of Bruton's tyrosine kinase (BTK) (IC50=0.64 nM). The melamine portion of PF-303 forms a covalent bond with BTK's Cys481, which is reversible and exhibits a high selectivity compared to irreversible covalent BTK inhibitors. PF-303 can be used to model and study the effects of BTK inhibition on the mature immune system, including effects on B-cell subsets, antibody responses, and T-cell-mediated activation[1][2].

细胞效力
(Cellular Effect)
Cell Line Type Value Description References
Sf9 IC50
48 nM
Compound: 10
Inhibition of full-length human C-terminal His6-tagged BTK C481S mutant expressed in Sf9 insect cells using FAM-Srctide peptide as substrate preincubated for 1 hr followed by substrate addition and measured after 1 hr by TR-FRET Lanthascreen assay
Inhibition of full-length human C-terminal His6-tagged BTK C481S mutant expressed in Sf9 insect cells using FAM-Srctide peptide as substrate preincubated for 1 hr followed by substrate addition and measured after 1 hr by TR-FRET Lanthascreen assay
[PMID: 30655951]
分子量

436.89

Formula

C22H21ClN6O2
CAS 号
运输条件

Room temperature in continental US; may vary elsewhere.
储存方式

Please store the product under the recommended conditions in the Certificate of Analysis.
纯度 & 产品资料
参考文献

PF-303 相关分类

  • 摩尔计算器

  • 稀释计算器

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Help & FAQs
  • Do most proteins show cross-species activity?

    Species cross-reactivity must be investigated individually for each product. Many human cytokines will produce a nice response in mouse cell lines, and many mouse proteins will show activity on human cells. Other proteins may have a lower specific activity when used in the opposite species.

Keywords:

PF-3031609465-78-2PF303PF 303BtkBruton tyrosine kinaseOral activityreversible inhibitorsimmune systemantibody responseT cellsB cellsInhibitorinhibitorinhibit

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