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首页-小分子抑制剂&激动剂-Immunology/Inflammation-Toll-like Receptor (TLR)-ENDO3
ENDO3

Chemical Structure : ENDO3

CAS No.: 2919814-58-5

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ENDO3 (ENDOtollin3)

货号: PC-26477Not For Human Use, Lab Use Only.

ENDO3 is a specific small-molecule inhibitor of syntaxin 7 (STX7)-Munc13-4 interaction, selectively blocks endosomal TLRs (eTLRs) endosomal signaling, inhibits CD40 mobilization in Cal1 cells stimulated with CpG with IC50 of 0.12 uM, directly binds to recombinant STX7 with SPR KD of 3.13 uM.

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纯度 & COA & 质检文件 纯度: >98% (HPLC) Select Batch:

生物&药学活性

ENDO3 is a specific small-molecule inhibitor of syntaxin 7 (STX7)-Munc13-4 interaction, selectively blocks endosomal TLRs (eTLRs) endosomal signaling, inhibits CD40 mobilization in Cal1 cells stimulated with CpG with IC50 of 0.12 uM, directly binds to recombinant STX7 with SPR KD of 3.13 uM.
ENDO3 specifically inhibits activation through CpG but does not inhibit exocytosis through plasma membrane ligands.
ENDO3 inhibits STX7–MUNC-13-4 binding but is negative in TR-FRET counterscreens using MUNC13-4 and Rab11 or Rab27a.
ENDO3 does not affect the binding of STX7 to the SNARE protein VAMP8.
ENDO3 significantly decreases the upregulation of CD40 in response to CpG in pDCs.
ENDO3 decreases the detection of phosphorylated IRF7 in Cal1 cells in a time-dependent manner, inhibits CpG–TLR9 downstream signaling.
ENDO3 inhibits ERK phosphorylation in wild-type neutrophils stimulated with CpG.
ENDO3 blocks TLR9-driven activation but spare exocytosis.
ENDO3 blocks endolysosomal flux and in vivo CpG-driven IL-6, significantly prevents the increase in IL-6 plasma levels induced by CpG in mice.

物理化学性质&存储条件

分子量 349.23
分子式 C15H17BrN4O
外观性状 Solid
CAS No.
储存条件
固体粉末
-20°C 12 个月; 4°C 6 个月
配置液
-80°C 6 个月; -20°C 6 个月
Shipping
Solubility

10 mM in DMSO
Chemical Name/SMILES

(E)-2-((5-bromopyridin-2-yl)diazenyl)-5-(diethylamino)phenol

参考文献

1. Jennifer L Johnson, et al. Nat Chem Biol. 2026 Apr 6. doi: 10.1038/s41589-026-02181-6.

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