5-Ethynyl-2'-deoxyuridine 是一种属于 ALKyl chain 类的 PROTAC linker，可用于 PROTAC 的合成分子。它是一种胸腺嘧啶核苷类似物，在细胞增殖时能够插入正在复制的 DNA 分子中， EdU 与染料的共轭反应可以进行高效快速的细胞增殖检测分析。

5-Ethynyl-2'-deoxyuridine (EdU) is a nucleoside analog of thymidine that is used to monitor de novo DNA synthesis through click chemistry.It is an alkyl chain-based PROTAC linker that can be used in the synthesis of PROTACs.

PROTACs contain two different ligands connected by a linker; one is a ligand for an E3 ubiquitin ligase and the other is for the target protein. PROTACs exploit the intracellular ubiquitin-proteasome system to selectively degrade target proteins[1].Like 5-bromo-2’-deoxyuridine (BrdU), EdU is incorporated into DNA during active DNA synthesis. It can then be detected using a fluorescent azide probe and copper catalysis using 1,3-dipolar cycloaddition.Modified nucleosides, including EdU, can be cytotoxic when added to cells for prolonged periods[2].5-Ethynyl-2'-deoxyuridine (EdU) staining is a fast, sensitive and reproducible method to study cell proliferation in the central nervous system[3]

61135-33-9

C11H12N2O5

252.22

H2O:25 mg/mL (95.15 mM),Need ultrasonic
DMSO:120 mg/mL (475.77 mM),Need ultrasonic
Powder: -20°C for 3 years
In solvent: -80°C for 2 years