Aminooxy-PEG4-alcohol 是一种不可降解 (non-cleavable) 的含 4 个单元 PEG 的 ADC linker，可用于合成抗体偶联药物 (ADC)。Aminooxy-PEG4-alcohol 也是一种 PROTAC linker，属于 PEG 类，可用于合成 PROTAC 分子。
Aminooxy-PEG4-alcohol is a non-cleavable 4 unit PEG ADC linker used in the synthesis of antibody-drug conjugates (ADCs)[1]. Aminooxy-PEG4-alcohol is also a PEG-based PROTAC linker that can be used in the synthesis of PROTACs[2].
ADCs are comprised of an antibody to which is attached an ADC cytotoxin through an ADC linker[1].
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[2].
[1]. Heather D. Maynard, et al. Method of creating hydrogels through oxime bond formation. US20150202305A1.
[2]. Murray BS, et al. Reactive thermoresponsive copolymer scaffolds. Chem Commun (Camb). 2010 Dec 7;46(45):8651-3.
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