labeling

Ac4ManNAz 是含叠氮基的代谢糖蛋白标记试剂，可以选择性修饰蛋白质并且可用于细胞标记、跟踪和蛋白质组学分析。

Biotin-PEG11-amine is a PEG-based linker with biotin labeling which finds application in the synthesis of PROTACs[1].

Fluorescein-DBCO 是一种不可切割的抗体-药物偶联（ADC）连接子及点击化学试剂，包含具有张力的 DBCO 基团，可与含叠氮基团的分子发生无铜应力促进炔–叠氮环加成反应，从而实现高效的生物正交偶联，广泛用于 ADC 合成、荧光标记及靶向生物分子偶联。

L-Homopropargylglycine is an alkyl chain-based PROTAC linker utilized in the synthesis of PROTACs[1].

Mal-amido-PEG2-NHS ester is a noncleavable linker for antibody-drug conjugates (ADCs) that consists of a maleimide group and an NHS ester. The NHS ester allows for the labeling of protein primary amines (-NH2), amine-modified oligonucleotides, and other amine-containing molecules[1][2].

ATP-polyamine-biotin is a cell-permeable, efficient kinase cosubstrate with conversions and kinetics similar to those of other known ATP analogues. APB shows a cytotoxicity EC50 value of 19 ± 1 mM. ATP-polyamine-biotin is shown to promote biotin labeling

Mal-amido-PEG10-C2-NHS ester is a noncleavable antibody-drug conjugate (ADC) linker that consists of a maleimide group and an N-hydroxysuccinimide (NHS) ester. The NHS ester enables efficient labeling of primary amines (-NH2) in proteins, amine-modified oligonucleotides, and other amine-containing molecules[1][2].

Mal-amido-PEG10-C2-NHS ester is a noncleavable ADC linker, comprising a maleimide group and an NHS ester, which serves as a labeling agent for primary amines (-NH2) found in proteins, amine-modified oligonucleotides, and other amine-containing molecules[1][2].

N-(Amino-PEG4)-N-Biotin-PEG4-acid is a PEG-based PROTAC linker that incorporates biotin for labeling purposes. This compound serves as a versatile tool in the synthesis of PROTACs[1].

Ahx-DM1 (compound 2A) 是一种与治疗、诊断或标记剂结合的蛋白质/肽偶联物。

Ahx-DM1 (TFA) (compound 2A) 是一种用于与治疗、诊断或标记剂结合的蛋白质/肽偶联物。

Methyl-PEG12-NHS Ester是一种含有 NHS 酯的聚乙二醇（PEG）衍生物，常作为PROTAC Linker，可用于标记胺基修饰的寡核苷酸、蛋白质的一级胺（-NH2）以及其他含胺分子。

VHL-SNAP2-5C 是一种利用自标记蛋白 SNAP 标签的 SNAP 融合蛋白PROTAC降解剂。通过内源性标记的 VHL-SNAP2-5C，可以实现对SNAP-融合蛋白（如 CLCa 和 EGFP）的可视化及选择性去除。