Apelin-13 is an endogenous ligand of APJ receptor, and the EC 50 value of activated G protein coupled receptor is 0.37 nM.

High affinity rat GIP receptor partial agonist (Kd = 13 nM). Increases cAMP accumulation in COS-7 cells transfected with rat GIP receptor, while also acting as a competitive antagonist of GIP.

Azido-PEG4-hydrazide 是一种 PROTAC linker，属于 PEG 类。可用于合成 PROTAC 分子。Azido-PEG4-hydrazide 是一种点击化学试剂。它含有 Azide 基团，可以和含有 Alkyne 基团的分子发生铜催化的叠氮-炔环加成反应（CuAAc)。还可以和含有 DBCO 或 BCN 基团的分子发生菌株促进的炔-叠氮环加成反应 (SPAAC)。