Cucurbitacin D 是南瓜中的活性成分，可破坏 Hsp90 与两种辅助分子伴侣 Cdc37 和 p23 的相互结合，阻止 Hsp90 客户蛋白 (Her2，Raf，Cdk6，pAkt) 成熟但不诱导热休克反应。具有抗癌作用。
CAS：3877-86-9
分子式：C30H44O7
分子量：516.67
纯度：98%
存储：Store at -20°C

Background:

Cucurbitacin D is an active component in Cucurbita texana, disrupts interactions between Hsp90 and two co-chaperones, Cdc37 and p23. Cucurbitacin D prevents Hsp90 client (Her2, Raf, Cdk6, pAkt) maturation without induction of the heat shock response. Anti-cancer activity[1]. HSP90

[1]. Hall JA, et al. Cucurbitacin D Is a Disruptor of the HSP90 Chaperone Machinery. J Nat Prod. 2015 Apr 24;78(4):873-9.