jm8b01720_si_003.pdb (929.33 kB)
Discovery of a Bioactive Inhibitor with a New Scaffold for Cystathionine γ‑Lyase
dataset
posted on 2018-12-18, 00:00 authored by Youtian Hu, Lu Wang, Xu Han, Yueyang Zhou, Tonghui Zhang, Li Wang, Ting Hong, Wei Zhang, Xun-Xiang Guo, Jielin Sun, Yingxin Qi, Jing Yu, Hong Liu, Fang WuWe identify three submicromolar inhibitors
with new chemical scaffolds
for cystathionine γ-lyase (CSE) by a tandem-well-based high-throughput
assay. NSC4056, the most potent inhibitor with an IC50 of
0.6 μM, which is also known as aurintricarboxylic acid, selectively
binds to Arg and Tyr residues of CSE active site and preferably inhibits
the CSE activity in cells rather than cystathionine β-synthase
(CBS), the other H2S-generating enzyme. Moreover, NSC4056
effectively rescues hypotension in hemorrhagic shock rats.
