1.Discovery of a small molecule inhibitor of cullin neddylation that triggers ER stress to induce autophagy.
Yanan LI ; Chaorong WANG ; Tiantian XU ; Peichen PAN ; Qing YU ; Lei XU ; Xiufang XIONG ; Tingjun HOU ; Sunliang CUI ; Yi SUN
Acta Pharmaceutica Sinica B 2021;11(11):3567-3584
Protein neddylation is catalyzed by a three-enzyme cascade, namely an E1 NEDD8-activating enzyme (NAE), one of two E2 NEDD8 conjugation enzymes and one of several E3 NEDD8 ligases. The physiological substrates of neddylation are the family members of cullin, the scaffold component of cullin RING ligases (CRLs). Currently, a potent E1 inhibitor, MLN4924, also known as pevonedistat, is in several clinical trials for anti-cancer therapy. Here we report the discovery, through virtual screening and structural modifications, of a small molecule compound HA-1141 that directly binds to NAE in both
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