Structural basis of K11/K48-branched ubiquitin chain recognition by the human 26S proteasome
Piotr Drączkowski, Szu-Ni Chen, Ting Chen, Yong‐Sheng Wang, Hsin-An Shih, Jessica Y. C. Huang, Ming-Chieh Tsai, Shu‐Yu Lin, Steven Lin, Rosa Viner, Yuan‐Chih Chang, Kuen‐Phon Wu, Shang‐Te Danny Hsu
The paper reports cryo-EM structures of the human 26S proteasome bound to K11/K48-branched ubiquitin chains, revealing a multivalent recognition mechanism involving new binding sites for K11 and alternating K11-K48 linkages.
Nature Communications · Oct 15, 2025Peer-reviewedBiochemistry