期刊
BIOCHEMICAL AND BIOPHYSICAL RESEARCH COMMUNICATIONS
卷 565, 期 -, 页码 29-35出版社
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.bbrc.2021.05.086
关键词
Tubulysins; Vinca site; Tubulin; Microtubule; X-ray crystallography; Drug design
资金
- National Natural Science Foundation of China [81800092]
- China Postdoctoral Science Foundation [2017M610607]
Microtubule-targeting agents (MTAs) are widely used anti-cancer drugs, with various inhibitors and antibody drug conjugates approved for clinical use. Recent research has focused on determining crystal structures of tubulysin analogues and providing insights for designing new vinca-site ligands. Novel design strategies for tubulysin analogues were proposed, aiming to inspire the development of new MTAs or payloads in cancer therapy.
Microtubule-targeting agents (MTAs) are the most commonly used anti-cancer drugs. At least fourteen microtubule inhibitors and ten antibody drug conjugates (ADCs) linking MTAs are approved by FDA for clinical use in cancer therapy. In current research, we determined the crystal structure of tubulysin analogue TGL in complex with tubulin at a high resolution (2.65 & Aring;). In addition, we summarized all of the previously published high-resolution crystal structures of ligands in the vinca site to provide structural insights for the rational design of the new vinca-site ligands. Moreover, based on the aligned results of the vinca site ligands, we provided three possible routes for designing new tubulysin analogues, namely macrocyclization between the N-14 side chain and the N-9 side chain, the hybird of tubulysin M and phomopsin A, and growing new aryl group at C-21. These designed structures will inspire the devel-opment of new MTAs or payloads in cancer therapy. (c) 2021 Elsevier Inc. All rights reserved.
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