Molecular Features of the Interaction of Colchicine and Related Structures with Tubulin
Molecular Features of the Interaction of Colchicine and Related Structures with Tubulin
复制标题
秋水仙碱及相关结构与微管蛋白相互作用的分子特征
DOI:
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发表时间:
2008
期刊:
影响因子:
--
通讯作者:
S. Bane
中科院分区:
文献类型:
--
作者:
S. Bane
Colchicine is one of the oldest known antimicrotubule drugs. It exerts its biological effects by binding to a single site on the β-subunit of the tubulin heterodimer. The resulting colchicine-tubulin complex substiochiometrically inhibits tubulin assembly and suppresses microtubule dynamics. A large number of molecules with significant structural diversity interact with the colchicine site on tubulin; literally hundreds of potential colchicine site ligands have been synthesized and tested in the hopes of finding a better clinical agent. In spite of the wealth of data, an understanding of the structure-activity relationship for these colchicine site ligands remains elusive. Colchicine site drugs are believed to act as a common mechanism, which has been studied extensively in the case of colchicine but much less studied for other ligands. In this review, the molecular mechanisms by which colchicine and closely related structures interact with tubulin are explored. Thermodynamic, kinetic, and structure-activity analyses as well as more recent structural information about the ligand-receptor complex are discussed.
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