Targeting large kinase active site with rigid, bulky octahedral ruthenium complexes.

Targeting large kinase active site with rigid, bulky octahedral ruthenium complexes.
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DOI:
10.1021/ja805555a
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发表时间:
2008-11-26
影响因子:
15
通讯作者:
Meggers, Eric
Meggers, Eric
中科院分区:
化学1区
文献类型:
--
作者:
Maksimoska, Jasna;Feng, Li;Harms, Klaus;Yi, Chunling;Kissil, Joseph;Marmorstein, Ronen;Meggers, Eric

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A strategy for targeting protein kinases with large ATP-binding sites by using bulky and rigid octahedral ruthenium complexes as structural scaffolds is presented. A highly potent and selective GSK3 and Pim1 half-sandwich complex NP309 was successfully converted into a PAK1 inhibitor by making use of the large octahedral compounds Λ-FL172 and Λ-FL411 in which the cyclopentadienyl moiety of NP309 is replaced by a chloride and sterically demanding diimine ligands. A 1.65 Å cocrystal structure of PAK1 with Λ-FL172 reveals how the large coordination sphere of the ruthenium complex matches the size of the active site and serves as a yard stick to discriminate between otherwise closely related binding sites.
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