Structure-Based Development of Isoform-Selective Inhibitors of Casein Kinase 1ε vs Casein Kinase 1δ.
Structure-Based Development of Isoform-Selective Inhibitors of Casein Kinase 1ε vs Casein Kinase 1δ.
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DOI:
10.1021/acs.jmedchem.2c01180
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发表时间:
2023-06-08
影响因子:
7.3
通讯作者:
Roush, William R.
中科院分区:
文献类型:
--
作者:
Choi, Jun Yong;Noguchi, Yoshihiko;Alburger, James M.;Bayle, Simon;Chung, Eugene;Grant, Wayne;Chaikuad, Apirat;Knapp, Stefan;Duckett, Derek R.;Roush, William R.
Specific inhibition of a single kinase isoform is a challenging task due to the highly conserved nature of ATP binding sites. Casein kinase 1 (CK1) δ and ε share 97% sequence identity in their catalytic domains. From a comparison of the X-ray crystal structures of CK1δ and CK1ε, we developed a potent and highly CK1ε-isoform selective inhibitor (SR-4133). The X-ray co-crystal structure of the CK1δ - SR-4133 complex reveals that the electrostatic surface between the naphthyl unit of SR-4133 and CK1δ is mismatched, destabilizing the interaction of SR-4133 with CK1δ. Conversely, the hydrophobic surface area resulting from the DFG-out conformation of CK1ε stabilizes the binding of SR-4133 in the ATP binding pocket of CK1ε, leading to the selective inhibition of CK1ε. The potent CK1ε-selective agents display nanomolar growth inhibition of bladder cancer cells and inhibit the phosphorylation of 4E-BP1 in T24 cells, which is a direct downstream effector of CK1ε.
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DOI:
10.1107/s0907444905036693
发表时间:
2006-01-01
影响因子:
2.2
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影响因子:
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Biggin PC
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4.6
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16
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通讯作者:
Gould, Kathleen L.
DOI:
10.1007/978-1-4939-7756-7_11
发表时间:
2018-01-01
期刊:
COMPUTATIONAL DRUG DISCOVERY AND DESIGN
影响因子:
--
作者:
Aldeghi, Matteo;Bluck, Joseph P.;Biggin, Philip C.
通讯作者:
Biggin, Philip C.