Synthesis and evaluation of biotinylated sansalvamide A analogs and their modulation of Hsp90.

Synthesis and evaluation of biotinylated sansalvamide A analogs and their modulation of Hsp90.
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DOI:
10.1016/j.bmcl.2011.06.083
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发表时间:
2011-08-15
影响因子:
2.7
通讯作者:
McAlpine, Shelli R.
McAlpine, Shelli R.
中科院分区:
医学4区
文献类型:
--
作者:
Kunicki, Joseph B.;Petersen, Mark N.;Alexander, Leslie D.;Ardi, Veronica C.;McConnell, Jeanette R.;McAlpine, Shelli R.

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Described are the syntheses of 3 Sansalvamide A derivatives that contain biotinylated tags at individual positions around the macrocycle. The tagged derivatives indicated in protein pull-down assays that they bind to Hsp90 at the same binding site (N-middle domain) as the San A-amide peptide. Further, these compounds inhibit binding between Hsp90 and multiple C-terminal client proteins. This interaction is unique to the San A analogs indicating they can be tuned for selectivity against Hsp90 client/co-chaperone proteins.
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