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.jpg): Failed to open stream: No such file or directory in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 117 ACS+Med+Chem+Lett
2013 ; 4
(3
): 353-7
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Synthesis, Optimization, and Evaluation of Novel Small Molecules as Antagonists
of WDR5-MLL Interaction
#MMPMID24900672
Bolshan Y
; Getlik M
; Kuznetsova E
; Wasney GA
; Hajian T
; Poda G
; Nguyen KT
; Wu H
; Dombrovski L
; Dong A
; Senisterra G
; Schapira M
; Arrowsmith CH
; Brown PJ
; Al-Awar R
; Vedadi M
; Smil D
ACS Med Chem Lett
2013[Mar]; 4
(3
): 353-7
PMID24900672
show ga
The WD40-repeat protein WDR5 plays a critical role in maintaining the integrity
of MLL complexes and fully activating their methyltransferase function. MLL
complexes, the trithorax-like family of SET1 methyltransferases, catalyze
trimethylation of lysine 4 on histone 3, and they have been widely implicated in
various cancers. Antagonism of WDR5 and MLL subunit interaction by small
molecules has recently been presented as a practical way to inhibit activity of
the MLL1 complex, and N-(2-(4-methylpiperazin-1-yl)-5-substituted-phenyl)
benzamides were reported as potent and selective antagonists of such an
interaction. Here, we describe the protein crystal structure guided optimization
of prototypic compound 2 (K dis = 7 ?M), leading to identification of more potent
antagonist 47 (K dis = 0.3 ?M).