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2016 ; 37
(ä): 115-22
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SPLINTS: small-molecule protein ligand interface stabilizers
#MMPMID26829757
Fischer ES
; Park E
; Eck MJ
; Thomä NH
Curr Opin Struct Biol
2016[Apr]; 37
(ä): 115-22
PMID26829757
show ga
Regulatory protein-protein interactions are ubiquitous in biology, and small
molecule protein-protein interaction inhibitors are an important focus in drug
discovery. Remarkably little attention has been given to the opposite
strategy-stabilization of protein-protein interactions, despite the fact that
several well-known therapeutics act through this mechanism. From a structural
perspective, we consider representative examples of small molecules that induce
or stabilize the association of protein domains to inhibit, or alter, signaling
for nuclear hormone, GTPase, kinase, phosphatase, and ubiquitin ligase pathways.
These SPLINTS (small-molecule protein ligand interface stabilizers) drive
interactions that are in some cases physiologically relevant, and in others
entirely adventitious. The diverse structural mechanisms employed suggest
approaches for a broader and systematic search for such compounds in drug
discovery.