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2015 ; 94
(ä): 480-8
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Structure-based inhibition of protein-protein interactions
#MMPMID25253637
Watkins AM
; Arora PS
Eur J Med Chem
2015[Apr]; 94
(ä): 480-8
PMID25253637
show ga
Protein-protein interactions (PPIs) are emerging as attractive targets for drug
design because of their central role in directing normal and aberrant cellular
functions. These interactions were once considered "undruggable" because their
large and dynamic interfaces make small molecule inhibitor design challenging.
However, landmark advances in computational analysis, fragment screening and
molecular design have enabled development of a host of promising strategies to
address the fundamental molecular recognition challenge. An attractive approach
for targeting PPIs involves mimicry of protein domains that are critical for
complex formation. This approach recognizes that protein subdomains or protein
secondary structures are often present at interfaces and serve as organized
scaffolds for the presentation of side chain groups that engage the partner
protein(s). Design of protein domain mimetics is in principle rather
straightforward but is enabled by a host of computational strategies that provide
predictions of important residues that should be mimicked. Herein we describe a
workflow proceeding from interaction network analysis, to modeling a complex
structure, to identifying a high-affinity sub-structure, to developing
interaction inhibitors. We apply the design procedure to peptidomimetic
inhibitors of Ras-mediated signaling.
|*Drug Design
[MESH]
|Humans
[MESH]
|Models, Molecular
[MESH]
|Molecular Structure
[MESH]
|Peptidomimetics/*chemistry/*pharmacology/therapeutic use
[MESH]