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2017 ; 73
(Pt 6
): 534-540
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The potential use of single-particle electron microscopy as a tool for
structure-based inhibitor design
#MMPMID28580915
Rawson S
; McPhillie MJ
; Johnson RM
; Fishwick CWG
; Muench SP
Acta Crystallogr D Struct Biol
2017[Jun]; 73
(Pt 6
): 534-540
PMID28580915
show ga
Recent developments in electron microscopy (EM) have led to a step change in our
ability to solve the structures of previously intractable systems, especially
membrane proteins and large protein complexes. This has provided new
opportunities in the field of structure-based drug design, with a number of
high-profile publications resolving the binding sites of small molecules and
peptide inhibitors. There are a number of advantages of EM over the more
traditional X-ray crystallographic approach, such as resolving different
conformational states and permitting the dynamics of a system to be better
resolved when not constrained by a crystal lattice. There are still significant
challenges to be overcome using an EM approach, not least the speed of structure
determination, difficulties with low-occupancy ligands and the modest resolution
that is available. However, with the anticipated developments in the field of EM,
the potential of EM to become a key tool for structure-based drug design, often
complementing X-ray and NMR studies, seems promising.