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@ARTICLE{Rossetti:201272,
author = {Rossetti, Giulia and Magistrato, Alessandra and Pastore,
Annalisa and Carloni, Paolo},
title = {{H}ydrogen {B}onding {C}ooperativity in poly{Q} β-{S}heets
from {F}irst {P}rinciple {C}alculations},
journal = {Journal of chemical theory and computation},
volume = {6},
number = {6},
issn = {1549-9626},
address = {Washington, DC},
publisher = {American Chemical Society (ACS)},
reportid = {FZJ-2015-03577},
pages = {1777 - 1782},
year = {2010},
abstract = {Polyglutamine β-sheet aggregates are associated with the
derangement of Huntington’s disease. The effect of
cooperativity of the H-bond network formed by both backbone
and side chain groups is expected to be important for the
structure and energetics of the aggregates. So far, no
direct description and/or quantification of the effect is
yet available. By performing DFT and hybrid DFT/MM
simulations of polyglutamine β-sheet structures in vacuo
and in aqueous solution, we observe that the cooperativity
of glutamine side chains affects both the directions
perpendicular and parallel to the backbone. This behavior is
not usually observed in β sheets and may provide
significant extra-stabilization together with explaining
some of the unique properties of polyglutamine aggregation.},
cin = {GRS / IAS-5},
ddc = {540},
cid = {I:(DE-Juel1)GRS-20100316 / I:(DE-Juel1)IAS-5-20120330},
pnm = {899 - ohne Topic (POF2-899)},
pid = {G:(DE-HGF)POF2-899},
typ = {PUB:(DE-HGF)16},
UT = {WOS:000278480000001},
doi = {10.1021/ct900476e},
url = {https://juser.fz-juelich.de/record/201272},
}