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@ARTICLE{Junglas:1030409,
author = {Junglas, Benedikt and Hudina, Esther and Schönnenbeck,
Philipp and Ritter, Ilona and Heddier, Anja and
Santiago-Schübel, Beatrix and Huesgen, Pitter F. and
Schneider, Dirk and Sachse, Carsten},
title = {{S}tructural plasticity of bacterial {ESCRT}-{III} protein
{P}sp{A} in higher-order assemblies},
journal = {Nature structural $\&$ molecular biology},
volume = {32},
issn = {1545-9993},
address = {London [u.a.]},
publisher = {Nature Publishing Group},
reportid = {FZJ-2024-05282},
pages = {23-34},
year = {2025},
abstract = {Eukaryotic members of the endosome sorting complex required
for transport-III (ESCRT-III) family have been shown to form
diverse higher-order assemblies. The bacterial phage shock
protein A (PspA) has been identified as a member of the
ESCRT-III superfamily, and PspA homo-oligomerizes to form
rod-shaped assemblies. As observed for eukaryotic ESCRT-III,
PspA forms tubular assemblies of varying diameters. Using
electron cryo-electron microscopy, we determined 61
Synechocystis PspA structures and observed in molecular
detail how the structural plasticity of PspA rods is
mediated by conformational changes at three hinge regions in
the monomer and by the fixed and changing molecular contacts
between protomers. Moreover, we reduced and increased the
structural plasticity of PspA rods by removing the loop
connecting helices α3/α4 and the addition of nucleotides,
respectively. Based on our analysis of PspA-mediated
membrane remodeling, we suggest that the observed mode of
structural plasticity is a prerequisite for the biological
function of ESCRT-III members.},
cin = {ER-C-3},
ddc = {570},
cid = {I:(DE-Juel1)ER-C-3-20170113},
pnm = {5352 - Understanding the Functionality of Soft Matter and
Biomolecular Systems (POF4-535) / 5241 - Molecular
Information Processing in Cellular Systems (POF4-524)},
pid = {G:(DE-HGF)POF4-5352 / G:(DE-HGF)POF4-5241},
typ = {PUB:(DE-HGF)16},
pubmed = {39152237},
UT = {WOS:001292655700003},
doi = {10.1038/s41594-024-01359-7},
url = {https://juser.fz-juelich.de/record/1030409},
}