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@ARTICLE{Huber:877662,
author = {Huber, Stefan T. and Mostafavi, Siavash and Mortensen,
Simon and Sachse, Carsten},
title = {{S}tructure and assembly of {ESCRT}-{III} helical {V}ps24
filaments},
journal = {Science advances},
volume = {6},
number = {34},
issn = {2375-2548},
address = {Washington, DC [u.a.]},
publisher = {Assoc.},
reportid = {FZJ-2020-02372},
pages = {eaba4897 -},
year = {2020},
abstract = {ESCRT-III proteins mediate a range of cellular membrane
remodeling activities such as multivesicular body
biogenesis, cytokinesis, and viral release. Critical to
these processes is the assembly of ESCRT-III subunits into
polymeric structures. In this study, we determined the
cryo-EM structure of a helical assembly of Saccharomyces
cerevisiae Vps24 at 3.2-Å resolution and found that Vps24
adopts an elongated open conformation. Vps24 forms a
domain-swapped dimer extended into protofilaments that
associate into a double-stranded apolar filament. We
demonstrate that, upon binding negatively charged lipids,
Vps24 homopolymer filaments undergo partial disassembly into
shorter filament fragments and oligomers. Upon the addition
of Vps24, Vps2, and Snf7, liposomes are deformed into neck
and tubular structures by an ESCRT-III heteropolymer coat.
The filamentous Vps24 homopolymer assembly structure and
interaction studies reveal how Vps24 could introduce unique
geometric properties to mixed-type ESCRT-III heteropolymers
and contribute to the process of membrane scission events.},
cin = {ER-C-3},
ddc = {500},
cid = {I:(DE-Juel1)ER-C-3-20170113},
pnm = {551 - Functional Macromolecules and Complexes (POF3-551)},
pid = {G:(DE-HGF)POF3-551},
typ = {PUB:(DE-HGF)16},
pubmed = {pmid:32875105},
UT = {WOS:000561426700011},
doi = {10.1126/sciadv.aba4897},
url = {https://juser.fz-juelich.de/record/877662},
}