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@ARTICLE{AlvesFrana:606914,
author = {Alves França, Bruno and Falke, Sven and Rohde, Holger and
Betzel, Christian},
title = {{M}olecular insights into the dynamic modulation of
bacterial {C}lp{P} function and oligomerization by
peptidomimetic boronate compounds},
journal = {Scientific reports},
volume = {14},
number = {1},
issn = {2045-2322},
address = {[London]},
publisher = {Macmillan Publishers Limited, part of Springer Nature},
reportid = {PUBDB-2024-01690},
pages = {2572},
year = {2024},
abstract = {Bacterial caseinolytic protease P subunit (ClpP) is
important and vital for cell survival and infectivity.
Recent publications describe and discuss the complex
structure–function relationship of ClpP and its processive
activity mediated by 14 catalytic sites. Even so, there are
several aspects yet to be further elucidated, such as the
paradoxical allosteric modulation of ClpP by peptidomimetic
boronates. These compounds bind to all catalytic sites, and
in specific conditions, they stimulate a dysregulated
degradation of peptides and globular proteins, instead of
inhibiting the enzymatic activity, as expected for serine
proteases in general. Aiming to explore and explain this
paradoxical effect, we solved and refined the crystal
structure of native ClpP from Staphylococcus epidermidis
(Se), an opportunistic pathogen involved in nosocomial
infections, as well as ClpP in complex with ixazomib at 1.90
Å and 2.33 Å resolution, respectively. The interpretation
of the crystal structures, in combination with complementary
biochemical and biophysical data, shed light on how ixazomib
affects the ClpP conformational state and activity.
Moreover, SEC-SAXS and DLS measurements show, for the first
time, that a peptidomimetic boronate compound also induces
the assembly of the tetradecameric structure from isolated
homomeric heptameric rings of a gram-positive organism.},
cin = {FS-CFEL-1-BMX / FS-PS / EMBL-User},
ddc = {600},
cid = {I:(DE-H253)FS-CFEL-1-BMX-20210408 /
I:(DE-H253)FS-PS-20131107 / I:(DE-H253)EMBL-User-20120814},
pnm = {633 - Life Sciences – Building Blocks of Life: Structure
and Function (POF4-633) / 6G3 - PETRA III (DESY) (POF4-6G3)},
pid = {G:(DE-HGF)POF4-633 / G:(DE-HGF)POF4-6G3},
experiment = {EXP:(DE-H253)P-P12-20150101},
typ = {PUB:(DE-HGF)16},
pubmed = {pmid:38296985},
UT = {WOS:001155680400031},
doi = {10.1038/s41598-024-51787-0},
url = {https://bib-pubdb1.desy.de/record/606914},
}