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@ARTICLE{Vercellino:1051591,
author = {Vercellino, Irene and Sazanov, Leonid A.},
title = {{A}uthor {C}orrection: {SCAF}1 drives the compositional
diversity of mammalian respirasomes},
journal = {Nature structural $\&$ molecular biology},
volume = {32},
number = {11},
issn = {1545-9993},
address = {London [u.a.]},
publisher = {Nature Publishing Group},
reportid = {FZJ-2026-00517},
pages = {2371 - 2371},
year = {2025},
abstract = {Supercomplexes of the respiratory chain are established
constituents of the oxidative phosphorylation system, but
their role in mammalian metabolism has been hotly debated.
Although recent studies have shown that different
tissues/organs are equipped with specific sets of
supercomplexes, depending on their metabolic needs, the
notion that supercomplexes have a role in the regulation of
metabolism has been challenged. However, irrespective of the
mechanistic conclusions, the composition of various high
molecular weight supercomplexes remains uncertain. Here,
using cryogenic electron microscopy, we demonstrate that
mammalian (mouse) tissues contain three defined types of
‘respirasome’, supercomplexes made of CI, CIII2 and CIV.
The stoichiometry and position of CIV differs in the three
respirasomes, of which only one contains the
supercomplex-associated factor SCAF1, whose involvement in
respirasome formation has long been contended. Our
structures confirm that the ‘canonical’ respirasome (the
C-respirasome, CICIII2CIV) does not contain SCAF1, which is
instead associated to a different respirasome (the
CS-respirasome), containing a second copy of CIV. We also
identify an alternative respirasome (A-respirasome), with
CIV bound to the ‘back’ of CI, instead of the ‘toe’.
This structural characterization of mouse mitochondrial
supercomplexes allows us to hypothesize a mechanistic basis
for their specific role in different metabolic conditions.},
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 = {41193677},
UT = {WOS:001609035000001},
doi = {10.1038/s41594-025-01721-3},
url = {https://juser.fz-juelich.de/record/1051591},
}