% IMPORTANT: The following is UTF-8 encoded. This means that in the presence
% of non-ASCII characters, it will not work with BibTeX 0.99 or older.
% Instead, you should use an up-to-date BibTeX implementation like “bibtex8” or
% “biber”.
@ARTICLE{Cong:111906,
author = {Cong, Y and Schröder, G.F. and Meyer, A.S. and Jakana, J.
and Ma, B. and Dougherty, M.T. and Schmid, M.F. and
Reissmann, S. and Levitt, M. and Ludtke, S.L. and Frydman,
J. and Chiu, W.},
title = {{S}ymmetry-{F}ree {C}ryo-{EM} {S}tructures of the
{C}haperonin {TR}i{C} {A}long its {ATP}ase-{D}riven
{C}onformational {C}ycle},
journal = {The EMBO journal online},
volume = {31},
issn = {0261-4189},
address = {London [u.a.]},
publisher = {Nature Publishing Group},
reportid = {PreJuSER-111906},
pages = {720 - 730},
year = {2011},
note = {Record converted from VDB: 16.11.2012},
abstract = {The eukaryotic group II chaperonin TRiC/CCT is a 16-subunit
complex with eight distinct but similar subunits arranged in
two stacked rings. Substrate folding inside the central
chamber is triggered by ATP hydrolysis. We present five
cryo-EM structures of TRiC in apo and nucleotide-induced
states without imposing symmetry during the 3D
reconstruction. These structures reveal the intra- and
inter-ring subunit interaction pattern changes during the
ATPase cycle. In the apo state, the subunit arrangement in
each ring is highly asymmetric, whereas all
nucleotide-containing states tend to be more symmetrical. We
identify and structurally characterize an one-ring closed
intermediate induced by ATP hydrolysis wherein the closed
TRiC ring exhibits an observable chamber expansion. This
likely represents the physiological substrate folding state.
Our structural results suggest mechanisms for
inter-ring-negative cooperativity, intra-ring-positive
cooperativity, and protein-folding chamber closure of TRiC.
Intriguingly, these mechanisms are different from other
group I and II chaperonins despite their similar
architecture.},
keywords = {Adenosine Triphosphatases: metabolism / Chaperonins:
chemistry / Chaperonins: metabolism / Cryoelectron
Microscopy / Hydrolysis / Models, Molecular / Protein
Conformation / Protein Folding / Adenosine Triphosphatases
(NLM Chemicals) / Chaperonins (NLM Chemicals)},
cin = {ICS-6},
ddc = {570},
cid = {I:(DE-Juel1)ICS-6-20110106},
pnm = {Funktion und Dysfunktion des Nervensystems / BioSoft:
Makromolekulare Systeme und biologische
Informationsverarbeitung},
pid = {G:(DE-Juel1)FUEK409 / G:(DE-Juel1)FUEK505},
typ = {PUB:(DE-HGF)16},
pubmed = {pmid:22045336},
pmc = {pmc:PMC3273382},
UT = {WOS:000300871700019},
doi = {10.1038/emboj.2011.366},
url = {https://juser.fz-juelich.de/record/111906},
}