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@ARTICLE{Kalisman:139206,
author = {Kalisman, N. and Schröder, Gunnar and Levitt, M.},
title = {{T}he {C}rystal {S}tructures of the {E}ukaryotic
{C}haperonin {CCT} {R}eveal {I}ts {F}unctional
{P}artitioning},
journal = {Structure},
volume = {21},
number = {4},
issn = {0969-2126},
address = {London [u.a.]},
publisher = {Elsevier Science},
reportid = {FZJ-2013-05209},
pages = {540-549},
year = {2013},
abstract = {In eukaryotes, CCT is essential for the correct and
efficient folding of many cytosolic proteins, most notably
actin and tubulin. Structural studies of CCT have been
hindered by the failure of standard crystallographic
analysis to resolve its eight different subunit types at low
resolutions. Here, we exhaustively assess the R value fit of
all possible CCT models to available crystallographic data
of the closed and open forms with resolutions of 3.8 Å and
5.5 Å, respectively. This unbiased analysis finds the
native subunit arrangements with overwhelming significance.
The resulting structures provide independent
crystallographic proof of the subunit arrangement of CCT and
map major asymmetrical features of the particle onto
specific subunits. The actin and tubulin substrates both
bind around subunit CCT6, which shows other structural
anomalies. CCT is thus clearly partitioned, both
functionally and evolutionary, into a substrate-binding side
that is opposite to the ATP-hydrolyzing side.},
cin = {ICS-6},
ddc = {570},
cid = {I:(DE-Juel1)ICS-6-20110106},
pnm = {452 - Structural Biology (POF2-452)},
pid = {G:(DE-HGF)POF2-452},
typ = {PUB:(DE-HGF)16},
UT = {WOS:000317800100004},
pubmed = {pmid:23478063},
doi = {10.1016/j.str.2013.01.017},
url = {https://juser.fz-juelich.de/record/139206},
}