% 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{Senin:30299,
author = {Senin, I. I. and Vaganova, S. A. and Weiergräber, O. H.
and Ergorov, N. S. and Philippov, P. P. and Koch, K.-W.},
title = {{F}unctional restoration of the {C}a2 -myristoyl switch in
a recoverin mutant},
journal = {Journal of molecular biology},
volume = {330},
issn = {0022-2836},
address = {Amsterdam [u.a.]},
publisher = {Elsevier},
reportid = {PreJuSER-30299},
pages = {409 - 418},
year = {2003},
note = {Record converted from VDB: 12.11.2012},
abstract = {Recoverin is a neuronal calcium sensor protein that plays a
crucial role in vertebrate phototransduction. It undergoes a
Ca2+-myristoyl switch when Ca2+ binds to its two functional
EF-hand motifs (EF-hands 2 and 3), each present in one of
recoverin's two domains. Impairment of Ca2+-binding in
recoverin leads to a disturbance of the Ca2+-myristoyl
switch and loss of its regulatory properties, i.e. inhibiton
of rhodopsin kinase. We have engineered recoverin mutants
with either of the two functional EF-hands disabled, but
with a functional Ca2+-binding site in EF-hand 4. While a
defect in EF-hand 2 could not be rescued by the additional
EF-hand 4, the impairment of EF-hand 3 was powerfully
compensated by Ca2+-binding to EF-hand 4. For example, the
myristoylated form of the latter mutant bound to membranes
in a Ca2+-dependent way and was able to inhibit rhodopsin
kinase in a way similar to that of the wild-type protein.
Thus, for recoverin to undergo a Ca2+-myristoyl switch, it
is necessary and sufficient to have either of the two
EF-hands in the second domain in a functional state. On the
basis of these results and inspection of published
three-dimensional structures of recoverin, we propose a
model highlighting the mutual interdependence of sterical
configurations in EF-hands 3 and 4 of recoverin. (C) 2003
Elsevier Science Ltd. All rights reserved.},
keywords = {J (WoSType)},
cin = {IBI-1 / IBI-2},
ddc = {570},
cid = {I:(DE-Juel1)VDB57 / I:(DE-Juel1)VDB58},
pnm = {Neurowissenschaften},
pid = {G:(DE-Juel1)FUEK255},
shelfmark = {Biochemistry $\&$ Molecular Biology},
typ = {PUB:(DE-HGF)16},
UT = {WOS:000183824900020},
doi = {10.1016/S0022-2836(03)00581-3},
url = {https://juser.fz-juelich.de/record/30299},
}