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@ARTICLE{Komolov:136533,
author = {Komolov, K. E. and Zinchenko, D. V. and Churumova, V. A.
and Vaganova, S. A. and Weiergräber, Oliver H. and Senin,
I. I. and Philippov, P. P. and Koch, K. W.},
title = {{O}ne of the {C}a(2+) binding sites of recoverin
exclusively controls interaction with rhodopsin kinase},
journal = {Biological chemistry},
volume = {386},
issn = {1431-6730},
address = {Berlin [u.a.]},
publisher = {de Gruyter},
reportid = {FZJ-2013-03329},
pages = {285-286},
year = {2005},
abstract = {Recoverin is a neuronal calcium sensor protein that
controls the activity of rhodopsin kinase in a
Ca(2+)-dependent manner. Mutations in the EF-hand Ca2+
binding sites are valuable tools for investigating the
functional properties of recoverin. In the recoverin mutant
E121Q (Rec E121Q ) the high-affinity Ca2+ binding site is
disabled. The non-myristoylated form of Rec E121Q binds one
Ca2+ via its second Ca(2+)-binding site (EF-hand 2), whereas
the myristoylated variant does not bind Ca2+ at all. Binding
of Ca2+ to non-myristoylated Rec E121Q apparently triggers
exposure of apolar side chains, allowing for association
with hydrophobic matrices. Likewise, an interaction surface
for the recoverin target rhodopsin kinase is constituted
upon Ca2+ binding to the non-acylated mutant. Structural
changes resulting from Ca(2+)-occupation of EF-hand 2 in
myristoylated and non-myristoylated recoverin variants are
discussed in terms of critical conditions required for
biological activity.},
cin = {ICS-6},
ddc = {540},
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:000228131400011},
doi = {10.1515/BC.2005.034},
url = {https://juser.fz-juelich.de/record/136533},
}