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@ARTICLE{Eulitz:166794,
author = {Eulitz, S. and Sauer, Florian and Pelissier, M.-C. and
Boisguerin, P. and Molt, S. and Schuld, J. and Orfanos, Z.
and Kley, R. A. and Volkmer, R. and Wilmanns, M. and Kirfel,
G. and van der Ven, P. F. M. and Furst, D. O.},
title = {{I}dentification of {X}in-repeat proteins as novel ligands
of the {SH}3 domains of nebulin and nebulette and analysis
of their interaction during myofibril formation and
remodeling},
journal = {Molecular biology of the cell},
volume = {24},
number = {20},
issn = {1059-1524},
address = {Bethesda, Md.},
publisher = {American Society for Cell Biology},
reportid = {DESY-2014-01628},
pages = {3215 - 3226},
year = {2013},
note = {© Eulitz et al.},
abstract = {The Xin actin-binding repeat-containing proteins Xin and
XIRP2 are exclusively expressed in striated muscle cells,
where they are believed to play an important role in
development. In adult muscle, both proteins are concentrated
at attachment sites of myofibrils to the membrane. In
contrast, during development they are localized to immature
myofibrils together with their binding partner, filamin C,
indicating an involvement of both proteins in myofibril
assembly. We identify the SH3 domains of nebulin and
nebulette as novel ligands of proline-rich regions of Xin
and XIRP2. Precise binding motifs are mapped and shown to
bind both SH3 domains with micromolar affinity.
Cocrystallization of the nebulette SH3 domain with the
interacting XIRP2 peptide PPPTLPKPKLPKH reveals selective
interactions that conform to class II SH3 domain-binding
peptides. Bimolecular fluorescence complementation
experiments in cultured muscle cells indicate a temporally
restricted interaction of Xin-repeat proteins with
nebulin/nebulette during early stages of myofibril
development that is lost upon further maturation. In mature
myofibrils, this interaction is limited to longitudinally
oriented structures associated with myofibril development
and remodeling. These data provide new insights into the
role of Xin actin-binding repeat-containing proteins
(together with their interaction partners) in myofibril
assembly and after muscle damage.},
cin = {EMBL},
ddc = {570},
cid = {I:(DE-H253)EMBL-20120731},
pnm = {DORIS Beamline K1.3 (POF2-54G13)},
pid = {G:(DE-H253)POF2-K1.3-20130405},
experiment = {EXP:(DE-H253)D-K1.3-20150101},
typ = {PUB:(DE-HGF)16},
UT = {WOS:000328123800006},
pubmed = {pmid:23985323},
doi = {10.1091/mbc.E13-04-0202},
url = {https://bib-pubdb1.desy.de/record/166794},
}