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FEBS Lett. 2009 Mar 18;583(6):1017-22. doi: 10.1016/j.febslet.2009.02.021. Epub 2009 Feb 21.

Structure and dynamics of the human muscle LIM protein.

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Department of Biomolecular Mechanisms, Max-Planck-Institute for Medical Research, Heidelberg, Germany.


The family of cysteine rich proteins (CRP) comprises three closely homologous members that have been reported to interact with alpha-actinin. Muscular LIM protein (MLP/CRP3), the skeletal muscle variant, was originally discovered as a positive regulator of myogenesis and is suggested to be part of the stretch sensor of the myofibril through its interaction with telethonin (T-Cap). We determined the structure of both LIM domains of human MLP by nuclear magnetic resonance spectroscopy. We confirm by (15)N relaxation measurements that both LIM domains act as independent units and that the adjacent linker regions are fully flexible. With the published structures of CRP1 and CRP2, the complete family has now been structurally characterized.

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