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| Screening of Proteins Interacting with Porcine Calsarcin-2 by Yeast Two-hybrid Techniques |
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Abstract To elucidate the function of calsarcin-2(CS2) in the formation of skeletal muscle fiber and signaling pathway regulation, we used yeast two-hybrid approach to look for CS2 interacting proteins. The porcine skeletal library screen gave 180 positive interactions, in which 12 interacting proteins were obtained. Bioinformation analysis found that actin alpha 1(ACTA1), titin(TTN) and calmodulin 1 (CALM 1) were CS2 interaction partners. ACTA1 involved in the process of muscle contraction, TTN regulated the dynamics conduction of sarcomere and Z disc assembly, CALM 1 paticipated in calcium signal transduction. These results indicate that CS2 is implicated in the transduction of calcium signals and maintaining the structure of Z disc.
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Received: 18 February 2011
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