Volume 29 Issue 5
Sep.  2008
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XIE Yu-wei, XUE Xiao-ping, YIN Huan-cai, TANG Rui-hua, SU Jing, SONG Kai, HUYAN Ting, WANG Hua, YANG Hui. Homology Modeling and Molecular Evolution Analysis of Myostatin. Zoological Research, 2008, 29(5): 485-492. doi: 10.3724/SP.J.1141.200805485
Citation: XIE Yu-wei, XUE Xiao-ping, YIN Huan-cai, TANG Rui-hua, SU Jing, SONG Kai, HUYAN Ting, WANG Hua, YANG Hui. Homology Modeling and Molecular Evolution Analysis of Myostatin. Zoological Research, 2008, 29(5): 485-492. doi: 10.3724/SP.J.1141.200805485

Homology Modeling and Molecular Evolution Analysis of Myostatin

doi: 10.3724/SP.J.1141.200805485
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  • Corresponding author: XUE Xiao-ping
  • Received Date: 2008-05-13
  • Rev Recd Date: 1900-01-01
  • Publish Date: 2008-10-22
  • Myostatin (MST) is the cytokine negatively regulated skeletal muscle growth factor, and the loss of function caused by mutations is associated with increased skeletal muscle mass. The multiple sequence alignment of the available MST cDNA sequences and the related evolutionary analyses were performed; the quarternary structures of MST homodimer and the MST: ActRIIB complex was built using homology modelling technique. The phylogenetic tree revealed that there were four sub-families, i.e., mammalian MSTN, avian MSTN, and fish MSTN1, 2 in the MST gene (MSTN) family. MST orthologous genes derived from different species had a high sequence identity, which were probably caused by the purifying selection. Particularly, the high degree of conservation of C-terminal sequences of mammalian and avian MST mature peptides suggested they shared the very similar structure, function and signal transduction pathway. The analyses of electrostatic potential and hydrophobic amino acid distribution of the structural models revealed that the electrostatic force and hydrophobic interaction played an important role in receptor recognition by MST.
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Homology Modeling and Molecular Evolution Analysis of Myostatin

doi: 10.3724/SP.J.1141.200805485
    Corresponding author: XUE Xiao-ping

Abstract: Myostatin (MST) is the cytokine negatively regulated skeletal muscle growth factor, and the loss of function caused by mutations is associated with increased skeletal muscle mass. The multiple sequence alignment of the available MST cDNA sequences and the related evolutionary analyses were performed; the quarternary structures of MST homodimer and the MST: ActRIIB complex was built using homology modelling technique. The phylogenetic tree revealed that there were four sub-families, i.e., mammalian MSTN, avian MSTN, and fish MSTN1, 2 in the MST gene (MSTN) family. MST orthologous genes derived from different species had a high sequence identity, which were probably caused by the purifying selection. Particularly, the high degree of conservation of C-terminal sequences of mammalian and avian MST mature peptides suggested they shared the very similar structure, function and signal transduction pathway. The analyses of electrostatic potential and hydrophobic amino acid distribution of the structural models revealed that the electrostatic force and hydrophobic interaction played an important role in receptor recognition by MST.

XIE Yu-wei, XUE Xiao-ping, YIN Huan-cai, TANG Rui-hua, SU Jing, SONG Kai, HUYAN Ting, WANG Hua, YANG Hui. Homology Modeling and Molecular Evolution Analysis of Myostatin. Zoological Research, 2008, 29(5): 485-492. doi: 10.3724/SP.J.1141.200805485
Citation: XIE Yu-wei, XUE Xiao-ping, YIN Huan-cai, TANG Rui-hua, SU Jing, SONG Kai, HUYAN Ting, WANG Hua, YANG Hui. Homology Modeling and Molecular Evolution Analysis of Myostatin. Zoological Research, 2008, 29(5): 485-492. doi: 10.3724/SP.J.1141.200805485

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