Chem. J. Chinese Universities

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Theoretical Studies on Interaction Mode Between Human 2-Amino 3-Carboxymuconate 6-Semialdehyde Decarboxylase and Substrate and Inhibitor

CHU Hui-Ying, ZHENG Qing-Chuan, ZHAO Yong-Shan, ZHANG Hong-Xing*   

  1. State Key Laboratory of Theoretical and Computational Chemistry, Institute of Theoretical Chemistry, Jilin University, Jilin University, Changchun 130023, China
  • Received:2008-09-19 Revised:1900-01-01 Online:2008-12-10 Published:2008-12-10
  • Contact: ZHANG Hong-Xing

Abstract: The three dimensional structure of human 2-amino 3-carboxymuconate 6-semialdehyde Decarboxylase(hACMSD) was modeled and refined with homology modeling and molecular dynamics. And then, this model was assessed by Profile-3D and Procheck, which confirmed the refined model was reliable. The complex structures of the substrate or inhibitor with hACMSD were obtained and investigated through ligand-receptor docking studies by means of Affinity. The binding pattern predicted by the Affinity module reveals some important residues interacted with substrate or inhibitor, and provides a further refinement of the hACMSD/ inhibitor binding interaction as a basis for new structure-based design efforts.

Key words: 2-Amino 3-carboxymuconate 6-semialdehyde Decarboxylase(ACMSD), Molecular dynamics simulation, Docking, Homology modeling

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