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2012 Fiscal Year Final Research Report

Characterization of the catalytic mechanism of DyP which is a representative novel peroxidase family.

Research Project

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Project/Area Number 22570136
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeSingle-year Grants
Section一般
Research Field Functional biochemistry
Research InstitutionJapan Women's University (2011-2012)
Tokyo Institute of Technology (2010)

Principal Investigator

SUGANO Yasushi  日本女子大学, 理学部, 教授 (90282855)

Co-Investigator(Renkei-kenkyūsha) TSUGE Hideaki  京都産業大学, 総合生命科学部, 教授 (40299342)
Project Period (FY) 2010 – 2012
KeywordsDyP / 触媒メカニズム / X線結晶構造解析
Research Abstract

So far, the catalytic mechanism of DyP was unknown. In this study, we have proved that aspartic acid 171 is the catalytic residue because the mutant of aspartic acid to asparagine has lost the activity completely. We’ve also proposed that the catalytic mechanism depends on the swinging movement of the aspartic acid. Throughout the whole research, DyP has been assigned a new EC number (EC 1.11.1.19) and has been taken notice over the world.

  • Research Products

    (3 results)

All 2012 2011

All Journal Article (3 results)

  • [Journal Article] Crystal structures ofdye-decolorizing peroxidase with ascorbic acid and 2,6-dimethoxyphenol2012

    • Author(s)
      T. Yoshida, H. Tsuge, T. Hisabori, Y. Sugano
    • Journal Title

      FEBS Letters

      Volume: 586(24) Pages: 4351-4356

  • [Journal Article] The catalytic mechanism of dye-decolorizing peroxidase DyP may require theswinging movement of an aspartic acid residue2011

    • Author(s)
      T. Yoshida, H. Tsuge, H. Konno, T.Hisabori, Y. Sugano
    • Journal Title

      FEBS Journal

      Volume: 278(13) Pages: 2387-2394

  • [Journal Article] Degradation of the synthetic dye amaranth by the fungus Bjerkandera adusta Dec 1: Inference of the degradation pathway from an analysis of decolorized products2011

    • Author(s)
      N. Gomi, S. Yoshida, K. Matsumoto, M.Okudomi, H. Konno, T. Hisabori, Y.Sugano
    • Journal Title

      Biodegradation

      Volume: 22(6) Pages: 1239-1245

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Published: 2014-08-29  

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