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Computer-aided development of stronger channel blockers against polysaccharide transporter Wza

Research Project

Project/Area Number 17H06912
Research Category

Grant-in-Aid for Research Activity Start-up

Allocation TypeSingle-year Grants
Research Field Chemical biology
Research InstitutionKagawa University

Principal Investigator

Kong Lingbing  香川大学, 国際希少糖研究教育機構, 助教 (20798384)

Project Period (FY) 2017-08-25 – 2019-03-31
Project Status Completed (Fiscal Year 2017)
Budget Amount *help
¥2,730,000 (Direct Cost: ¥2,100,000、Indirect Cost: ¥630,000)
Fiscal Year 2017: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Keywordscomputation / Wza / transporter / polysaccharide / channel blocker / computer-aided
Outline of Annual Research Achievements

The binding sites of existing inhibitors to protein WzaK30 have been extensively elucidated by using molecular docking, quantum mechanics/molecular mechanics calculations and molecular dynamics in combination with data obtained from single-molecule experiments. On the basis of the results, next-generation of WzaK30 inhibitors have been designed, synthesised and tested. Some of these compounds showed improved binding affinities to the protein. Preliminary computational studies revealed a new binding mode of these new molecules to the protein. Further analysis in computation, single-molecule biophysics, microbiology, etc. are currently ongoing. I expect that the new binders would bring new possibilities in not only antibacterial research but also single-molecule sensing.

Research Progress Status

29年度が最終年度であるため、記入しない。

Strategy for Future Research Activity

29年度が最終年度であるため、記入しない。

Report

(1 results)
  • 2017 Annual Research Report
  • Research Products

    (2 results)

All 2017

All Journal Article (1 results) (of which Int'l Joint Research: 1 results,  Peer Reviewed: 1 results) Presentation (1 results) (of which Invited: 1 results)

  • [Journal Article] A monodisperse transmembrane α-helical peptide barrel2017

    • Author(s)
      Kozhinjampara R. Mahendran, Ai Niitsu, Lingbing Kong, Andrew R. Thomson, Richard B. Sessions, Derek N. Woolfson & Hagan Bayley
    • Journal Title

      Nature Chemistry

      Volume: 9 Issue: 5 Pages: 411-419

    • DOI

      10.1038/nchem.2647

    • Related Report
      2017 Annual Research Report
    • Peer Reviewed / Int'l Joint Research
  • [Presentation] Sugars and Sugar Transporters2017

    • Author(s)
      Lingbing Kong
    • Organizer
      Phytogene Symposium VIII, Kagawa International Conference
    • Related Report
      2017 Annual Research Report
    • Invited

URL: 

Published: 2017-08-25   Modified: 2018-12-17  

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