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1996 Fiscal Year Final Research Report Summary

Structure and function of Sec factors involving protein translocation

Research Project

Project/Area Number 07458148
Research Category

Grant-in-Aid for Scientific Research (B)

Allocation TypeSingle-year Grants
Section一般
Research Field Structural biochemistry
Research InstitutionUniversity of Tokyo

Principal Investigator

TOKUDA Hajime  University of Tokyo, Institute of Molecular and Cellular Biosciences, Professor, 分生細胞生物学研究所, 教授 (40125943)

Project Period (FY) 1995 – 1996
KeywordsProtein translocation / Prokaryote / Reconstitution / SecY / SecE / SecG / SecA
Research Abstract

Efficient protein translocation machinery was reconstituted from SecA,SecY,SecE and SecG into proteoliposomes. SecG was found to undergo the inversion cycle of membrane topology during protein translocation. This cycle was found to be coupled with the membrane insertion and deinsertion cycle of SecA.

  • Research Products

    (22 results)

All Other

All Publications (22 results)

  • [Publications] Hanada,M.: "SecG plays a critical role in protein translocation in the absence of the proton motive force a well as at low temperature." FEBS Lett.381. 25-28 (1996)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] Nishiyama,K.: "Inversion of the membrane topology of SecG coupled with SecA-dependent preprotein translocation." Cell. 85. 71-81 (1996)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] Kontinen,V.P.: "Roles of the conserved cytoplasmic region and non-conserved carboxy-terminal region of SecE in E.coli protein translocase." J.Biochemistry. 119. 1124-1130 (1996)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] Kontinen,V.P.: "The secG deletion mutation of Escherichia coli is suppressed by expression of a novel regulate gene of Bacillus subtilis." FEBS Lett.389. 281-284 (1996)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] Hirano,M.: "The carboxyl-terminal region is essential for SecA dimerization." Biochem.Biophys.Res.Commun.229. 90-95 (1996)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] Tokuda,H.: "Topology inversion of SecG,a membrane factor of E.coli protein translocase." Membrane Proteins. 183-190 (1997)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] Kontinen,V.P.: "Overexpression of phosphatidylglycerophosphate synthase rcstores protein translocation in a secG deletion mutant of Escherichia coli at low temperature." FEBS Lett.364. 157-160 (1995)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] Matsuyama,S.: "A novel pcriplasmic carrier protein involved in the sorting and transport of E.coli lipoproteins destined for the outer membrane." EMBOJ.14. 3365-3372 (1995)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] Nishiyama,K.: "Prcferential interaction of SecG with SecE stabilizes an unstable SecE derivative in the Escherichia coli cytoplasmic membrane." Biochem.Biophys.Res.Commun.217. 217-223 (1995)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] Akiyama,Y.: "FtsH (HПB) is an ATP-dependent pretcase sclectively acting on SecY and some ther membrane proteins." J.Biol.Chem.271. 31196-31201 (1996)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] Tokuda,H.: "Protein traffic from the cytosol to the outer membrane of Escherichia coli." Protein targetting. (in press). (1997)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] Kontinen V.P., and Tokuda, H.: "Overexpression of phosphatidylglycerophosphate synthase restores protein translocation in a secG deletion mutant of Escherichia coli at low temperature" FEBS Lett.364. 157-160 (1995)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Matsuyama, S., Tajima, T., and Tokuda, H.: "A novel periplasmic carrier protein involved in the sorting and transport of E.coli lipoproteins destined for the outer membrane" EMBO J.14. 3365-3372 (1995)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Nishiyama, K., and Tokuda, H.: "Preferential interaction of SecG with SecE stabilizes an unstable SecE derivative in the Escherichia coli cytoplasmic membrane" Biochem.Biophys.Res.Commun.217. 217-223 (1995)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Hanada, M., Nishiyama, K., and Tokuda, H.: "SecG plays a critical role in protein translocation in the absence of the proton motive force as well as at low temperature" FEBS Lett.381. 25-28 (1996)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Nishiyama, K., Suzuki, T., and Tokuda, H.: "Inversion of the membrane topology of SecG coupled with SecA-dependent preprotein translocation" Cell. 85. 71-81 (1996)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Kontinen, V.P., Yamanaka, M., Nishiyama, K., and Tookuda, H.: "Roles of the conserved cytoplasmic region and non-conserved carboxyterminal region of SecE in E.coli protein translocase" J.Biochemistry. 119. 1124-1130 (1996)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Kontinen, V.P., Helander, I.M., and Tokuda, H.: "The secG deletion mutation of Escherichia coli is suppressed by expression of a novel regulatory gene of Bacillus subtilis" FEBS Lett.389. 281-284 (1996)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Hirano, M., Matsuyama, S., and Tokuda, H.: "The carboxyl-terminal region is essential for SecA dimerization" Biochem.Biophys.Res.Commun.229. 90-95 (1996)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Akiyama, Y., Kihara, A., Tokuda, H., and Ito, K.: "FtsH (HflB) is an ATP-dependent protease selectively acting on SecY and some other membrane proteins." J.Biol.Chem.271. 31196-31201 (1996)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Tokuda, H.: "Topology inversion of SecG,a membrane factor of E.coli protein translocase" Membrane Proteins : "Structure, function and expression control" (ed.N.Hamasaki and K.Mihara, Kyusyu University Press/Karger Medical and Scientific Publishers). 183-190 (1997)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Tokuda, H., and Matsuyama, S.: "Protein traffic from the cytosol to the outer membrane of Escherichia coli" "Protein targetting" (ed.D.Protein Phoenix, Portland Press). (in press). (1997)

    • Description
      「研究成果報告書概要(欧文)」より

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Published: 1999-03-09  

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