Structures of revertant signal sequences of Escherichia coli ribose binding protein

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dc.contributor.authorChi, SWko
dc.contributor.authorYi, Gwan-Suko
dc.contributor.authorSuh, JYko
dc.contributor.authorChoi, Byong-Seokko
dc.contributor.authorKim, Hyoung Manko
dc.date.accessioned2013-03-02T20:38:58Z-
dc.date.available2013-03-02T20:38:58Z-
dc.date.created2012-02-06-
dc.date.created2012-02-06-
dc.date.created2012-02-06-
dc.date.issued1995-12-
dc.identifier.citationBIOPHYSICAL JOURNAL, v.69, no.6, pp.2703 - 2709-
dc.identifier.issn0006-3495-
dc.identifier.urihttp://hdl.handle.net/10203/75421-
dc.description.abstractRecently we reported (Yi et al., 1994) that the alpha a-helical content of the signal peptide of Escherichia coli ribose binding protein, when determined by circular dichroism (CD) and two-dimensional NMR in trifluoroethanol/water solvent, is higher than that of its nonfunctional mutant signal peptide. In the present investigation, the structures of the signal peptides of two revertant ribose binding proteins in the same solvent were also determined with CD and two-dimensional H-1 NMR spectroscopy. According to the CD results, both of these revertant signal peptides showed an intermediate helicity between those of wild-type and mutant signal peptides, the helical content of the revertant peptide with higher recovery of the translocation capability being higher. On the other hand, the alpha-helix regions of the wild-type and the revertant peptides as determined by NMR were shown to be the same. This discrepancy may be due to the difference in stability between identical alpha-helical stretches in wild-type and revertant peptides, A good correlation was observed between the helical content of these four ribose binding protein signal peptides in TFE/water as studied by CD and their in vivo translocation activities. It appears, therefore, that both the proper length of the helix and the stability are of functional significance.-
dc.languageEnglish-
dc.publisherBIOPHYSICAL SOCIETY-
dc.subjectNUCLEAR-MAGNETIC-RESONANCE-
dc.subjectCIRCULAR-DICHROISM-
dc.subjectPROLINE RESIDUES-
dc.subjectH-1-NMR SPECTRA-
dc.subjectALPHA-HELICES-
dc.subjectSPECTROSCOPY-
dc.subjectSTABILITY-
dc.subjectMELITTIN-
dc.subjectPEPTIDES-
dc.subjectMEMBRANE-
dc.titleStructures of revertant signal sequences of Escherichia coli ribose binding protein-
dc.typeArticle-
dc.identifier.wosidA1995TV01800051-
dc.identifier.scopusid2-s2.0-0028793464-
dc.type.rimsART-
dc.citation.volume69-
dc.citation.issue6-
dc.citation.beginningpage2703-
dc.citation.endingpage2709-
dc.citation.publicationnameBIOPHYSICAL JOURNAL-
dc.contributor.localauthorYi, Gwan-Su-
dc.contributor.localauthorChoi, Byong-Seok-
dc.contributor.nonIdAuthorChi, SW-
dc.contributor.nonIdAuthorSuh, JY-
dc.description.isOpenAccessN-
dc.type.journalArticleArticle-
dc.subject.keywordPlusNUCLEAR-MAGNETIC-RESONANCE-
dc.subject.keywordPlusCIRCULAR-DICHROISM-
dc.subject.keywordPlusPROLINE RESIDUES-
dc.subject.keywordPlusH-1-NMR SPECTRA-
dc.subject.keywordPlusALPHA-HELICES-
dc.subject.keywordPlusSPECTROSCOPY-
dc.subject.keywordPlusSTABILITY-
dc.subject.keywordPlusMELITTIN-
dc.subject.keywordPlusPEPTIDES-
dc.subject.keywordPlusMEMBRANE-
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