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Systematic application of two-dimensional h-1-NMR techniques for studies of proteins .1. Combined use of spin-echo-correlated spectroscopy and j-resolved spectroscopy for the identification of complete spin systems of non-labile protons in amino-acid-residues

Academic Article
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Overview

authors

  • Nagayama, K.
  • Wuthrich, Kurt

publication date

  • 1981

journal

  • European Journal of Biochemistry  Journal

abstract

  • This and the following paper describe the practical application of recently developed, two-dimensional nuclear magnetic resonance techniques for studies of proteins. In the present report spin-echo-correlated spectroscopy and two-dimensional J-resolved spectroscopy are used to identify complete spin systems of non-labile, aliphatic protons in the basic pancreatic trypsin inhibitor. Overall, 41 out of the 58 aliphatic spin systems in this protein were identified; for the first time the spin systems of all the glycyl residues in a protein have been identified in the 1H NMR spectrum. Combined with the following paper, the present data yield new individual assignments for numerous amino acid residues and provide a new avenue, based on accurate measurements of spin-spin coupling constants in the two-dimensional J-resolved spectra, for studying changes of static and dynamic aspects of protein conformation between single crystals and solution, or between different conditions of solvent and temperature.

subject areas

  • Amino Acids
  • Animals
  • Aprotinin
  • Electron Spin Resonance Spectroscopy
  • Magnetic Resonance Spectroscopy
  • Protein Conformation
  • Proteins
  • Spin Labels
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Identity

International Standard Serial Number (ISSN)

  • 0014-2956

Digital Object Identifier (DOI)

  • 10.1111/j.1432-1033.1981.tb05156.x

PubMed ID

  • 6163630
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Additional Document Info

start page

  • 365

end page

  • 374

volume

  • 114

issue

  • 2

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