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Discrimination between an Antiparallel and a Parallel β^5.6^‐Helix Using ^1^H^α^‐NMR Spin‐Lattice Relaxation by Gian Paolo Lorenzi; Lera Tomasic; Felix Bangerter; Peter Neuenschwander; Benedetto Di Blasio is a Chemistry article available to read on EtoBox.
What is Discrimination between an Antiparallel and a Parallel β^5.6^‐Helix Using ^1^H^α^‐NMR Spin‐Lattice Relaxation about?
The 'H-NMR spectrum of Boc-(L-Val-D-Val),-OH in CDCI, can be attributed either to an antiparallel or to a parallel double-stranded ~s.6-helical structure. To resolve this ambiguity, T,-measurements have been carried out for the a-protons of Boc-(L-Val-D-Val),-OH and its monodeuterated analogue Boc-(L-Val-D-Val),-a -2H-L-Val-D-Val-L-Val-D-Val-OH. The results show that the H" of the fifth residue in one strand is close to the H" of the seventh residue in the other strand, as expected for an antiparallel arrangement, a conclusive demonstration that the correct structure of Boc-(L-Val-D-Val),-OH is antiparallel.
Who reads Discrimination between an Antiparallel and a Parallel β^5.6^‐Helix Using ^1^H^α^‐NMR Spin‐Lattice Relaxation?
It is typically read by researchers, students, and practitioners in Chemistry.
- Author
- Gian Paolo Lorenzi; Lera Tomasic; Felix Bangerter; Peter Neuenschwander; Benedetto Di Blasio
- Publisher
- John Wiley and Sons; Wiley (John Wiley & Sons); Wiley-Blackwell; Wiley (ISSN 0018-019X)
- Published
- 1983
- Language
- EN
- Field
- Chemistry (Physical Sciences)