Secondary-structure dependent chemical shifts in proteins.

@article{Williamson1990SecondarystructureDC,
  title={Secondary-structure dependent chemical shifts in proteins.},
  author={Michael P Williamson},
  journal={Biopolymers},
  year={1990},
  volume={29 10-11},
  pages={1423-31}
}
Chemical shift data have been collected on eight proteins that have the same conformation in solution as in their crystal structures. Ring-current shifts have been calculated and subtracted from the exerimentally measured shifts, to leave shifts that depend only on local conformation. Overall, the shifts show an approximately normal distribution with no appreciable skewness, thus confirming that ring-current shifts have the overall effect of skewing the distribution to high field. In helices… CONTINUE READING

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