Structural composition of betaI- and betaII-proteins.

  title={Structural composition of betaI- and betaII-proteins.},
  author={Narasimha Sreerama and Robert W. Woody},
  journal={Protein science : a publication of the Protein Society},
  volume={12 2},
Circular dichroism spectra of proteins are sensitive to protein secondary structure. The CD spectra of alpha-rich proteins are similar to those of model alpha-helices, but beta-rich proteins exhibit CD spectra that are reminiscent of CD spectra of either model beta-sheets or unordered polypeptides. The existence of these two types of CD spectra for beta-rich proteins form the basis for their classification as betaI- and betaII-proteins. Although the conformation of beta-sheets is largely… CONTINUE READING

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