Patterns and conformations of commonly occurring supersecondary structures (basic motifs) in protein data bank.

@article{Sun1996PatternsAC,
  title={Patterns and conformations of commonly occurring supersecondary structures (basic motifs) in protein data bank.},
  author={Zheng Sun and Bonan Jiang},
  journal={Journal of protein chemistry},
  year={1996},
  volume={15 7},
  pages={
          675-90
        }
}
Short peptides connecting alpha-helices and beta-strands have been analyzed in 240 proteins refined at resolutions of 0.25 nm or better. Connecting peptides of lengths between one and five residues have been classified as part of supersecondary motifs of four types: alpha alpha, alpha beta, beta alpha, and beta beta. Careful consideration has been given to the definition of secondary structures on the basis of hydrogen bonds and main-chain conformational angles. Using five classes of residue… CONTINUE READING

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