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December 1, 1983BiopolymersOpen Access

Dictionary of protein secondary structure: Pattern recognition of hydrogen‐bonded and geometrical features

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Authors

WKWolfgang KabschMax Planck Institute for Medical ResearchCSChristian SanderUniversity Hospital Leipzig

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Implication

Computational study establishes standardized secondary structure definitions across 62 globular proteins, indicating broad utility for automated protein structure prediction.

Key Points

  • Establish an unambiguous, physically motivated, and automated pattern-recognition method to define secondary structure and solvent exposure directly from protein atomic coordinates.
  • Developed a pattern-recognition algorithm to identify hydrogen-bonding patterns (turns and bridges) and geometric features (torsion, curvature, and chirality) from X-ray coordinates.
  • Calculated residue solvent exposure as the theoretical number of water molecules in contact with each amino acid.
  • Applied the standardized definitions across a dataset of 62 globular proteins containing 10,925 total residues.
  • Systematically classified secondary structure elements into repeating turns (helices), repeating bridges (ladders and sheets), and curved regions (bends).
  • Generated a comprehensive linear and computer-readable database detailing primary structure, disulfide bonds, secondary structure, and solvent exposure for all 10,925 residues.

Cite This Study

Kabsch et al. (1983) studied this question.

synapsesocial.com/papers/69d6b5abf174babf6cab33bchttps://doi.org/10.1002/bip.360221211
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