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Predicting coiled-coil regions in proteins

A Lupas1

  • 1Max-Planck-Institut für Biochemie, Martinsried, Germany. lupas@vms.biochem.mpg.de

Current Opinion in Structural Biology
|June 1, 1997
PubMed
Summary
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Recent advances enable accurate prediction and modeling of coiled coil protein structures from sequences. New computational methods distinguish coiled coil types and model core residues, with confirmed predictions for key proteins.

Area of Science:

  • Structural bioinformatics
  • Computational biology
  • Protein structure prediction

Background:

  • Coiled coils are common protein structural motifs.
  • Predicting and modeling coiled coils from amino acid sequences is challenging.
  • Recent years have seen progress in computational approaches.

Purpose of the Study:

  • To summarize advances in recognizing and modeling coiled coil protein structures.
  • To highlight new computational methods for coiled coil analysis.
  • To discuss confirmed and novel coiled coil predictions.

Main Methods:

  • Development of a detection program using pairwise residue correlations.
  • A program to differentiate two-stranded from three-stranded coiled coils.
  • A routine for modeling core residue coordinates in coiled coils.

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Main Results:

  • Several widely noted predictions, including for heterotrimeric G proteins and cartilage oligomeric matrix protein, have been validated by crystal structures.
  • New predictions have been generated, including a model for a hypothetical right-handed coiled coil.
  • Advances facilitate more accurate protein structure modeling.

Conclusions:

  • Computational methods have significantly improved the ability to predict and model coiled coil structures.
  • Validated predictions and new models advance our understanding of protein architecture.
  • These tools are valuable for structural biology and drug discovery.