Multicoil2: Predicting Coiled Coils and Their Oligomerization States from Sequence in the Twilight Zone
2011

Multicoil2: Predicting Coiled Coils and Their Oligomerization States

Sample size: 2105 publication Evidence: high

Author Information

Author(s): Trigg Jason, Gutwin Karl, Keating Amy E., Berger Bonnie

Primary Institution: Massachusetts Institute of Technology

Hypothesis

Can we improve the prediction of coiled-coil oligomerization states using a new algorithm?

Conclusion

Multicoil2 significantly enhances the prediction of coiled-coil detection and oligomerization states compared to previous methods.

Supporting Evidence

  • Multicoil2 improves coiled-coil detection over previous algorithms.
  • The new database contains 2,105 sequences with reliable structural annotations.
  • Multicoil2 was tested using stringent leave-family-out cross-validation.

Takeaway

This study introduces a new tool called Multicoil2 that helps scientists predict how certain proteins will twist and group together.

Methodology

The study developed an algorithm that combines pairwise correlations and Hidden Markov Models to predict coiled-coil structures.

Potential Biases

Potential bias exists due to the reliance on training data that may not represent all coiled-coil families accurately.

Limitations

The performance of Multicoil2 varies among different coiled-coil families, and some families may have unique sequence features that affect predictions.

Statistical Information

P-Value

p<0.05

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1371/journal.pone.0023519

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