A computational strategy for protein function assignment which addresses the multidomain problem
2002

A Method for Assigning Functions to Proteins

Sample size: 6692 publication 10 minutes Evidence: moderate

Author Information

Author(s): A. J. Perez, A. Rodriguez, O. Trelles, G. Thode

Primary Institution: University of Malaga

Hypothesis

Can a computational strategy improve the assignment of functions to multidomain proteins?

Conclusion

The proposed method effectively assigns functions to proteins, especially those without clear homologues, by utilizing information from the SWISS-PROT database.

Supporting Evidence

  • The method shows improved sensitivity and specificity in function prediction compared to traditional methods.
  • Exhaustive tests reveal the method's ability to identify previously unknown protein functions.
  • The approach effectively addresses the multidomain problem by using positional information from the SWISS-PROT database.

Takeaway

This study presents a new way to figure out what proteins do, even if they don't look like any proteins we already know about.

Methodology

The method involves analyzing query sequences to find significant amino acid patterns and correlating them with functional annotations from the SWISS-PROT database.

Potential Biases

Potential bias in functional assignment due to reliance on existing database annotations.

Limitations

The method may struggle with proteins that have very low sequence similarity to known proteins.

Statistical Information

P-Value

p<0.05

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1002/cfg.208

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