s-TEA: Entropy based identification of receptor specific ligand binding residues from a multiple sequence alignment of class A GPCRs
2011

Identifying Ligand Binding Residues in Class A GPCRs

Sample size: 13324 publication Evidence: high

Author Information

Author(s): Sanders Marijn PA, Fleuren Wilco WM, Verhoeven Stefan, van den Beld Sven, Alkema Wynand, de Vlieg Jacob, Klomp Jan PG

Primary Institution: Radboud University Nijmegen Medical Centre

Hypothesis

The ss-TEA method can accurately identify ligand binding residues specific to subfamilies of class A GPCRs.

Conclusion

The ss-TEA method outperforms existing methods in predicting ligand binding residues for class A GPCRs.

Supporting Evidence

  • The ss-TEA method predicted ligand binding residues for 9 out of 10 reference receptors better than existing methods.
  • The study included the largest multiple sequence alignment of class A GPCRs with 13324 sequences.
  • ss-TEA can help in designing site-directed mutagenesis experiments.
  • The method is available online for further research and application.

Takeaway

Scientists created a new method to find where drugs attach to certain proteins, helping to design better medicines.

Methodology

The study used a large multiple sequence alignment of class A GPCRs to develop the ss-TEA method for identifying ligand binding residues.

Potential Biases

Potential bias due to reliance on existing sequence data and the selection of reference receptors.

Limitations

The method may not be applicable to all GPCR subfamilies or to receptors with insufficient sequence data.

Digital Object Identifier (DOI)

10.1186/1471-2105-12-332

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