PhosCalc: A Tool for Evaluating Peptide Phosphorylation Sites
Author Information
Author(s): Daniel MacLean, Michael A Burrell, David J Studholme, Alexandra M E Jones
Primary Institution: The Sainsbury Laboratory, John Innes Centre
Hypothesis
Can a software tool effectively identify phosphorylation sites on peptides using mass spectrometric data?
Conclusion
PhosCalc is a useful tool for speeding up the identification of phosphorylation sites in proteomics research.
Supporting Evidence
- PhosCalc can analyze up to 100 peptides through a web interface.
- The tool provides a probability score for each potential phosphorylation site.
- PhosCalc has been tested with known phosphopeptides to validate its effectiveness.
Takeaway
PhosCalc helps scientists quickly find where proteins are modified by adding phosphate, which is important for understanding how proteins work.
Methodology
The tool analyzes mass spectrometric data to calculate probabilities for potential phosphorylation sites on peptides.
Limitations
The effectiveness of PhosCalc can be limited by the quality of the mass spectra and the proximity of potential phosphorylation sites.
Statistical Information
P-Value
p < 2.51 × 10-4
Statistical Significance
p < 0.05
Digital Object Identifier (DOI)
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