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[New program PSI protein classifier automatizes the PSI-BLAST results analysis].
Molekuliarnaia Biologiia
|October 8, 2009
Summary
PSI Protein Classifier summarizes PSI-BLAST results, revealing evolutionary links among glycoside hydrolase families. This tool aids in classifying protein families like GH31 into detailed subfamilies.
Area of Science:
- Biochemistry
- Bioinformatics
- Evolutionary Biology
Context:
- Iterative protein sequence screening is crucial for understanding protein evolution and function.
- PSI-BLAST is a widely used tool for detecting remote homology.
- Classifying proteins into families and subfamilies aids in functional annotation and drug discovery.
Purpose:
- To introduce PSI Protein Classifier, a novel program for summarizing PSI-BLAST results.
- To demonstrate the program's technical capabilities and applications.
- To facilitate the discovery of evolutionary relationships among protein families.
Summary:
- PSI Protein Classifier processes PSI-BLAST iterations to identify evolutionary connections between protein families.
- The program was applied to analyze glycoside hydrolase families (GH5, GH13, GH27, GH31, GH36, GH66, GH101, GH114).
- Analysis revealed 38 distinct subfamilies within the GH31 family based on significant sequence similarity (E-value).
Impact:
- Enables more efficient and accurate summarization of PSI-BLAST outputs.
- Expands the understanding of evolutionary relationships within glycoside hydrolase families.
- Provides a refined classification system for the GH31 family, aiding further research.
