Hinge Atlas: Linking Protein Sequence to Structural Flexibility
Author Information
Author(s): Samuel C. Flores, Lu Long, Julie Yang, Nicholas Carriero, Mark B. Gerstein
Primary Institution: Yale University
Hypothesis
Can protein sequence features be correlated with structural hinge locations?
Conclusion
The study found that certain amino acids, particularly glycine and serine, are more likely to occur in hinge regions, while others like phenylalanine and leucine are less common.
Supporting Evidence
- Glycine and serine are overrepresented in hinge regions.
- Phenylalanine, valine, alanine, and leucine are underrepresented in hinges.
- Hinge residues are more likely to be found near active sites.
Takeaway
This study shows that some proteins have flexible parts called hinges, and certain tiny building blocks (amino acids) are more likely to be found in those flexible parts.
Methodology
The study created a Hinge Atlas by manually annotating hinge locations in protein sequences and analyzing their statistical properties.
Potential Biases
Potential biases in the dataset could affect the generalizability of the findings.
Limitations
The hinge predictions may not be universally applicable across all proteins due to variability in structure and function.
Statistical Information
P-Value
1ยท10-6
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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