pepwheel

pepwheel generates helical wheel diagrams from protein sequences to visualize the spatial arrangement of amino acids on an alpha-helix for analysis of amphipathic properties and structural features.

Key Features:

• Helical wheel diagram generation: Produces helical wheel diagrams from protein sequences representing residue positions around an alpha-helix.
• EMBOSS integration: Implemented as an application within the European Molecular Biology Open Software Suite (EMBOSS).
• EMBOSS C libraries: Uses the EMBOSS C programming libraries for computational operations.
• Visualization of residue arrangement: Visualizes spatial arrangement of amino acids to reveal amphipathic patterns on helices.
• Extensibility via ACD files: Supports customization through Application Configuration Descriptor (ACD) files.

Scientific Applications:

• Amphipathicity analysis: Assessment of hydrophobic and hydrophilic faces of alpha-helices to characterize amphipathic properties.
• Prediction of interactions and stability: Support for predicting protein interactions, stability, and functional implications from helical residue patterns.
• Identification of binding sites: Inference of potential binding sites and other structural characteristics from residue distributions on the helix.

Methodology:

pepwheel utilizes the EMBOSS C programming libraries for computation and supports customization via Application Configuration Descriptor (ACD) files.