PseAAC

PseAAC converts protein sequences into numeric vectors that encode amino acid composition together with sequence-order information for input to pattern-recognition algorithms in computational proteomics.


Key Features:

  • Sequence-order encoding: Retains sequence-order information within the pseudo amino acid composition representation.
  • Multiple PseAAC variants: Provides various kinds of pseudo amino acid compositions to accommodate different representation choices.
  • Numeric vector output: Produces numeric vectors suitable for input to pattern-recognition algorithms.
  • Extension of amino acid composition: Extends conventional amino acid composition models by incorporating sequence-order information for a more nuanced protein representation.

Scientific Applications:

  • Protein function annotation: Enhances prediction and annotation of protein function by supplying richer sequence representations.
  • Structure prediction: Aids protein structure prediction by enriching sequence-derived feature sets.
  • Interaction studies: Supports interaction studies by improving feature representation for interaction-related predictions.
  • Computational proteomics: Applicable across branches of computational proteomics to improve predictive quality for various protein attributes.

Methodology:

Convert a protein sequence into a digital vector that encodes amino acid composition and sequence-order information (pseudo amino acid composition) for use by pattern-recognition algorithms.

Topics

Collections

Details

Tool Type:
web application
Operating Systems:
Linux, Windows, Mac
Added:
8/3/2017
Last Updated:
11/25/2024

Operations

Data Inputs & Outputs

Prediction and recognition

Other operations do not define inputs or outputs.

Publications

Shen H, Chou K. PseAAC: A flexible web server for generating various kinds of protein pseudo amino acid composition. Analytical Biochemistry. 2008;373(2):386-388. doi:10.1016/j.ab.2007.10.012. PMID:17976365.

Documentation

Links