PPCMatrix

PPCMatrix performs dotmatrix-based comparisons of DNA and protein sequences using nested 3-frame translations to identify homologous and coding regions.


Key Features:

  • Nested 3-frame translations: Translates nucleotide sequences in nested three-frame translations to enable DNA-to-protein comparisons.
  • DNA-to-DNA and DNA-to-protein comparisons: Supports both nucleotide–nucleotide and nucleotide–protein comparisons to detect coding regions and sequence similarity.
  • Dotmatrix visualization: Employs a dotmatrix approach to visualize sequence alignments and highlight similarities and differences.
  • Detection of homologous regions and mutations: Visualizes alignments to facilitate identification of homologous regions and potential mutations.

Scientific Applications:

  • Gene Prediction: Predicts coding regions within genomic sequences by comparing nucleotide sequences to protein sequences.
  • Evolutionary Biology: Facilitates comparative analyses of DNA and protein sequences across species to study evolutionary relationships.
  • Functional Genomics: Identifies conserved protein domains and sequence conservation to infer functional aspects of genes and proteins.

Methodology:

Uses a dotmatrix approach combined with nested 3-frame translations to perform DNA-to-DNA and DNA-to-protein comparisons and visualize sequence alignments.

Topics

Details

Tool Type:
desktop application
Operating Systems:
Mac
Added:
8/3/2017
Last Updated:
11/25/2024

Operations

Publications

Burglin T. PPCMatrix: a PowerPC dotmatrix program to compare large genomic sequences against protein sequences. Bioinformatics. 1998;14(8):751-752. doi:10.1093/oxfordjournals.bioinformatics.a011055. PMID:9789102.

Documentation

Links