DNA Multiple Sequence Alignment Guided by Protein Domains: The MSA-PAD 2.0 Method
Multiple sequence alignment (MSA) is a fundamental component in many DNA sequence analyses including metagenomics studies and phylogeny inference. When guided by protein profiles, DNA multiple alignments assume a higher precision and robustness. Here we present details of the use of the upgraded version of MSA-PAD (2.0), which is a DNA multiple sequence alignment framework able to align DNA sequences coding for single/multiple protein domains guided by PFAM or user-defined annotations. MSA-PAD has two alignment strategies, called “Gene” and “Genome,” accounting for coding domains order and genomic rearrangements, respectively. Novel options were added to the present version, where the MSA can be guided by protein profiles provided by the user. This allows MSA-PAD 2.0 to run faster and to add custom protein profiles sometimes not present in PFAM database according to the user’s interest. MSA-PAD 2.0 is currently freely available as a Web application at https://recasgateway.cloud.ba.infn.it/.
Key wordsGenomic rearrangement Multiple sequence alignment Conserved protein domains Phylogeny Sequence assignment
This work was supported by the Italian nodes of Lifewatch and ELIXIR Research Infrastructures.
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