Purpose: SNAP calculates synonymous and non-synonymous substitution rates based on a set of codon-aligned nucleotide sequences.
Details: Please read the Readme file before using this program! You can also download the Perl version of SNAP and process your data on your local machine.
References: If you use SNAP in a paper, please reference both the HIV database website (www.hiv.lanl.gov) and the following paper. You may also need to reference other papers cited in the Readme file.
Alternatives: An excellent suite of tools for studying natural selection can be found on Datamonkey (http://www.datamonkey.org/).
Release Notes: For details on releases click here.
Known Bugs: For known bugs click here.
Wish List: For desired new features click here.