Convert amino acid sequences aacording to the Seefeld convention [1] to the PHI-BLAST nomenclature [2] (and back).
[1] Aasland et al. 2002, FEBS Lett 513:141–144
[2] ExPASy.ch: Scan Prosite tool manual — Advanced Scan mode (Settings). http://www.expasy.ch/tools/scanprosite/scanprosite-doc.html. Version: 2009. – (Online; 17. January 2009)