The peptX software can be downloaded for free for academic researchers only. Although the authors developed the software to the best of their knowledge they are not responsible for the correctness and/or any damage caused by the software. Researches that use peptX for their publications are requested to cite: B. Knapp, V. Giczi, R. Ribarics, and W. Schreiner. PeptX: Using Genetic Algorithms to optimize peptides for MHC binding.