Peter Cock, Tiago Antão, Jeffrey T. Chang, Brad Chapman, Cymon J. Cox, Andrew Dalke, Iddo Friedberg, Thomas Hamelryck, Frank Kauff, Bartek Wilczyński, Michiel de Hoon (2009). Biopython: freely available Python tools for computational molecular biology and bioinformatics. Bioinformatics. https://doi.org/10.1093/bioinformatics/btp163