1 Department of Biosciences, COMSATS University Islamabad, Islamabad, Pakistan.
2 Theoretical Biology and Biophysics, Los Alamos National Laboratory, Los Alamos, NM, United States.
3 Evolutionary Bioinformatics Laboratory Department of Crop Sciences, University of Illinois at Urbana-Champaign, Urbana, IL, United States.
4 Aix Marseille University, CNRS, IGS, Structural and Genomic Information Laboratory (UMR7256), Mediterranean Institute of Microbiology (FR3479), Marseille, France.