Center for Cell and Virus Theory, Department of Chemistry, Indiana University, Bloomington, IN 47405, USA. asayyeda@cems.umn.edu <asayyeda@cems.umn.edu>|Center for Cell and Virus Theory, Department of Chemistry, Indiana University, Bloomington, IN 47405, USA. asayyeda@cems.umn.edu <asayyeda@cems.umn.edu>|Center for Cell and Virus Theory, Department of Chemistry, Indiana University, Bloomington, IN 47405, USA. asayyeda@cems.umn.edu <asayyeda@cems.umn.edu>