[a
]School of Molecular Sciences, Arizona State University, Tempe, Arizona, USA. Fax:
+1 (480) 965-2747; Tel: +1 (480) 965-2566
[b
]School of Life Sciences, Arizona State University, Tempe, Arizona, USA
[c
]The Center for Infectious Diseases and Vaccinology, The Biodesign Institute, Arizona
State University, Tempe, Arizona, USA
[d
]Center for Applied Structural Design, The Biodesign Institute, Arizona State University,
Tempe, Arizona, USA