1. Department of Microbiology and ImmunologyUniversity of Michigan Medical SchoolAnn Arbor MI 48109 USA
2. Department of Food SciencePennsylvania State University, University Park PA 16802 USA
3. Life Sciences Collaborative Access Team (LS‐CAT), Advanced Photon SourceArgonne National Laboratory, 9700 S. Cass AvenueArgonne IL60439 USA
4. Architecture et Fonction des Macromolécules Biologiques, CNRS, Aix‐Marseille UniversityMarseille F‐13288 France
5. Institut National de la Recherche Agronomique, USC1408 Architecture et Fonction des Macromolécules BiologiquesMarseilleF‐13288 France
6. Department of Biological SciencesKing Abdulaziz UniversityJeddah21589 Saudi Arabia