1. Department of Chemistry, Michigan Technological University, Houghton, MI 49931, USA
2. Department of Chemistry, National Institute of Technology, Rourkela, OR 769008, India
3. Department of Microbiology and Molecular Genetics, Michigan State University, East Lansing, MI 48824, USA
4. Department of Biochemistry and Molecular Biology, Michigan State University, East Lansing, MI 48824, USA
5. Department of Chemistry, Michigan State University, East Lansing, MI 48824, USA