1. Department of Chemistry and Biochemistry, University of Oklahoma, Norman, OK 73019, USA.
2. Laboratories of Molecular Anthropology and Microbiome Research, University of Oklahoma, Norman, OK 73019, USA.
3. Department of Microbiology and Plant Biology, University of Oklahoma, Norman, OK 73019, USA.
4. Skaggs School of Pharmacy and Pharmaceutical Sciences, University of California San Diego, La Jolla, CA 92093, USA.
5. Department of Biology, University of Oklahoma, Norman, OK 73019, USA.
6. College of Chemistry, Beijing Normal University, Beijing 100875, China.