1. Department of Microbiology, Institute of Biomedical Sciences, University of Sao Paulo, Sao Paulo 05508-000, Brazil
2. Department of Biochemistry, University of Cambridge, Cambridge CB2 1GA, U.K.
3. Key Laboratory of Combinatorial Biosynthesis and Drug Discovery (Ministry of Education), and School of Pharmaceutical Sciences, Wuhan University, Wuhan 430071, China
4. State Key Laboratory of Quantitative Synthetic Biology, Shenzhen Institute of Synthetic Biology, Shenzhen Institute of Advanced Technology, CAS, Shenzhen 518055, China
5. Yusuf Hamied Department of Chemistry, University of Cambridge, Cambridge CB2 1EW, U.K.