1. School of Chemistry; University of Bristol; Bristol BS8 1TS UK
2. BrisSynBio Synthetic Biology Research Centre; University of Bristol; Bristol BS8 1TQ UK
3. School of Biochemistry; University of Bristol; Bristol BS8 1TD UK
4. School of Biology; Newcastle University; Newcastle-upon-Tyne NE1 7RU UK
5. Centre for Synthetic Biology and the Bioeconomy; Newcastle-upon-Tyne NE2 4AX UK