Name	Genotype
Escherichia coli Y4-3	∆hpt
Escherichia coli Y5-1	∆guaB
Escherichia coli Y5-2	rph::PapFAB104-EsaR
Escherichia coli Y5-3	yghe::PesaS-guaB
Escherichia coli Y5-4A	ycdn:: PBBa_j 23114esaI
Escherichia coli Y5-4B	ycdn:: PBBa_j 23110esaI
Escherichia coli Y5-4C	ycdn:: PBBa_j 23101esaI
Escherichia coli Y5-4D	ycdn:: PBBa_j 23100esaI
Escherichia coli Y6	yjip::Ptrc-pur(FDNTSQLMKECB)
Escherichia coli Y6-1	yeel::Ptrc- glnABsL159I, E304A
Escherichia coli Y6-2	yjgx::Plac-aspC
Escherichia coli Y6-3	∆thrA
Escherichia coli Y6-4	ynci:: PBBa_j 23109-thrA
Escherichia coli Y6-5	ynci:: PBBa_j 23114-thrA
Escherichia coli Y6-6	ynci:: PBBa_j 23105-thrA
Escherichia coli Y6-7	ynci:: PBBa_j 23110-thrA