. Author manuscript; available in PMC: 2009 Jul 8.

Published in final edited form as: Nature. 2008 Nov 23;457(7226):215–218. doi: 10.1038/nature07521

Table 1.

Summary of synthetic promoter libraries.

Library	Building Blocks	Number of Promoters	Number of Parameters Fit	Fraction of Variance Explained (R²)
L1	Mig1, Gcr1, Spacer	429	5	0.49
L1-Test	Same as L1	83	0	0.44
L1-Weak	Same as L1 plus a weak Mig1 site	266	1	0.44
L2	Mig1, Reb1, Rap1, Gcr1 (different from L1)	471	4	0.59
L3	Adr1, Hap2/3/4/5, CSRE, Rgt1	596	6	0.47
L4	Cbf1, Gcn4, Met31/32, Nrg1	381	10	0.54
L5	Msn2/4, Smp1, Xpb1	581	4	0.57