β-lactamase assay on non filtered and filtered libraries. In the chart, the mean activity value of 45-48 clones for each ampicillin concentration in 3 replicate plates is represented. Data collected at 6 h incubation time-point for Sec, SRP, and TAT libraries are shown.
D'Angelo et al. BMC Genomics 2011 12(Suppl 1):S5 doi:10.1186/1471-2164-12-S1-S5