Fig. 3
From: A synthetic microbial biosensor for high-throughput screening of lactam biocatalysts

Engineering of the NitR regulator. a Quantitative analysis of the response of CL-GESS and CL-GESS double mutant (S133P, L117F) to ε-caprolactam. b Quantitative analysis of the response of CL-GESS and CL-GESSL117 variants to ε-caprolactam. c Ligand specificity of mutant CL-GESSL117F. d Homology modeling of CL-GESS and CL-GESSL117F. Values represent means ± SDs of three independent experiments