(A) Fluorescence images of GFP (left) and merge with FM4-64 (right) of MurG-GFP (JDB2501) (top) localizing to septa as seen in the merge with FM4-64 membrane dye. MurG(V74E)-GFP (JDB2552) (bottom) signal localizes to septa as seen in the merge with FM4-64 membrane dye.