FIG 4.
YlxM affects the GTPase activity of SRP components. An endpoint colorimetric assay was used to detect the amount of inorganic phosphate (Pi) released upon hydrolysis of GTP to GDP after 1 h by Ffh and/or FtsY in the presence of YlxM and/or scRNA. Assays were performed in triplicate. Significant differences were determined by two-way ANOVA. * indicates a significant increase in activity, and # indicates a significant decrease in activity (P < 0.01).