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The E. coli single‐stranded DNA‐binding protein (SSB) binds to the fork DNA helicases RecG and PriA in vitro. Typically for binding to occur, 1.3 m ammonium sulfate must be present, bringing into question the validity of these results as these are nonphysiological conditions. To determine whether SSB can bind to these helicases, we examined binding in vivo. First, using fluorescence microscopy, we...