Data collection and refinement statistics for Mtb BfrB crystals.

Values in parentheses are for the highest resolution shell.†Rmerge = ∑hkl∑i |Ihkl−|/∑hkl∑iIhkl, where Ihkl is the intensity of an individual measurement of the reflection with Miller indices h, k and l and Ihkl> is the mean intensity of redundant measurements of that reflection.‡Rwork = Σhkl |Fo(hkl)−Fc(hkl)|/Σhkl |Fo(hkl)|, where Fo and Fc are observed and calculated structure factors, respectively.§Rfree calculated for a randomly selected subset of reflections (10%) that were omitted during the refinement.