Extended Data Fig. 2: Cryo-EM data processing summary.
From: An oligopeptide permease, OppABCD, requires an iron–sulfur cluster domain for functionality

a-d, Flow chart of data processing for particles of OppABCD, OppAW491ABCD, OppABCDE-D-AMPPNP-Mg2+, and OppABCDE-D-ATP-Mg2+, respectively. e-h, Map-to-model FSC plot and two viewing angles of model fit to map.