The BAM complex is assisted by periplasmic chaperones, such as SurA, in its folding and insertion of proteins into the bacterial outer membrane. Here, the authors use disulphide bond engineering to trap transient protein complexes and solve their cryoEM structures to shed light on the cycle of SurA arrival, OMP delivery, and handover to BAM.
- Katherine L. Fenn
- Jim E. Horne
- Neil A. Ranson
